* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’ * installing *source* package ‘spFW’ ... ** package ‘spFW’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (Debian 13.2.0-23) 13.2.0’ using C++11 make[1]: Entering directory '/home/hornik/tmp/scratch/Rtmp5V0m07/R.INSTALL17a69d54436221/spFW/src' g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -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/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -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/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c arma_Xty.cpp -o arma_Xty.o g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -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/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c arma_Xy.cpp -o arma_Xy.o g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -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/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c arma_chol.cpp -o arma_chol.o g++-13 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -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/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c fftwdct2.cpp -o fftwdct2.o fftwdct2.cpp: In function ‘Rcpp::NumericVector dct2mod(Rcpp::NumericVector, size_t, size_t)’: fftwdct2.cpp:20:19: warning: comparison of integer expressions of different signedness: ‘R_xlen_t’ {aka ‘long int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 20 | if(inR.size() != N) | ~~~~~~~~~~~^~~~ fftwdct2.cpp:42:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare] 42 | for(int i=1;i