* installing to library ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages’ * installing *source* package ‘FSSF’ ... ** package ‘FSSF’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (Debian 13.2.0-24) 13.2.0’ using C++11 make[1]: Entering directory '/tmp/Rtmp6grCbK/R.INSTALL70b4a63952645/FSSF/src' g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c ANN.cpp -o ANN.o g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c FSSF-b.cpp -o FSSF-b.o FSSF-b.cpp: In function ‘Rcpp::NumericMatrix fssf_b(int, int, int, double)’: FSSF-b.cpp:283:26: warning: comparison of integer expressions of different signedness: ‘ANNidx’ {aka ‘int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 283 | if (A1[t][1] != s) { | ~~~~~~~~~^~~~ FSSF-b.cpp:355:33: warning: comparison of integer expressions of different signedness: ‘ANNidx’ {aka ‘int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 355 | if (A1[u][j]==de) { | ~~~~~~~~^~~~ FSSF-b.cpp:374:44: warning: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘int’ [-Wsign-compare] 374 | if (it->second == u) { | ~~~~~~~~~~~^~~~ FSSF-b.cpp:406:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 406 | for (auto i=0; i