DiffC1            251 modules/imgproc/src/floodfill.cpp     DiffC1(_Tp _lo, _Tp _up) : lo(-_lo), up(_up) {}
DiffC1            274 modules/imgproc/src/floodfill.cpp typedef DiffC1<int> Diff32sC1;
DiffC1            276 modules/imgproc/src/floodfill.cpp typedef DiffC1<float> Diff32fC1;