M_LN10 36 3rdparty/include/ffmpeg_/libavutil/mathematics.h #ifndef M_LN10 M_LN10 57 modules/imgproc/src/lsd.cpp #ifndef M_LN10 M_LN10 1113 modules/imgproc/src/lsd.cpp if(k > n * p) return -log1term / M_LN10 - LOG_NT;