* installing *source* package ‘slideimp’ ... ** this is package ‘slideimp’ version ‘0.5.3’ ** using staged installation ** libs using C++ compiler: ‘Debian clang version 21.1.7 (1)’ using C++17 clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include' -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 -fpic -g -O3 -Wall -pedantic -c RcppExports.cpp -o RcppExports.o In file included from RcppExports.cpp:5: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include/RcppEnsmallen.h:25: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include/ensmallen.hpp:115: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include/ensmallen_bits/aug_lagrangian/aug_lagrangian.hpp:124:16: warning: unused variable 'result' [-Wunused-variable] 124 | const bool result = Optimize(function, coordinates, this->deprecatedLambda, | ^~~~~~ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include' -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 -fpic -g -O3 -Wall -pedantic -c fastSVD.cpp -o fastSVD.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include' -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 -fpic -g -O3 -Wall -pedantic -c impute_knn_brute.cpp -o impute_knn_brute.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include' -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 -fpic -g -O3 -Wall -pedantic -c impute_knn_mlpack.cpp -o impute_knn_mlpack.o In file included from impute_knn_mlpack.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack.h:34: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack/core.hpp:63: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack/core/hpt/hpt.hpp:18: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include/ensmallen.hpp:115: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEnsmallen/include/ensmallen_bits/aug_lagrangian/aug_lagrangian.hpp:124:16: warning: unused variable 'result' [-Wunused-variable] 124 | const bool result = Optimize(function, coordinates, this->deprecatedLambda, | ^~~~~~ In file included from impute_knn_mlpack.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack.h:34: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack/core.hpp:38: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack/core/stb/stb.hpp:79: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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; } | ^~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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; } | ^~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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; } | ^~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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; } | ^~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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 impute_knn_mlpack.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack.h:34: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack/core.hpp:38: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include/mlpack/core/stb/stb.hpp:80: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/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) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 39 warnings generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include' -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 -fpic -g -O3 -Wall -pedantic -c imputed_value.cpp -o imputed_value.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/mlpack/include' -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 -fpic -g -O3 -Wall -pedantic -c utils.cpp -o utils.o clang++-21 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-clang-21/lib -Wl,-O1 -o slideimp.so RcppExports.o fastSVD.o impute_knn_brute.o impute_knn_mlpack.o imputed_value.o utils.o -llapack -L/home/hornik/tmp/R-d-clang-21/lib -lRblas -L/usr/lib/llvm-21/lib/clang/21/lib/linux -L/usr/lib/llvm-21/lib -lflang_rt.runtime -lm -L/home/hornik/tmp/R-d-clang-21/lib -lR installing to /srv/hornik/tmp/CRAN_pretest/slideimp.Rcheck/00LOCK-slideimp/00new/slideimp/libs ** R ** data *** moving datasets to lazyload DB ** inst ** byte-compile and prepare package for lazy loading ** help *** installing help indices ** building package indices ** installing vignettes ** 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 (slideimp)