CV_IABS           190 modules/core/include/opencv2/core/types_c.h #  define  CV_IABS(a)     (((a) ^ ((a) < 0 ? -1 : 0)) - ((a) < 0 ? -1 : 0))
CV_IABS           192 modules/core/include/opencv2/core/types_c.h #  define  CV_IABS(a)     abs(a)