* installing *source* package ‘mrf2d’ ... ** package ‘mrf2d’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (GCC) 13.2.0’ make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-devel/mrf2d/src' g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/RcppArmadillo/include' -I/usr/local/include -fpic -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection -c RcppExports.cpp -o RcppExports.o g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I'/data/gannet/ripley/R/test-dev/RcppArmadillo/include' -I/usr/local/include -fpic -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection -c conditional_probability.cpp -o conditional_probability.o conditional_probability.cpp: In function 'arma::fcube all_cond_probs(const Rcpp::IntegerMatrix&, Rcpp::IntegerMatrix, const arma::fcube&)': conditional_probability.cpp:82:25: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 82 | for(unsigned int i=0;i