1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Copyright (C) 2013, OpenCV Foundation, all rights reserved. 16 // Third party copyrights are property of their respective owners. 17 // 18 // Redistribution and use in source and binary forms, with or without modification, 19 // are permitted provided that the following conditions are met: 20 // 21 // * Redistribution's of source code must retain the above copyright notice, 22 // this list of conditions and the following disclaimer. 23 // 24 // * Redistribution's in binary form must reproduce the above copyright notice, 25 // this list of conditions and the following disclaimer in the documentation 26 // and/or other materials provided with the distribution. 27 // 28 // * The name of the copyright holders may not be used to endorse or promote products 29 // derived from this software without specific prior written permission. 30 // 31 // This software is provided by the copyright holders and contributors "as is" and 32 // any express or implied warranties, including, but not limited to, the implied 33 // warranties of merchantability and fitness for a particular purpose are disclaimed. 34 // In no event shall the Intel Corporation or contributors be liable for any direct, 35 // indirect, incidental, special, exemplary, or consequential damages 36 // (including, but not limited to, procurement of substitute goods or services; 37 // loss of use, data, or profits; or business interruption) however caused 38 // and on any theory of liability, whether in contract, strict liability, 39 // or tort (including negligence or otherwise) arising in any way out of 40 // the use of this software, even if advised of the possibility of such damage. 41 // 42 //M*/ 43 44 #include "test_precomp.hpp" 45 46 using namespace cv; 47 using namespace cv::cuda; 48 using namespace cv::cudev; 49 using namespace cvtest; 50 51 //////////////////////////////////////////////////////////////////////////////// 52 // SqrtTest 53 54 template <typename T> 55 class SqrtTest : public ::testing::Test 56 { 57 public: 58 void test_gpumat() 59 { 60 const Size size = randomSize(100, 400); 61 const int type = DataType<T>::type; 62 63 Mat src = randomMat(size, type); 64 65 GpuMat_<T> d_src(src); 66 67 GpuMat_<T> dst = sqrt_(d_src); 68 69 Mat dst_gold; 70 cv::sqrt(src, dst_gold); 71 72 EXPECT_MAT_NEAR(dst_gold, dst, 1e-4); 73 } 74 75 void test_expr() 76 { 77 const Size size = randomSize(100, 400); 78 const int type = DataType<T>::type; 79 80 Mat src1 = randomMat(size, type); 81 Mat src2 = randomMat(size, type); 82 83 GpuMat_<T> d_src1(src1), d_src2(src2); 84 85 GpuMat_<T> dst = sqrt_(d_src1 * d_src2); 86 87 Mat dst_gold; 88 cv::multiply(src1, src2, dst_gold); 89 cv::sqrt(dst_gold, dst_gold); 90 91 EXPECT_MAT_NEAR(dst_gold, dst, 1e-4); 92 } 93 }; 94 95 TYPED_TEST_CASE(SqrtTest, float); 96 97 TYPED_TEST(SqrtTest, GpuMat) 98 { 99 SqrtTest<TypeParam>::test_gpumat(); 100 } 101 102 TYPED_TEST(SqrtTest, Expr) 103 { 104 SqrtTest<TypeParam>::test_expr(); 105 } 106 107 //////////////////////////////////////////////////////////////////////////////// 108 // MagnitudeTest 109 110 template <typename T> 111 class MagnitudeTest : public ::testing::Test 112 { 113 public: 114 void test_accuracy() 115 { 116 const Size size = randomSize(100, 400); 117 const int type = DataType<T>::type; 118 119 Mat src1 = randomMat(size, type); 120 Mat src2 = randomMat(size, type); 121 122 GpuMat_<T> d_src1(src1), d_src2(src2); 123 124 GpuMat_<T> dst1 = hypot_(d_src1, d_src2); 125 GpuMat_<T> dst2 = magnitude_(d_src1, d_src2); 126 GpuMat_<T> dst3 = sqrt_(sqr_(d_src1) + sqr_(d_src2)); 127 128 EXPECT_MAT_NEAR(dst1, dst2, 1e-4); 129 EXPECT_MAT_NEAR(dst2, dst3, 0.0); 130 } 131 }; 132 133 TYPED_TEST_CASE(MagnitudeTest, float); 134 135 TYPED_TEST(MagnitudeTest, Accuracy) 136 { 137 MagnitudeTest<TypeParam>::test_accuracy(); 138 } 139 140 //////////////////////////////////////////////////////////////////////////////// 141 // PowTest 142 143 template <typename T> 144 class PowTest : public ::testing::Test 145 { 146 public: 147 void test_accuracy() 148 { 149 const Size size = randomSize(100, 400); 150 const int type = DataType<T>::type; 151 152 Mat src = randomMat(size, type); 153 154 GpuMat_<T> d_src(src); 155 156 GpuMat_<T> dst1 = pow_(d_src, 0.5); 157 GpuMat_<T> dst2 = sqrt_(d_src); 158 159 EXPECT_MAT_NEAR(dst1, dst2, 1e-5); 160 } 161 }; 162 163 TYPED_TEST_CASE(PowTest, float); 164 165 TYPED_TEST(PowTest, Accuracy) 166 { 167 PowTest<TypeParam>::test_accuracy(); 168 } 169
