countNonZero     1294 modules/core/src/stat.cpp int cv::countNonZero( InputArray _src )
countNonZero       67 modules/cudaarithm/src/reductions.cpp int cv::cuda::countNonZero(InputArray) { throw_no_cuda(); return 0; }
countNonZero       68 modules/cudaarithm/src/reductions.cpp void cv::cuda::countNonZero(InputArray, OutputArray, Stream&) { throw_no_cuda(); }