* installing *source* package ‘mlpack’ ... ** this is package ‘mlpack’ version ‘4.6.0’ ** using staged installation ** libs using C++ compiler: ‘Debian clang version 19.1.7 (3)’ using C++17 clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c RcppExports.cpp -o RcppExports.o In file included from RcppExports.cpp:4: In file included from ./../inst/include/mlpack.h:52: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from RcppExports.cpp:4: In file included from ./../inst/include/mlpack.h:52: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from RcppExports.cpp:4: In file included from ./../inst/include/mlpack.h:52: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c adaboost.cpp -o adaboost.o In file included from adaboost.cpp:9: In file included from ../inst/include/mlpack/methods/adaboost/adaboost_main.cpp:34: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from adaboost.cpp:9: In file included from ../inst/include/mlpack/methods/adaboost/adaboost_main.cpp:34: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from adaboost.cpp:9: In file included from ../inst/include/mlpack/methods/adaboost/adaboost_main.cpp:34: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c approx_kfn.cpp -o approx_kfn.o In file included from approx_kfn.cpp:9: In file included from ../inst/include/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from approx_kfn.cpp:9: In file included from ../inst/include/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from approx_kfn.cpp:9: In file included from ../inst/include/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c bayesian_linear_regression.cpp -o bayesian_linear_regression.o In file included from bayesian_linear_regression.cpp:9: In file included from ../inst/include/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from bayesian_linear_regression.cpp:9: In file included from ../inst/include/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from bayesian_linear_regression.cpp:9: In file included from ../inst/include/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c cf.cpp -o cf.o In file included from cf.cpp:9: In file included from ../inst/include/mlpack/methods/cf/cf_main.cpp:19: In file included from ../inst/include/mlpack/methods/cf/cf.hpp:22: In file included from ../inst/include/mlpack/methods/amf/amf.hpp:23: In file included from ../inst/include/mlpack/methods/amf/update_rules/update_rules.hpp:18: ../inst/include/mlpack/methods/amf/update_rules/svd_batch_learning.hpp:210:16: warning: unused variable 'm' [-Wunused-variable] 210 | const size_t m = (size_t) V.n_cols; | ^ ../inst/include/mlpack/methods/amf/update_rules/svd_batch_learning.hpp:264:16: warning: unused variable 'n' [-Wunused-variable] 264 | const size_t n = (size_t) V.n_rows; | ^ In file included from cf.cpp:9: In file included from ../inst/include/mlpack/methods/cf/cf_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from cf.cpp:9: In file included from ../inst/include/mlpack/methods/cf/cf_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from cf.cpp:9: In file included from ../inst/include/mlpack/methods/cf/cf_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 57 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c dbscan.cpp -o dbscan.o In file included from dbscan.cpp:9: In file included from ../inst/include/mlpack/methods/dbscan/dbscan_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from dbscan.cpp:9: In file included from ../inst/include/mlpack/methods/dbscan/dbscan_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from dbscan.cpp:9: In file included from ../inst/include/mlpack/methods/dbscan/dbscan_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c decision_tree.cpp -o decision_tree.o In file included from decision_tree.cpp:9: In file included from ../inst/include/mlpack/methods/decision_tree/decision_tree_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from decision_tree.cpp:9: In file included from ../inst/include/mlpack/methods/decision_tree/decision_tree_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from decision_tree.cpp:9: In file included from ../inst/include/mlpack/methods/decision_tree/decision_tree_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c det.cpp -o det.o In file included from det.cpp:9: In file included from ../inst/include/mlpack/methods/det/det_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from det.cpp:9: In file included from ../inst/include/mlpack/methods/det/det_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from det.cpp:9: In file included from ../inst/include/mlpack/methods/det/det_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c emst.cpp -o emst.o In file included from emst.cpp:9: In file included from ../inst/include/mlpack/methods/emst/emst_main.cpp:27: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from emst.cpp:9: In file included from ../inst/include/mlpack/methods/emst/emst_main.cpp:27: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from emst.cpp:9: In file included from ../inst/include/mlpack/methods/emst/emst_main.cpp:27: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c fastmks.cpp -o fastmks.o In file included from fastmks.cpp:9: In file included from ../inst/include/mlpack/methods/fastmks/fastmks_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from fastmks.cpp:9: In file included from ../inst/include/mlpack/methods/fastmks/fastmks_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from fastmks.cpp:9: In file included from ../inst/include/mlpack/methods/fastmks/fastmks_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c gmm_generate.cpp -o gmm_generate.o In file included from gmm_generate.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_generate_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from gmm_generate.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_generate_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from gmm_generate.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_generate_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c gmm_probability.cpp -o gmm_probability.o In file included from gmm_probability.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_probability_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from gmm_probability.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_probability_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from gmm_probability.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_probability_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c gmm_train.cpp -o gmm_train.o In file included from gmm_train.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_train_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from gmm_train.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_train_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from gmm_train.cpp:9: In file included from ../inst/include/mlpack/methods/gmm/gmm_train_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c hmm_generate.cpp -o hmm_generate.o In file included from hmm_generate.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_generate_main.cpp:14: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_generate.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_generate_main.cpp:14: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_generate.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_generate_main.cpp:14: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c hmm_loglik.cpp -o hmm_loglik.o In file included from hmm_loglik.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_loglik_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_loglik.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_loglik_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_loglik.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_loglik_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c hmm_train.cpp -o hmm_train.o In file included from hmm_train.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_train_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_train.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_train_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_train.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_train_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c hmm_viterbi.cpp -o hmm_viterbi.o In file included from hmm_viterbi.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_viterbi_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_viterbi.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_viterbi_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hmm_viterbi.cpp:9: In file included from ../inst/include/mlpack/methods/hmm/hmm_viterbi_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c hoeffding_tree.cpp -o hoeffding_tree.o In file included from hoeffding_tree.cpp:9: In file included from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:19: In file included from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree.hpp:573: ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:1145:7: warning: misleading indentation; statement is not part of the previous 'else' [-Wmisleading-indentation] 1145 | ar(CEREAL_VECTOR_POINTER(children)); | ^ ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:1141:5: note: previous statement is here 1141 | else | ^ In file included from hoeffding_tree.cpp:9: In file included from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hoeffding_tree.cpp:9: In file included from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from hoeffding_tree.cpp:9: In file included from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 56 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c kde.cpp -o kde.o In file included from kde.cpp:9: In file included from ../inst/include/mlpack/methods/kde/kde_main.cpp:20: ../inst/include/mlpack/methods/kde/kde_model.hpp:37:42: warning: extra ';' inside a class [-Wextra-semi] 37 | HAS_MEM_FUNC(Normalizer, HasNormalizer); | ^ In file included from kde.cpp:9: In file included from ../inst/include/mlpack/methods/kde/kde_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kde.cpp:9: In file included from ../inst/include/mlpack/methods/kde/kde_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kde.cpp:9: In file included from ../inst/include/mlpack/methods/kde/kde_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 56 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c kernel_pca.cpp -o kernel_pca.o In file included from kernel_pca.cpp:9: In file included from ../inst/include/mlpack/methods/kernel_pca/kernel_pca_main.cpp:18: In file included from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree.hpp:573: ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:1145:7: warning: misleading indentation; statement is not part of the previous 'else' [-Wmisleading-indentation] 1145 | ar(CEREAL_VECTOR_POINTER(children)); | ^ ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:1141:5: note: previous statement is here 1141 | else | ^ In file included from kernel_pca.cpp:9: In file included from ../inst/include/mlpack/methods/kernel_pca/kernel_pca_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel_pca.cpp:9: In file included from ../inst/include/mlpack/methods/kernel_pca/kernel_pca_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel_pca.cpp:9: In file included from ../inst/include/mlpack/methods/kernel_pca/kernel_pca_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 56 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c kfn.cpp -o kfn.o In file included from kfn.cpp:9: In file included from ../inst/include/mlpack/methods/neighbor_search/kfn_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kfn.cpp:9: In file included from ../inst/include/mlpack/methods/neighbor_search/kfn_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kfn.cpp:9: In file included from ../inst/include/mlpack/methods/neighbor_search/kfn_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c kmeans.cpp -o kmeans.o In file included from kmeans.cpp:9: In file included from ../inst/include/mlpack/methods/kmeans/kmeans_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kmeans.cpp:9: In file included from ../inst/include/mlpack/methods/kmeans/kmeans_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kmeans.cpp:9: In file included from ../inst/include/mlpack/methods/kmeans/kmeans_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c knn.cpp -o knn.o In file included from knn.cpp:9: In file included from ../inst/include/mlpack/methods/neighbor_search/knn_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from knn.cpp:9: In file included from ../inst/include/mlpack/methods/neighbor_search/knn_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from knn.cpp:9: In file included from ../inst/include/mlpack/methods/neighbor_search/knn_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c krann.cpp -o krann.o In file included from krann.cpp:9: In file included from ../inst/include/mlpack/methods/rann/krann_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from krann.cpp:9: In file included from ../inst/include/mlpack/methods/rann/krann_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from krann.cpp:9: In file included from ../inst/include/mlpack/methods/rann/krann_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c lars.cpp -o lars.o In file included from lars.cpp:9: In file included from ../inst/include/mlpack/methods/lars/lars_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from lars.cpp:9: In file included from ../inst/include/mlpack/methods/lars/lars_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from lars.cpp:9: In file included from ../inst/include/mlpack/methods/lars/lars_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c linear_regression.cpp -o linear_regression.o In file included from linear_regression.cpp:9: In file included from ../inst/include/mlpack/methods/linear_regression/linear_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from linear_regression.cpp:9: In file included from ../inst/include/mlpack/methods/linear_regression/linear_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from linear_regression.cpp:9: In file included from ../inst/include/mlpack/methods/linear_regression/linear_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c linear_svm.cpp -o linear_svm.o In file included from linear_svm.cpp:9: In file included from ../inst/include/mlpack/methods/linear_svm/linear_svm_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from linear_svm.cpp:9: In file included from ../inst/include/mlpack/methods/linear_svm/linear_svm_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from linear_svm.cpp:9: In file included from ../inst/include/mlpack/methods/linear_svm/linear_svm_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c lmnn.cpp -o lmnn.o In file included from lmnn.cpp:9: In file included from ../inst/include/mlpack/methods/lmnn/lmnn_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from lmnn.cpp:9: In file included from ../inst/include/mlpack/methods/lmnn/lmnn_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from lmnn.cpp:9: In file included from ../inst/include/mlpack/methods/lmnn/lmnn_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c local_coordinate_coding.cpp -o local_coordinate_coding.o In file included from local_coordinate_coding.cpp:9: In file included from ../inst/include/mlpack/methods/local_coordinate_coding/local_coordinate_coding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from local_coordinate_coding.cpp:9: In file included from ../inst/include/mlpack/methods/local_coordinate_coding/local_coordinate_coding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from local_coordinate_coding.cpp:9: In file included from ../inst/include/mlpack/methods/local_coordinate_coding/local_coordinate_coding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c logistic_regression.cpp -o logistic_regression.o In file included from logistic_regression.cpp:9: In file included from ../inst/include/mlpack/methods/logistic_regression/logistic_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from logistic_regression.cpp:9: In file included from ../inst/include/mlpack/methods/logistic_regression/logistic_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from logistic_regression.cpp:9: In file included from ../inst/include/mlpack/methods/logistic_regression/logistic_regression_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c lsh.cpp -o lsh.o In file included from lsh.cpp:9: In file included from ../inst/include/mlpack/methods/lsh/lsh_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from lsh.cpp:9: In file included from ../inst/include/mlpack/methods/lsh/lsh_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from lsh.cpp:9: In file included from ../inst/include/mlpack/methods/lsh/lsh_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c mean_shift.cpp -o mean_shift.o In file included from mean_shift.cpp:9: In file included from ../inst/include/mlpack/methods/mean_shift/mean_shift_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from mean_shift.cpp:9: In file included from ../inst/include/mlpack/methods/mean_shift/mean_shift_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from mean_shift.cpp:9: In file included from ../inst/include/mlpack/methods/mean_shift/mean_shift_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c nbc.cpp -o nbc.o In file included from nbc.cpp:9: In file included from ../inst/include/mlpack/methods/naive_bayes/nbc_main.cpp:15: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from nbc.cpp:9: In file included from ../inst/include/mlpack/methods/naive_bayes/nbc_main.cpp:15: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from nbc.cpp:9: In file included from ../inst/include/mlpack/methods/naive_bayes/nbc_main.cpp:15: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c nca.cpp -o nca.o In file included from nca.cpp:9: In file included from ../inst/include/mlpack/methods/nca/nca_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from nca.cpp:9: In file included from ../inst/include/mlpack/methods/nca/nca_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from nca.cpp:9: In file included from ../inst/include/mlpack/methods/nca/nca_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c nmf.cpp -o nmf.o In file included from nmf.cpp:9: In file included from ../inst/include/mlpack/methods/nmf/nmf_main.cpp:19: In file included from ../inst/include/mlpack/methods/amf/amf.hpp:23: In file included from ../inst/include/mlpack/methods/amf/update_rules/update_rules.hpp:18: ../inst/include/mlpack/methods/amf/update_rules/svd_batch_learning.hpp:210:16: warning: unused variable 'm' [-Wunused-variable] 210 | const size_t m = (size_t) V.n_cols; | ^ ../inst/include/mlpack/methods/amf/update_rules/svd_batch_learning.hpp:264:16: warning: unused variable 'n' [-Wunused-variable] 264 | const size_t n = (size_t) V.n_rows; | ^ In file included from nmf.cpp:9: In file included from ../inst/include/mlpack/methods/nmf/nmf_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from nmf.cpp:9: In file included from ../inst/include/mlpack/methods/nmf/nmf_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from nmf.cpp:9: In file included from ../inst/include/mlpack/methods/nmf/nmf_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 57 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c pca.cpp -o pca.o In file included from pca.cpp:9: In file included from ../inst/include/mlpack/methods/pca/pca_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from pca.cpp:9: In file included from ../inst/include/mlpack/methods/pca/pca_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from pca.cpp:9: In file included from ../inst/include/mlpack/methods/pca/pca_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c perceptron.cpp -o perceptron.o In file included from perceptron.cpp:9: In file included from ../inst/include/mlpack/methods/perceptron/perceptron_main.cpp:15: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from perceptron.cpp:9: In file included from ../inst/include/mlpack/methods/perceptron/perceptron_main.cpp:15: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from perceptron.cpp:9: In file included from ../inst/include/mlpack/methods/perceptron/perceptron_main.cpp:15: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c preprocess_binarize.cpp -o preprocess_binarize.o In file included from preprocess_binarize.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_binarize_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_binarize.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_binarize_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_binarize.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_binarize_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c preprocess_describe.cpp -o preprocess_describe.o In file included from preprocess_describe.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_describe_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_describe.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_describe_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_describe.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_describe_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c preprocess_one_hot_encoding.cpp -o preprocess_one_hot_encoding.o In file included from preprocess_one_hot_encoding.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_one_hot_encoding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_one_hot_encoding.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_one_hot_encoding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_one_hot_encoding.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_one_hot_encoding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c preprocess_scale.cpp -o preprocess_scale.o In file included from preprocess_scale.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_scale_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_scale.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_scale_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_scale.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_scale_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c preprocess_split.cpp -o preprocess_split.o In file included from preprocess_split.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_split_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_split.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_split_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from preprocess_split.cpp:9: In file included from ../inst/include/mlpack/methods/preprocess/preprocess_split_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c r_util.cpp -o r_util.o In file included from r_util.cpp:14: In file included from ../inst/include/mlpack/core/util/io.hpp:31: In file included from ../inst/include/mlpack/core/data/load.hpp:26: In file included from ../inst/include/mlpack/core/data/load_image.hpp:16: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from r_util.cpp:14: In file included from ../inst/include/mlpack/core/util/io.hpp:31: In file included from ../inst/include/mlpack/core/data/load.hpp:26: In file included from ../inst/include/mlpack/core/data/load_image.hpp:16: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from r_util.cpp:14: In file included from ../inst/include/mlpack/core/util/io.hpp:31: In file included from ../inst/include/mlpack/core/data/load.hpp:26: In file included from ../inst/include/mlpack/core/data/load_image.hpp:16: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: unused function 'stbir_resize_uint8_linear' [-Wunused-function] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c radical.cpp -o radical.o In file included from radical.cpp:9: In file included from ../inst/include/mlpack/methods/radical/radical_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from radical.cpp:9: In file included from ../inst/include/mlpack/methods/radical/radical_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from radical.cpp:9: In file included from ../inst/include/mlpack/methods/radical/radical_main.cpp:13: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c random_forest.cpp -o random_forest.o In file included from random_forest.cpp:9: In file included from ../inst/include/mlpack/methods/random_forest/random_forest_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from random_forest.cpp:9: In file included from ../inst/include/mlpack/methods/random_forest/random_forest_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from random_forest.cpp:9: In file included from ../inst/include/mlpack/methods/random_forest/random_forest_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c softmax_regression.cpp -o softmax_regression.o In file included from softmax_regression.cpp:9: In file included from ../inst/include/mlpack/methods/softmax_regression/softmax_regression_main.cpp:11: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from softmax_regression.cpp:9: In file included from ../inst/include/mlpack/methods/softmax_regression/softmax_regression_main.cpp:11: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from softmax_regression.cpp:9: In file included from ../inst/include/mlpack/methods/softmax_regression/softmax_regression_main.cpp:11: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c sparse_coding.cpp -o sparse_coding.o In file included from sparse_coding.cpp:9: In file included from ../inst/include/mlpack/methods/sparse_coding/sparse_coding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from sparse_coding.cpp:9: In file included from ../inst/include/mlpack/methods/sparse_coding/sparse_coding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from sparse_coding.cpp:9: In file included from ../inst/include/mlpack/methods/sparse_coding/sparse_coding_main.cpp:12: In file included from ../inst/include/mlpack/core.hpp:38: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: 'static' function 'stbir_resize_uint8_linear' declared in header file should be declared 'static inline' [-Wunneeded-internal-declaration] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppArmadillo/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fpic -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator -c test_r_binding.cpp -o test_r_binding.o In file included from test_r_binding.cpp:9: In file included from ./mlpack/bindings/R/tests//test_r_binding_main.cpp:13: In file included from ../inst/include/mlpack/core/util/io.hpp:31: In file included from ../inst/include/mlpack/core/data/load.hpp:26: In file included from ../inst/include/mlpack/core/data/load_image.hpp:16: In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:1429:18: warning: unused function 'stbi_load_from_memory' [-Wunused-function] 1429 | STBIDEF stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1436:18: warning: unused function 'stbi_load_from_callbacks' [-Wunused-function] 1436 | STBIDEF stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1444:18: warning: unused function 'stbi_load_gif_from_memory' [-Wunused-function] 1444 | STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc const *buffer, int len, int **delays, int *x, int *y, int *z, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1415:18: warning: unused function 'stbi_load_16_from_memory' [-Wunused-function] 1415 | STBIDEF stbi_us *stbi_load_16_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1422:18: warning: unused function 'stbi_load_16_from_callbacks' [-Wunused-function] 1422 | STBIDEF stbi_us *stbi_load_16_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *channels_in_file, int desired_channels) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1402:18: warning: unused function 'stbi_load_16' [-Wunused-function] 1402 | STBIDEF stbi_us *stbi_load_16(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1478:16: warning: unused function 'stbi_loadf_from_memory' [-Wunused-function] 1478 | STBIDEF float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1485:16: warning: unused function 'stbi_loadf_from_callbacks' [-Wunused-function] 1485 | STBIDEF float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1493:16: warning: unused function 'stbi_loadf' [-Wunused-function] 1493 | STBIDEF float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) | ^~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1581:16: warning: unused function 'stbi_hdr_to_ldr_gamma' [-Wunused-function] 1581 | STBIDEF void stbi_hdr_to_ldr_gamma(float gamma) { stbi__h2l_gamma_i = 1/gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1582:16: warning: unused function 'stbi_hdr_to_ldr_scale' [-Wunused-function] 1582 | STBIDEF void stbi_hdr_to_ldr_scale(float scale) { stbi__h2l_scale_i = 1/scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1575:16: warning: unused function 'stbi_ldr_to_hdr_gamma' [-Wunused-function] 1575 | STBIDEF void stbi_ldr_to_hdr_gamma(float gamma) { stbi__l2h_gamma = gamma; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1576:16: warning: unused function 'stbi_ldr_to_hdr_scale' [-Wunused-function] 1576 | STBIDEF void stbi_ldr_to_hdr_scale(float scale) { stbi__l2h_scale = scale; } | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1559:18: warning: unused function 'stbi_is_hdr_from_callbacks' [-Wunused-function] 1559 | STBIDEF int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: unused function 'stbi_is_hdr_from_memory' [-Wunused-function] 1517 | STBIDEF int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1531:18: warning: unused function 'stbi_is_hdr' [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7734:13: warning: unused function 'stbi_info_from_memory' [-Wunused-function] 7734 | STBIDEF int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7741:13: warning: unused function 'stbi_info_from_callbacks' [-Wunused-function] 7741 | STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int *x, int *y, int *comp) | ^~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7748:13: warning: unused function 'stbi_is_16_bit_from_memory' [-Wunused-function] 7748 | STBIDEF int stbi_is_16_bit_from_memory(stbi_uc const *buffer, int len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: unused function 'stbi_is_16_bit_from_callbacks' [-Wunused-function] 7755 | STBIDEF int stbi_is_16_bit_from_callbacks(stbi_io_callbacks const *c, void *user) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: unused function 'stbi_info' [-Wunused-function] 7691 | STBIDEF int stbi_info(char const *filename, int *x, int *y, int *comp) | ^~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7712:13: warning: unused function 'stbi_is_16_bit' [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4996:14: warning: unused function 'stbi_set_unpremultiply_on_load' [-Wunused-function] 4996 | STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5001:14: warning: unused function 'stbi_convert_iphone_png_to_rgb' [-Wunused-function] 5001 | STBIDEF void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1116:14: warning: unused function 'stbi_set_flip_vertically_on_load' [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5013:14: warning: unused function 'stbi_set_unpremultiply_on_load_thread' [-Wunused-function] 5013 | STBIDEF void stbi_set_unpremultiply_on_load_thread(int flag_true_if_should_unpremultiply) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:5019:14: warning: unused function 'stbi_convert_iphone_png_to_rgb_thread' [-Wunused-function] 5019 | STBIDEF void stbi_convert_iphone_png_to_rgb_thread(int flag_true_if_should_convert) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1126:14: warning: unused function 'stbi_set_flip_vertically_on_load_thread' [-Wunused-function] 1126 | STBIDEF void stbi_set_flip_vertically_on_load_thread(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4536:15: warning: unused function 'stbi_zlib_decode_malloc' [-Wunused-function] 4536 | STBIDEF char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4557:13: warning: unused function 'stbi_zlib_decode_buffer' [-Wunused-function] 4557 | STBIDEF int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: unused function 'stbi_zlib_decode_noheader_malloc' [-Wunused-function] 4568 | STBIDEF char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4584:13: warning: unused function 'stbi_zlib_decode_noheader_buffer' [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from test_r_binding.cpp:9: In file included from ./mlpack/bindings/R/tests//test_r_binding_main.cpp:13: In file included from ../inst/include/mlpack/core/util/io.hpp:31: In file included from ../inst/include/mlpack/core/data/load.hpp:26: In file included from ../inst/include/mlpack/core/data/load_image.hpp:16: In file included from ../inst/include/mlpack/core/stb/stb.hpp:80: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1231:14: warning: unused function 'stbi_write_png_to_func' [-Wunused-function] 1231 | STBIWDEF int stbi_write_png_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int stride_bytes) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:512:14: warning: unused function 'stbi_write_bmp_to_func' [-Wunused-function] 512 | STBIWDEF int stbi_write_bmp_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:611:14: warning: unused function 'stbi_write_tga_to_func' [-Wunused-function] 611 | STBIWDEF int stbi_write_tga_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:787:14: warning: unused function 'stbi_write_hdr_to_func' [-Wunused-function] 787 | STBIWDEF int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const float *data) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: unused function 'stbi_write_jpg_to_func' [-Wunused-function] 1607 | STBIWDEF int stbi_write_jpg_to_func(stbi_write_func *func, void *context, int x, int y, int comp, const void *data, int quality) | ^~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:262:15: warning: unused function 'stbi_flip_vertically_on_write' [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from test_r_binding.cpp:9: In file included from ./mlpack/bindings/R/tests//test_r_binding_main.cpp:13: In file included from ../inst/include/mlpack/core/util/io.hpp:31: In file included from ../inst/include/mlpack/core/data/load.hpp:26: In file included from ../inst/include/mlpack/core/data/load_image.hpp:16: In file included from ../inst/include/mlpack/core/stb/stb.hpp:81: ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8009:26: warning: unused function 'stbir_resize_uint8_srgb' [-Wunused-function] 8009 | STBIRDEF unsigned char * stbir_resize_uint8_srgb( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7983:26: warning: unused function 'stbir_resize_uint8_linear' [-Wunused-function] 7983 | STBIRDEF unsigned char * stbir_resize_uint8_linear( const unsigned char *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8036:18: warning: unused function 'stbir_resize_float_linear' [-Wunused-function] 8036 | STBIRDEF float * stbir_resize_float_linear( const float *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:8063:17: warning: unused function 'stbir_resize' [-Wunused-function] 8063 | STBIRDEF void * stbir_resize( const void *input_pixels , int input_w , int input_h, int input_stride_in_bytes, | ^~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7642:15: warning: unused function 'stbir_set_datatypes' [-Wunused-function] 7642 | STBIRDEF void stbir_set_datatypes( STBIR_RESIZE * resize, stbir_datatype input_type, stbir_datatype output_type ) // by default, datatype from resize_init | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7650:15: warning: unused function 'stbir_set_pixel_callbacks' [-Wunused-function] 7650 | STBIRDEF void stbir_set_pixel_callbacks( STBIR_RESIZE * resize, stbir_input_callback * input_cb, stbir_output_callback * output_cb ) // no callbacks by default | ^~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7662:15: warning: unused function 'stbir_set_user_data' [-Wunused-function] 7662 | STBIRDEF void stbir_set_user_data( STBIR_RESIZE * resize, void * user_data ) // pass back STBIR_RESIZE* by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7669:15: warning: unused function 'stbir_set_buffer_ptrs' [-Wunused-function] 7669 | STBIRDEF void stbir_set_buffer_ptrs( STBIR_RESIZE * resize, const void * input_pixels, int input_stride_in_bytes, void * output_pixels, int output_stride_in_bytes ) | ^~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7704:14: warning: unused function 'stbir_set_pixel_layouts' [-Wunused-function] 7704 | STBIRDEF int stbir_set_pixel_layouts( STBIR_RESIZE * resize, stbir_pixel_layout input_pixel_layout, stbir_pixel_layout output_pixel_layout ) // sets new pixel layouts | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7680:14: warning: unused function 'stbir_set_edgemodes' [-Wunused-function] 7680 | STBIRDEF int stbir_set_edgemodes( STBIR_RESIZE * resize, stbir_edge horizontal_edge, stbir_edge vertical_edge ) // CLAMP by default | ^~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7688:14: warning: unused function 'stbir_set_filters' [-Wunused-function] 7688 | STBIRDEF int stbir_set_filters( STBIR_RESIZE * resize, stbir_filter horizontal_filter, stbir_filter vertical_filter ) // STBIR_DEFAULT_FILTER_UPSAMPLE/DOWNSAMPLE by default | ^~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7696:14: warning: unused function 'stbir_set_filter_callbacks' [-Wunused-function] 7696 | STBIRDEF int stbir_set_filter_callbacks( STBIR_RESIZE * resize, stbir__kernel_callback * horizontal_filter, stbir__support_callback * horizontal_support, stbir__kernel_callback * vertical_filter, stbir__support_callback * vertical_support ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7753:14: warning: unused function 'stbir_set_pixel_subrect' [-Wunused-function] 7753 | STBIRDEF int stbir_set_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets both regions (full regions by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7720:14: warning: unused function 'stbir_set_input_subrect' [-Wunused-function] 7720 | STBIRDEF int stbir_set_input_subrect( STBIR_RESIZE * resize, double s0, double t0, double s1, double t1 ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7738:14: warning: unused function 'stbir_set_output_pixel_subrect' [-Wunused-function] 7738 | STBIRDEF int stbir_set_output_pixel_subrect( STBIR_RESIZE * resize, int subx, int suby, int subw, int subh ) // sets input region (full region by default) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7713:14: warning: unused function 'stbir_set_non_pm_alpha_speed_over_quality' [-Wunused-function] 7713 | STBIRDEF int stbir_set_non_pm_alpha_speed_over_quality( STBIR_RESIZE * resize, int non_pma_alpha_speed_over_quality ) // sets alpha speed | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image_resize2.h:7927:14: warning: unused function 'stbir_resize_extended_split' [-Wunused-function] 7927 | STBIRDEF int stbir_resize_extended_split( STBIR_RESIZE * resize, int split_start, int split_count ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 warnings generated. clang++-19 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-clang-19/lib -Wl,-O1 -o mlpack.so RcppExports.o adaboost.o approx_kfn.o bayesian_linear_regression.o cf.o dbscan.o decision_tree.o det.o emst.o fastmks.o gmm_generate.o gmm_probability.o gmm_train.o hmm_generate.o hmm_loglik.o hmm_train.o hmm_viterbi.o hoeffding_tree.o kde.o kernel_pca.o kfn.o kmeans.o knn.o krann.o lars.o linear_regression.o linear_svm.o lmnn.o local_coordinate_coding.o logistic_regression.o lsh.o mean_shift.o nbc.o nca.o nmf.o pca.o perceptron.o preprocess_binarize.o preprocess_describe.o preprocess_one_hot_encoding.o preprocess_scale.o preprocess_split.o r_util.o radical.o random_forest.o softmax_regression.o sparse_coding.o test_r_binding.o -llapack -L/home/hornik/tmp/R-d-clang-19/lib -lRblas -L/usr/lib/llvm-19/lib -lFortranRuntime -lFortranDecimal -lm -L/home/hornik/tmp/R-d-clang-19/lib -lR installing to /srv/hornik/tmp/CRAN_pretest/mlpack.Rcheck/00LOCK-mlpack/00new/mlpack/libs ** R ** inst ** byte-compile and prepare package for lazy loading ** help *** installing help indices ** building package indices ** testing if installed package can be loaded from temporary location ** checking absolute paths in shared objects and dynamic libraries ** testing if installed package can be loaded from final location ** testing if installed package keeps a record of temporary installation path * DONE (mlpack)