201     void testC2C(const std::string& hint, int cols, int rows, int flags, bool inplace)  in testC2C()  argument
205         cv::Mat a = randomMat(cv::Size(cols, rows), CV_32FC2, 0.0, 10.0);  in testC2C()
215 …    d_b = cv::cuda::GpuMat(a.rows, a.cols, CV_32FC2, d_b_data.ptr(), a.cols * d_b_data.elemSize());  in testC2C()
217         cv::cuda::dft(loadMat(a), d_b, cv::Size(cols, rows), flags);  in testC2C()
222         EXPECT_MAT_NEAR(b_gold, cv::Mat(d_b), rows * cols * 1e-4);  in testC2C()
228     int cols = randomInt(2, 100);  in CUDA_TEST_P()  local
235         testC2C("no flags", cols, rows, 0, inplace);  in CUDA_TEST_P()
236         testC2C("no flags 0 1", cols, rows + 1, 0, inplace);  in CUDA_TEST_P()
237         testC2C("no flags 1 0", cols, rows + 1, 0, inplace);  in CUDA_TEST_P()
238         testC2C("no flags 1 1", cols + 1, rows, 0, inplace);  in CUDA_TEST_P()
239         testC2C("DFT_INVERSE", cols, rows, cv::DFT_INVERSE, inplace);  in CUDA_TEST_P()
240         testC2C("DFT_ROWS", cols, rows, cv::DFT_ROWS, inplace);  in CUDA_TEST_P()
242         testC2C("single row", cols, 1, 0, inplace);  in CUDA_TEST_P()
244         testC2C("single row inversed", cols, 1, cv::DFT_INVERSE, inplace);  in CUDA_TEST_P()
245         testC2C("single row DFT_ROWS", cols, 1, cv::DFT_ROWS, inplace);  in CUDA_TEST_P()
253     void testR2CThenC2R(const std::string& hint, int cols, int rows, bool inplace)  in testR2CThenC2R()  argument
257         cv::Mat a = randomMat(cv::Size(cols, rows), CV_32FC1, 0.0, 10.0);  in testR2CThenC2R()
263             if (a.cols == 1)  in testR2CThenC2R()
265                 d_b_data.create(1, (a.rows / 2 + 1) * a.cols, CV_32FC2);  in testR2CThenC2R()
266 …d_b = cv::cuda::GpuMat(a.rows / 2 + 1, a.cols, CV_32FC2, d_b_data.ptr(), a.cols * d_b_data.elemSiz…  in testR2CThenC2R()
270                 d_b_data.create(1, a.rows * (a.cols / 2 + 1), CV_32FC2);  in testR2CThenC2R()
271 …d_b = cv::cuda::GpuMat(a.rows, a.cols / 2 + 1, CV_32FC2, d_b_data.ptr(), (a.cols / 2 + 1) * d_b_da…  in testR2CThenC2R()
274 …      d_c = cv::cuda::GpuMat(a.rows, a.cols, CV_32F, d_c_data.ptr(), a.cols * d_c_data.elemSize());  in testR2CThenC2R()
277         cv::cuda::dft(loadMat(a), d_b, cv::Size(cols, rows), 0);  in testR2CThenC2R()
278         cv::cuda::dft(d_b, d_c, cv::Size(cols, rows), cv::DFT_REAL_OUTPUT | cv::DFT_SCALE);  in testR2CThenC2R()
286         EXPECT_MAT_NEAR(a, c, rows * cols * 1e-5);  in testR2CThenC2R()
292     int cols = randomInt(2, 100);  in CUDA_TEST_P()  local
295     testR2CThenC2R("sanity", cols, rows, false);  in CUDA_TEST_P()
296     testR2CThenC2R("sanity 0 1", cols, rows + 1, false);  in CUDA_TEST_P()
297     testR2CThenC2R("sanity 1 0", cols + 1, rows, false);  in CUDA_TEST_P()
298     testR2CThenC2R("sanity 1 1", cols + 1, rows + 1, false);  in CUDA_TEST_P()
301     testR2CThenC2R("single row", cols, 1, false);  in CUDA_TEST_P()
302     testR2CThenC2R("single row 1", cols + 1, 1, false);  in CUDA_TEST_P()
304     testR2CThenC2R("sanity", cols, rows, true);  in CUDA_TEST_P()
305     testR2CThenC2R("sanity 0 1", cols, rows + 1, true);  in CUDA_TEST_P()
306     testR2CThenC2R("sanity 1 0", cols + 1, rows, true);  in CUDA_TEST_P()
307     testR2CThenC2R("sanity 1 1", cols + 1, rows + 1, true);  in CUDA_TEST_P()
308     testR2CThenC2R("single row", cols, 1, true);  in CUDA_TEST_P()
309     testR2CThenC2R("single row 1", cols + 1, 1, true);  in CUDA_TEST_P()
322         C.create(std::abs(A.rows - B.rows) + 1, std::abs(A.cols - B.cols) + 1, A.type());  in convolveDFT()
326         dftSize.width = cv::getOptimalDFTSize(A.cols + B.cols - 1);  in convolveDFT()
334         cv::Mat roiA(tempA, cv::Rect(0, 0, A.cols, A.rows));  in convolveDFT()
336         cv::Mat roiB(tempB, cv::Rect(0, 0, B.cols, B.rows));  in convolveDFT()
355         tempA(cv::Rect(0, 0, C.cols, C.rows)).copyTo(C);  in convolveDFT()