vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
@@ -0,0 +1,168 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "test_precomp.hpp"
+
+using namespace cv;
+using namespace cv::cuda;
+using namespace cv::cudev;
+using namespace cvtest;
+
+////////////////////////////////////////////////////////////////////////////////
+// SqrtTest
+
+template <typename T>
+class SqrtTest : public ::testing::Test
+{
+public:
+    void test_gpumat()
+    {
+        const Size size = randomSize(100, 400);
+        const int type = DataType<T>::type;
+
+        Mat src = randomMat(size, type);
+
+        GpuMat_<T> d_src(src);
+
+        GpuMat_<T> dst = sqrt_(d_src);
+
+        Mat dst_gold;
+        cv::sqrt(src, dst_gold);
+
+        EXPECT_MAT_NEAR(dst_gold, dst, 1e-4);
+    }
+
+    void test_expr()
+    {
+        const Size size = randomSize(100, 400);
+        const int type = DataType<T>::type;
+
+        Mat src1 = randomMat(size, type);
+        Mat src2 = randomMat(size, type);
+
+        GpuMat_<T> d_src1(src1), d_src2(src2);
+
+        GpuMat_<T> dst = sqrt_(d_src1 * d_src2);
+
+        Mat dst_gold;
+        cv::multiply(src1, src2, dst_gold);
+        cv::sqrt(dst_gold, dst_gold);
+
+        EXPECT_MAT_NEAR(dst_gold, dst, 1e-4);
+    }
+};
+
+TYPED_TEST_CASE(SqrtTest, float);
+
+TYPED_TEST(SqrtTest, GpuMat)
+{
+    SqrtTest<TypeParam>::test_gpumat();
+}
+
+TYPED_TEST(SqrtTest, Expr)
+{
+    SqrtTest<TypeParam>::test_expr();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// MagnitudeTest
+
+template <typename T>
+class MagnitudeTest : public ::testing::Test
+{
+public:
+    void test_accuracy()
+    {
+        const Size size = randomSize(100, 400);
+        const int type = DataType<T>::type;
+
+        Mat src1 = randomMat(size, type);
+        Mat src2 = randomMat(size, type);
+
+        GpuMat_<T> d_src1(src1), d_src2(src2);
+
+        GpuMat_<T> dst1 = hypot_(d_src1, d_src2);
+        GpuMat_<T> dst2 = magnitude_(d_src1, d_src2);
+        GpuMat_<T> dst3 = sqrt_(sqr_(d_src1) + sqr_(d_src2));
+
+        EXPECT_MAT_NEAR(dst1, dst2, 1e-4);
+        EXPECT_MAT_NEAR(dst2, dst3, 0.0);
+    }
+};
+
+TYPED_TEST_CASE(MagnitudeTest, float);
+
+TYPED_TEST(MagnitudeTest, Accuracy)
+{
+    MagnitudeTest<TypeParam>::test_accuracy();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// PowTest
+
+template <typename T>
+class PowTest : public ::testing::Test
+{
+public:
+    void test_accuracy()
+    {
+        const Size size = randomSize(100, 400);
+        const int type = DataType<T>::type;
+
+        Mat src = randomMat(size, type);
+
+        GpuMat_<T> d_src(src);
+
+        GpuMat_<T> dst1 = pow_(d_src, 0.5);
+        GpuMat_<T> dst2 = sqrt_(d_src);
+
+        EXPECT_MAT_NEAR(dst1, dst2, 1e-5);
+    }
+};
+
+TYPED_TEST_CASE(PowTest, float);
+
+TYPED_TEST(PowTest, Accuracy)
+{
+    PowTest<TypeParam>::test_accuracy();
+}