mytest 44 modules/core/test/test_conjugate_gradient.cpp static void mytest(cv::Ptr<cv::ConjGradSolver> solver,cv::Ptr<cv::MinProblemSolver::Function> ptr_F,cv::Mat& x, mytest 46 modules/core/test/test_downhill_simplex.cpp static void mytest(cv::Ptr<cv::DownhillSolver> solver,cv::Ptr<cv::MinProblemSolver::Function> ptr_F,cv::Mat& x,cv::Mat& step,