difference_type   139 modules/core/include/opencv2/core/cvstd.hpp     typedef ptrdiff_t difference_type;
difference_type   483 modules/core/include/opencv2/core/cvstd.hpp     typedef ptrdiff_t difference_type;
difference_type  2748 modules/core/include/opencv2/core/mat.hpp     typedef ptrdiff_t difference_type;
difference_type  2815 modules/core/include/opencv2/core/mat.hpp     typedef ptrdiff_t difference_type;
difference_type  10163 modules/ts/include/opencv2/ts/ts_gtest.h   typedef ptrdiff_t difference_type;