* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’ * installing *source* package ‘OSFD’ ... ** package ‘OSFD’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (Debian 13.2.0-23) 13.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpweaDIA/R.INSTALL21171f473d8c00/OSFD/src' g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I../inst/include/ -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include' -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/twinning/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c OSFD.cpp -o OSFD.o OSFD.cpp: In function ‘arma::rowvec perturb_cpp(arma::mat, arma::vec, Rcpp::Nullable >, bool, bool, Rcpp::Nullable >)’: OSFD.cpp:431:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘arma::uword’ {aka ‘unsigned int’} [-Wsign-compare] 431 | for (int i=0; i<(K+1); i++){ | ~^~~~~~ OSFD.cpp:440:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘arma::uword’ {aka ‘unsigned int’} [-Wsign-compare] 440 | for (int i=0; i<(K+1); i++){ | ~^~~~~~ OSFD.cpp:445:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘arma::uword’ {aka ‘unsigned int’} [-Wsign-compare] 445 | for (int i=0; i