* installing *source* package ‘brnn’ ... ** package ‘brnn’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C compiler: ‘gcc-13 (GCC) 13.2.0’ make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-devel/brnn/src' gcc-13 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I/usr/local/include -fopenmp -I. -fpic -g -O2 -Wall -pedantic -mtune=native -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection -Werror=implicit-function-declaration -Wstrict-prototypes -c Lanczos.c -o Lanczos.o Lanczos.c: In function 'extreme_eigenvalues': Lanczos.c:191:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 191 | for (xx=0.0,zp=z,p0=zp+*n;zp