downloading reverse dependencies ... downloading HDJM_0.1.0.tar.gz ... ok downloading mlpack_4.6.3.tar.gz ... ok downloading PJFM_0.1.0.tar.gz ... ok downloading Racmacs_1.2.9.tar.gz ... ok downloading rcppmlpackexamples_0.0.1.tar.gz ... ok downloading sparsevb_0.1.1.tar.gz ... ok downloading VBJM_0.1.0.tar.gz ... ok installing dependencies ‘brotli’, ‘mlpack’, ‘r3js’, ‘RcppEnsmallen’, ‘rmarchingcubes’, ‘selectiveInference’ begin installing package ‘brotli’ begin installing package ‘rmarchingcubes’ begin installing package ‘r3js’ begin installing package ‘selectiveInference’ begin installing package ‘RcppEnsmallen’ * installing *source* package ‘r3js’ ... ** this is package ‘r3js’ version ‘0.0.2’ ** package ‘r3js’ successfully unpacked and MD5 sums checked ** using staged installation ** 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 ** testing if installed package can be loaded from final location ** testing if installed package keeps a record of temporary installation path * DONE (r3js) * installing *source* package ‘RcppEnsmallen’ ... ** this is package ‘RcppEnsmallen’ version ‘0.3.10.0.1’ ** using staged installation ** libs using C++ compiler: ‘g++-15 (Debian 15.2.0-4) 15.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpsqNxaZ/R.INSTALL37a6046f150496/RcppEnsmallen/src' g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I../inst/include -fopenmp -DARMA_USE_CURRENT -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I../inst/include -fopenmp -DARMA_USE_CURRENT -fpic -g -O2 -Wall -pedantic -mtune=native -c example-linear-regression-lbfgs.cpp -o example-linear-regression-lbfgs.o g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-gcc-15/lib -Wl,-O1 -o RcppEnsmallen.so RcppExports.o example-linear-regression-lbfgs.o -fopenmp -llapack -L/home/hornik/tmp/R-d-gcc-15/lib -lRblas -lgfortran -lm -lquadmath -L/home/hornik/tmp/R-d-gcc-15/lib -lR make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpsqNxaZ/R.INSTALL37a6046f150496/RcppEnsmallen/src' installing to /home/hornik/tmp/CRAN_recheck/Library/00LOCK-RcppEnsmallen/00new/RcppEnsmallen/libs ** R ** 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 (RcppEnsmallen) begin installing package ‘mlpack’ * installing *source* package ‘rmarchingcubes’ ... ** this is package ‘rmarchingcubes’ version ‘0.1.4’ ** package ‘rmarchingcubes’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-15 (Debian 15.2.0-4) 15.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpAEwCo8/R.INSTALL37a6002595ea38/rmarchingcubes/src' g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c MarchingCubes.cpp -o MarchingCubes.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c wrappers.cpp -o wrappers.o g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-gcc-15/lib -Wl,-O1 -o rmarchingcubes.so MarchingCubes.o RcppExports.o wrappers.o -fopenmp -llapack -L/home/hornik/tmp/R-d-gcc-15/lib -lRblas -lgfortran -lm -lquadmath -L/home/hornik/tmp/R-d-gcc-15/lib -lR make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpAEwCo8/R.INSTALL37a6002595ea38/rmarchingcubes/src' installing to /home/hornik/tmp/CRAN_recheck/Library/00LOCK-rmarchingcubes/00new/rmarchingcubes/libs ** R ** 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 (rmarchingcubes) * installing *source* package ‘selectiveInference’ ... ** this is package ‘selectiveInference’ version ‘1.2.5’ ** package ‘selectiveInference’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C compiler: ‘gcc-15 (Debian 15.2.0-4) 15.2.0’ using C++ compiler: ‘g++-15 (Debian 15.2.0-4) 15.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/Rtmp6p14s9/R.INSTALL37a6084e4c4237/selectiveInference/src' g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c Rcpp-debias.cpp -o Rcpp-debias.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c Rcpp-matrixcomps.cpp -o Rcpp-matrixcomps.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c Rcpp-randomized.cpp -o Rcpp-randomized.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -DCOLUMN_MAJOR_ORDER -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c matrixcomps.c -o matrixcomps.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -DCOLUMN_MAJOR_ORDER -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c quadratic_program.c -o quadratic_program.o quadratic_program.c: In function ‘solve_qp’: quadratic_program.c:424:29: warning: ‘old_value’ may be used uninitialized [-Wmaybe-uninitialized] 424 | if ((fabs(old_value - new_value) < objective_tol * fabs(new_value)) && (iter > 0)) { | ~~~~~~~~~~^~~~~~~~~~~ quadratic_program.c:292:10: note: ‘old_value’ was declared here 292 | double old_value, new_value; | ^~~~~~~~~ gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -DCOLUMN_MAJOR_ORDER -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c quadratic_program_wide.c -o quadratic_program_wide.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -DCOLUMN_MAJOR_ORDER -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c randomized_lasso.c -o randomized_lasso.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -I. -DCOLUMN_MAJOR_ORDER -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -DCOLUMN_MAJOR_ORDER -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c selective_mle.c -o selective_mle.o /home/hornik/tmp/R-d-gcc-15/bin/Rscript -e "library(Rcpp); Rcpp::compileAttributes('..')" g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-gcc-15/lib -Wl,-O1 -o selectiveInference.so Rcpp-debias.o Rcpp-matrixcomps.o Rcpp-randomized.o RcppExports.o matrixcomps.o quadratic_program.o quadratic_program_wide.o randomized_lasso.o selective_mle.o -L. -L/home/hornik/tmp/R-d-gcc-15/lib -lR make[1]: Leaving directory '/home/hornik/tmp/scratch/Rtmp6p14s9/R.INSTALL37a6084e4c4237/selectiveInference/src' installing to /home/hornik/tmp/CRAN_recheck/Library/00LOCK-selectiveInference/00new/selectiveInference/libs ** R ** 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 (selectiveInference) * installing *source* package ‘brotli’ ... ** this is package ‘brotli’ version ‘1.3.2’ ** package ‘brotli’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C compiler: ‘gcc-15 (Debian 15.2.0-4) 15.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpUk0Bql/R.INSTALL37a602177a22dd/brotli/src' gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c wrapper.c -o wrapper.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/backward_references.c -o enc/backward_references.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/bit_cost.c -o enc/bit_cost.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/block_splitter.c -o enc/block_splitter.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/brotli_bit_stream.c -o enc/brotli_bit_stream.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/cluster.c -o enc/cluster.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/compress_fragment_two_pass.c -o enc/compress_fragment_two_pass.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/compress_fragment.c -o enc/compress_fragment.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/encode.c -o enc/encode.o enc/encode.c:1473:20: warning: argument 5 of type ‘const uint8_t *’ {aka ‘const unsigned char *’} declared as a pointer [-Wvla-parameter] 1473 | const uint8_t* input_buffer, size_t* encoded_size, | ~~~~~~~~~~~~~~~^~~~~~~~~~~~ In file included from enc/encode.c:9: include/brotli/encode.h:314:19: note: previously declared as a variable length array ‘const uint8_t[input_size]’ {aka ‘const unsigned char[input_size]’} 314 | const uint8_t input_buffer[BROTLI_ARRAY_PARAM(input_size)], | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ enc/encode.c:1474:14: warning: argument 7 of type ‘uint8_t *’ {aka ‘unsigned char *’} declared as a pointer [-Wvla-parameter] 1474 | uint8_t* encoded_buffer) { | ~~~~~~~~~^~~~~~~~~~~~~~ include/brotli/encode.h:316:13: note: previously declared as a variable length array ‘uint8_t[*encoded_size]’ {aka ‘unsigned char[*encoded_size]’} 316 | uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(*encoded_size)]); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/entropy_encode.c -o enc/entropy_encode.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/histogram.c -o enc/histogram.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/literal_cost.c -o enc/literal_cost.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/memory.c -o enc/memory.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/metablock.c -o enc/metablock.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/static_dict.c -o enc/static_dict.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/utf8_util.c -o enc/utf8_util.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c dec/bit_reader.c -o dec/bit_reader.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c dec/huffman.c -o dec/huffman.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c dec/state.c -o dec/state.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c dec/decode.c -o dec/decode.o dec/decode.c:2036:41: warning: argument 2 of type ‘const uint8_t *’ {aka ‘const unsigned char *’} declared as a pointer [-Wvla-parameter] 2036 | size_t encoded_size, const uint8_t* encoded_buffer, size_t* decoded_size, | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ In file included from dec/decode.c:7: include/brotli/decode.h:204:19: note: previously declared as a variable length array ‘const uint8_t[encoded_size]’ {aka ‘const unsigned char[encoded_size]’} 204 | const uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(encoded_size)], | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ dec/decode.c:2037:14: warning: argument 4 of type ‘uint8_t *’ {aka ‘unsigned char *’} declared as a pointer [-Wvla-parameter] 2037 | uint8_t* decoded_buffer) { | ~~~~~~~~~^~~~~~~~~~~~~~ include/brotli/decode.h:206:13: note: previously declared as a variable length array ‘uint8_t[*decoded_size]’ {aka ‘unsigned char[*decoded_size]’} 206 | uint8_t decoded_buffer[BROTLI_ARRAY_PARAM(*decoded_size)]); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c common/dictionary.c -o common/dictionary.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/backward_references_hq.c -o enc/backward_references_hq.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/dictionary_hash.c -o enc/dictionary_hash.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c common/transform.c -o common/transform.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/encoder_dict.c -o enc/encoder_dict.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c common/platform.c -o common/platform.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c common/context.c -o common/context.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c common/constants.c -o common/constants.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/command.c -o enc/command.o gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c enc/fast_log.c -o enc/fast_log.o ar rcs enc/libstatbrotli.a enc/backward_references.o enc/bit_cost.o enc/block_splitter.o enc/brotli_bit_stream.o enc/cluster.o enc/compress_fragment_two_pass.o enc/compress_fragment.o enc/encode.o enc/entropy_encode.o enc/histogram.o enc/literal_cost.o enc/memory.o enc/metablock.o enc/static_dict.o enc/utf8_util.o dec/bit_reader.o dec/huffman.o dec/state.o dec/decode.o common/dictionary.o enc/backward_references_hq.o enc/dictionary_hash.o common/transform.o enc/encoder_dict.o common/platform.o common/context.o common/constants.o enc/command.o enc/fast_log.o gcc-15 -shared -L/home/hornik/tmp/R-d-gcc-15/lib -Wl,-O1 -o brotli.so wrapper.o -Lenc -lstatbrotli -L/home/hornik/tmp/R-d-gcc-15/lib -lR gcc-15 -I"/home/hornik/tmp/R-d-gcc-15/include" -DNDEBUG -DBROTLI_BUILD_PORTABLE -Iinclude -include config.h -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fvisibility=hidden -fpic -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native -c tools/brotli.c -o tools/brotli.o mkdir -p ../inst/bin g++-15 -std=gnu++17 -o ../inst/bin/bro tools/brotli.o -Lenc -lstatbrotli -Wl,-O1 rm -f enc/backward_references.o enc/bit_cost.o enc/block_splitter.o enc/brotli_bit_stream.o enc/cluster.o enc/compress_fragment_two_pass.o enc/compress_fragment.o enc/encode.o enc/entropy_encode.o enc/histogram.o enc/literal_cost.o enc/memory.o enc/metablock.o enc/static_dict.o enc/utf8_util.o dec/bit_reader.o dec/huffman.o dec/state.o dec/decode.o common/dictionary.o enc/backward_references_hq.o enc/dictionary_hash.o common/transform.o enc/encoder_dict.o common/platform.o common/context.o common/constants.o enc/command.o enc/fast_log.o ../inst/bin/bro enc/libstatbrotli.a tools/brotli.o make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpUk0Bql/R.INSTALL37a602177a22dd/brotli/src' installing to /home/hornik/tmp/CRAN_recheck/Library/00LOCK-brotli/00new/brotli/libs ** R ** 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 (brotli) * installing *source* package ‘mlpack’ ... ** this is package ‘mlpack’ version ‘4.6.3’ ** package ‘mlpack’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-15 (Debian 15.2.0-4) 15.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpeqdqJA/R.INSTALL37a72064e2438/mlpack/src' g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack.h:34, from RcppExports.cpp:4: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c adaboost.cpp -o adaboost.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/adaboost/adaboost_main.cpp:34, from adaboost.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c approx_kfn.cpp -o approx_kfn.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12, from approx_kfn.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c bayesian_linear_regression.cpp -o bayesian_linear_regression.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/bayesian_linear_regression/bayesian_linear_regression_main.cpp:12, from bayesian_linear_regression.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c cf.cpp -o cf.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/cf/cf_main.cpp:12, from cf.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c dbscan.cpp -o dbscan.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/dbscan/dbscan_main.cpp:12, from dbscan.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c decision_tree.cpp -o decision_tree.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/decision_tree/decision_tree_main.cpp:12, from decision_tree.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c det.cpp -o det.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/det/det_main.cpp:12, from det.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c emst.cpp -o emst.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/emst/emst_main.cpp:27, from emst.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c fastmks.cpp -o fastmks.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/fastmks/fastmks_main.cpp:12, from fastmks.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c gmm_generate.cpp -o gmm_generate.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/gmm/gmm_generate_main.cpp:12, from gmm_generate.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c gmm_probability.cpp -o gmm_probability.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/gmm/gmm_probability_main.cpp:12, from gmm_probability.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c gmm_train.cpp -o gmm_train.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/gmm/gmm_train_main.cpp:12, from gmm_train.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c hmm_generate.cpp -o hmm_generate.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/hmm/hmm_generate_main.cpp:14, from hmm_generate.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c hmm_loglik.cpp -o hmm_loglik.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/hmm/hmm_loglik_main.cpp:12, from hmm_loglik.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c hmm_train.cpp -o hmm_train.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/hmm/hmm_train_main.cpp:12, from hmm_train.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c hmm_viterbi.cpp -o hmm_viterbi.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/hmm/hmm_viterbi_main.cpp:13, from hmm_viterbi.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c hoeffding_tree.cpp -o hoeffding_tree.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12, from hoeffding_tree.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c image_converter.cpp -o image_converter.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/preprocess/image_converter_main.cpp:13, from image_converter.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c kde.cpp -o kde.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/kde/kde_main.cpp:12, from kde.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c kernel_pca.cpp -o kernel_pca.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/kernel_pca/kernel_pca_main.cpp:12, from kernel_pca.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c kfn.cpp -o kfn.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/neighbor_search/kfn_main.cpp:13, from kfn.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c kmeans.cpp -o kmeans.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/kmeans/kmeans_main.cpp:12, from kmeans.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c knn.cpp -o knn.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/neighbor_search/knn_main.cpp:13, from knn.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c krann.cpp -o krann.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/rann/krann_main.cpp:13, from krann.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c lars.cpp -o lars.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/lars/lars_main.cpp:12, from lars.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c linear_regression.cpp -o linear_regression.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/linear_regression/linear_regression_main.cpp:12, from linear_regression.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c linear_svm.cpp -o linear_svm.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/linear_svm/linear_svm_main.cpp:12, from linear_svm.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c lmnn.cpp -o lmnn.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/lmnn/lmnn_main.cpp:12, from lmnn.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c local_coordinate_coding.cpp -o local_coordinate_coding.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/local_coordinate_coding/local_coordinate_coding_main.cpp:12, from local_coordinate_coding.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c logistic_regression.cpp -o logistic_regression.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/logistic_regression/logistic_regression_main.cpp:12, from logistic_regression.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c lsh.cpp -o lsh.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/lsh/lsh_main.cpp:13, from lsh.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c mean_shift.cpp -o mean_shift.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/mean_shift/mean_shift_main.cpp:12, from mean_shift.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c nbc.cpp -o nbc.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/naive_bayes/nbc_main.cpp:15, from nbc.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c nca.cpp -o nca.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/nca/nca_main.cpp:12, from nca.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c nmf.cpp -o nmf.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/nmf/nmf_main.cpp:12, from nmf.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c pca.cpp -o pca.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/pca/pca_main.cpp:13, from pca.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c perceptron.cpp -o perceptron.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/perceptron/perceptron_main.cpp:15, from perceptron.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c preprocess_binarize.cpp -o preprocess_binarize.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/preprocess/preprocess_binarize_main.cpp:12, from preprocess_binarize.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c preprocess_describe.cpp -o preprocess_describe.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/preprocess/preprocess_describe_main.cpp:12, from preprocess_describe.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c preprocess_one_hot_encoding.cpp -o preprocess_one_hot_encoding.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/preprocess/preprocess_one_hot_encoding_main.cpp:12, from preprocess_one_hot_encoding.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c preprocess_scale.cpp -o preprocess_scale.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/preprocess/preprocess_scale_main.cpp:12, from preprocess_scale.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c preprocess_split.cpp -o preprocess_split.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/preprocess/preprocess_split_main.cpp:12, from preprocess_split.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c r_util.cpp -o r_util.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core/data/load_image.hpp:16, from ../inst/include/mlpack/core/data/load.hpp:28, from ../inst/include/mlpack/core/util/io.hpp:31, from r_util.cpp:14: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c radical.cpp -o radical.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/radical/radical_main.cpp:13, from radical.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c random_forest.cpp -o random_forest.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/random_forest/random_forest_main.cpp:12, from random_forest.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c softmax_regression.cpp -o softmax_regression.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/softmax_regression/softmax_regression_main.cpp:11, from softmax_regression.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c sparse_coding.cpp -o sparse_coding.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core.hpp:38, from ../inst/include/mlpack/methods/sparse_coding/sparse_coding_main.cpp:12, from sparse_coding.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -I"/home/hornik/tmp/R-d-gcc-15/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/tmp/CRAN_recheck/Library/RcppEnsmallen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I. -I../inst/include -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c test_r_binding.cpp -o test_r_binding.o In file included from ../inst/include/mlpack/core/stb/stb.hpp:80, from ../inst/include/mlpack/core/data/load_image.hpp:16, from ../inst/include/mlpack/core/data/load.hpp:28, from ../inst/include/mlpack/core/util/io.hpp:31, from ./mlpack/bindings/R/tests//test_r_binding_main.cpp:13, from test_r_binding.cpp:9: ../inst/include/mlpack/core/stb/bundled/stb_image_write.h:1607:14: warning: ‘int stbi_write_jpg_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:1231:14: warning: ‘int stbi_write_png_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*, int)’ defined but not used [-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:787:14: warning: ‘int stbi_write_hdr_to_func(void (*)(void*, void*, int), void*, int, int, int, const float*)’ defined but not used [-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:611:14: warning: ‘int stbi_write_tga_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:512:14: warning: ‘int stbi_write_bmp_to_func(void (*)(void*, void*, int), void*, int, int, int, const void*)’ defined but not used [-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:262:15: warning: ‘void stbi_flip_vertically_on_write(int)’ defined but not used [-Wunused-function] 262 | STBIWDEF void stbi_flip_vertically_on_write(int flag) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ../inst/include/mlpack/core/stb/stb.hpp:79: ../inst/include/mlpack/core/stb/bundled/stb_image.h:7755:13: warning: ‘int stbi_is_16_bit_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:7748:13: warning: ‘int stbi_is_16_bit_from_memory(const stbi_uc*, int)’ defined but not used [-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:7741:13: warning: ‘int stbi_info_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*)’ defined but not used [-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:7734:13: warning: ‘int stbi_info_from_memory(const stbi_uc*, int, int*, int*, int*)’ defined but not used [-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:7712:13: warning: ‘int stbi_is_16_bit(const char*)’ defined but not used [-Wunused-function] 7712 | STBIDEF int stbi_is_16_bit(char const *filename) | ^~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:7691:13: warning: ‘int stbi_info(const char*, int*, int*, int*)’ defined but not used [-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:5019:14: warning: ‘void stbi_convert_iphone_png_to_rgb_thread(int)’ defined but not used [-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:5013:14: warning: ‘void stbi_set_unpremultiply_on_load_thread(int)’ defined but not used [-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:5001:14: warning: ‘void stbi_convert_iphone_png_to_rgb(int)’ defined but not used [-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:4996:14: warning: ‘void stbi_set_unpremultiply_on_load(int)’ defined but not used [-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:4584:13: warning: ‘int stbi_zlib_decode_noheader_buffer(char*, int, const char*, int)’ defined but not used [-Wunused-function] 4584 | STBIDEF int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:4568:15: warning: ‘char* stbi_zlib_decode_noheader_malloc(const char*, int, int*)’ defined but not used [-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:4557:13: warning: ‘int stbi_zlib_decode_buffer(char*, int, const char*, int)’ defined but not used [-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:4536:15: warning: ‘char* stbi_zlib_decode_malloc(const char*, int, int*)’ defined but not used [-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:1582:16: warning: ‘void stbi_hdr_to_ldr_scale(float)’ defined but not used [-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:1581:16: warning: ‘void stbi_hdr_to_ldr_gamma(float)’ defined but not used [-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:1576:16: warning: ‘void stbi_ldr_to_hdr_scale(float)’ defined but not used [-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:1575:16: warning: ‘void stbi_ldr_to_hdr_gamma(float)’ defined but not used [-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:1559:18: warning: ‘int stbi_is_hdr_from_callbacks(const stbi_io_callbacks*, void*)’ defined but not used [-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:1531:18: warning: ‘int stbi_is_hdr(const char*)’ defined but not used [-Wunused-function] 1531 | STBIDEF int stbi_is_hdr (char const *filename) | ^~~~~~~~~~~ ../inst/include/mlpack/core/stb/bundled/stb_image.h:1517:13: warning: ‘int stbi_is_hdr_from_memory(const stbi_uc*, int)’ defined but not used [-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:1493:16: warning: ‘float* stbi_loadf(const char*, int*, int*, int*, int)’ defined but not used [-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:1485:16: warning: ‘float* stbi_loadf_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1478:16: warning: ‘float* stbi_loadf_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1444:18: warning: ‘stbi_uc* stbi_load_gif_from_memory(const stbi_uc*, int, int**, int*, int*, int*, int*, int)’ defined but not used [-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:1436:18: warning: ‘stbi_uc* stbi_load_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1429:18: warning: ‘stbi_uc* stbi_load_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1422:18: warning: ‘stbi_us* stbi_load_16_from_callbacks(const stbi_io_callbacks*, void*, int*, int*, int*, int)’ defined but not used [-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:1415:18: warning: ‘stbi_us* stbi_load_16_from_memory(const stbi_uc*, int, int*, int*, int*, int)’ defined but not used [-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:1402:18: warning: ‘stbi_us* stbi_load_16(const char*, int*, int*, int*, int)’ defined but not used [-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:1126:14: warning: ‘void stbi_set_flip_vertically_on_load_thread(int)’ defined but not used [-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:1116:14: warning: ‘void stbi_set_flip_vertically_on_load(int)’ defined but not used [-Wunused-function] 1116 | STBIDEF void stbi_set_flip_vertically_on_load(int flag_true_if_should_flip) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ g++-15 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-gcc-15/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 image_converter.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 -fopenmp -llapack -L/home/hornik/tmp/R-d-gcc-15/lib -lRblas -lgfortran -lm -lquadmath -L/home/hornik/tmp/R-d-gcc-15/lib -lR make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpeqdqJA/R.INSTALL37a72064e2438/mlpack/src' installing to /home/hornik/tmp/CRAN_recheck/Library/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) checking RcppEnsmallen_0.3.10.0.1.tar.gz ... checking HDJM_0.1.0.tar.gz ... checking mlpack_4.6.3.tar.gz ... checking PJFM_0.1.0.tar.gz ... checking Racmacs_1.2.9.tar.gz ... checking rcppmlpackexamples_0.0.1.tar.gz ... checking VBJM_0.1.0.tar.gz ... checking sparsevb_0.1.1.tar.gz ... Depends: Package: RcppEnsmallen Depends: R (>= 4.3.0) Imports: Rcpp LinkingTo: Rcpp, RcppArmadillo Timings: user system elapsed RcppEnsmallen 32.974 4.624 157.745 Results: Check status summary: NOTE OK Source packages 1 0 Reverse depends 0 7 Check results summary: RcppEnsmallen ... NOTE * checking CRAN incoming feasibility ... [6s/126s] NOTE rdepends_HDJM ... OK rdepends_mlpack ... OK rdepends_PJFM ... OK rdepends_Racmacs ... OK rdepends_rcppmlpackexamples ... OK rdepends_sparsevb ... OK rdepends_VBJM ... OK Check results changes: Package: HDJM Check: CRAN incoming feasibility Old result: NOTE Package: VBJM Check: CRAN incoming feasibility Old result: NOTE