* installing *source* package 'brnn' ... ** package 'brnn' successfully unpacked and MD5 sums checked ** using staged installation ** libs using C compiler: 'gcc.exe (GCC) 13.2.0' make[1]: Entering directory '/d/temp/RtmpIzkK0z/R.INSTALL296587c293cac/brnn/src' gcc -I"D:/RCompile/recent/R-4.4.0/include" -DNDEBUG -I. -I"d:/rtools44/x86_64-w64-mingw32.static.posix/include" -pedantic -Wstrict-prototypes -O2 -Wall -mfpmath=sse -msse2 -mstackrealign -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