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11 // For Open Source Computer Vision Library
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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:
test_gpumat()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
test_expr()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
TYPED_TEST(SqrtTest,GpuMat)97 TYPED_TEST(SqrtTest, GpuMat)
98 {
99 SqrtTest<TypeParam>::test_gpumat();
100 }
101
TYPED_TEST(SqrtTest,Expr)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:
test_accuracy()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
TYPED_TEST(MagnitudeTest,Accuracy)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:
test_accuracy()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
TYPED_TEST(PowTest,Accuracy)165 TYPED_TEST(PowTest, Accuracy)
166 {
167 PowTest<TypeParam>::test_accuracy();
168 }
169