gridCountNonZero_ 250 modules/cudev/include/opencv2/cudev/grid/reduce.hpp __host__ void gridCountNonZero_(const SrcPtr& src, GpuMat_<ResType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null()) gridCountNonZero_ 272 modules/cudev/include/opencv2/cudev/grid/reduce.hpp __host__ void gridCountNonZero_(const SrcPtr& src, GpuMat_<ResType>& dst, Stream& stream = Stream::Null())