showDiff          341 modules/ts/include/opencv2/ts/cuda_test.hpp     CV_EXPORTS void showDiff(cv::InputArray gold, cv::InputArray actual, double eps);
showDiff          288 modules/ts/include/opencv2/ts/ocl_test.hpp     static void showDiff(InputArray _src, InputArray _gold, InputArray _actual, double eps, bool alwaysShow);