DIVUP            3976 modules/imgproc/src/filter.cpp #define DIVUP(total, grain) (((total) + (grain) - 1) / (grain))
DIVUP            1029 modules/imgproc/src/smooth.cpp #define DIVUP(total, grain) ((total + grain - 1) / (grain))
DIVUP             839 modules/video/src/optflowgf.cpp #define DIVUP(total, grain) (((total) + (grain) - 1) / (grain))