minus              84 modules/core/include/opencv2/core/cuda/functional.hpp         __host__ __device__ __forceinline__ minus(const minus&) {}
minus             213 modules/cudev/include/opencv2/cudev/expr/binary_op.hpp CV_CUDEV_EXPR_BINOP_INST(-, minus)
minus            1417 modules/imgproc/src/drawing.cpp     int err = 0, dx = radius, dy = 0, plus = 1, minus = (radius << 1) - 1;
minus            1547 modules/imgproc/src/drawing.cpp         err -= minus & mask;
minus            1549 modules/imgproc/src/drawing.cpp         minus -= mask & 2;