CV_MIN_8U         106 modules/core/src/precomp.hpp #define CV_MIN_8U(a,b)       ((a) - CV_FAST_CAST_8U((a) - (b)))
CV_MIN_8U          70 modules/imgproc/src/morph.cpp #undef CV_MIN_8U
CV_MIN_8U          72 modules/imgproc/src/morph.cpp #define CV_MIN_8U(a,b)       ((a) - CV_FAST_CAST_8U((a) - (b)))