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) 2013, OpenCV Foundation, all rights reserved. 14 // Third party copyrights are property of their respective owners. 15 // 16 // Redistribution and use in source and binary forms, with or without modification, 17 // are permitted provided that the following conditions are met: 18 // 19 // * Redistribution's of source code must retain the above copyright notice, 20 // this list of conditions and the following disclaimer. 21 // 22 // * Redistribution's in binary form must reproduce the above copyright notice, 23 // this list of conditions and the following disclaimer in the documentation 24 // and/or other materials provided with the distribution. 25 // 26 // * The name of the copyright holders may not be used to endorse or promote products 27 // derived from this software without specific prior written permission. 28 // 29 // This software is provided by the copyright holders and contributors "as is" and 30 // any express or implied warranties, including, but not limited to, the implied 31 // warranties of merchantability and fitness for a particular purpose are disclaimed. 32 // In no event shall the OpenCV Foundation or contributors be liable for any direct, 33 // indirect, incidental, special, exemplary, or consequential damages 34 // (including, but not limited to, procurement of substitute goods or services; 35 // loss of use, data, or profits; or business interruption) however caused 36 // and on any theory of liability, whether in contract, strict liability, 37 // or tort (including negligence or otherwise) arising in any way out of 38 // the use of this software, even if advised of the possibility of such damage. 39 // 40 //M*/ 41 42 #include "test_precomp.hpp" 43 #include "opencv2/hal.hpp" 44 45 using namespace cv; 46 47 enum 48 { 49 HAL_EXP = 0, 50 HAL_LOG = 1, 51 HAL_SQRT = 2 52 }; 53 54 TEST(Core_HAL, mathfuncs) 55 { 56 for( int hcase = 0; hcase < 6; hcase++ ) 57 { 58 int depth = hcase % 2 == 0 ? CV_32F : CV_64F; 59 double eps = depth == CV_32F ? 1e-5 : 1e-10; 60 int nfunc = hcase / 2; 61 int n = 100; 62 63 Mat src(1, n, depth), dst(1, n, depth), dst0(1, n, depth); 64 randu(src, 1, 10); 65 66 double min_hal_t = DBL_MAX, min_ocv_t = DBL_MAX; 67 68 for( int iter = 0; iter < 10; iter++ ) 69 { 70 double t = (double)getTickCount(); 71 switch (nfunc) 72 { 73 case HAL_EXP: 74 if( depth == CV_32F ) 75 hal::exp(src.ptr<float>(), dst.ptr<float>(), n); 76 else 77 hal::exp(src.ptr<double>(), dst.ptr<double>(), n); 78 break; 79 case HAL_LOG: 80 if( depth == CV_32F ) 81 hal::log(src.ptr<float>(), dst.ptr<float>(), n); 82 else 83 hal::log(src.ptr<double>(), dst.ptr<double>(), n); 84 break; 85 case HAL_SQRT: 86 if( depth == CV_32F ) 87 hal::sqrt(src.ptr<float>(), dst.ptr<float>(), n); 88 else 89 hal::sqrt(src.ptr<double>(), dst.ptr<double>(), n); 90 break; 91 default: 92 CV_Error(Error::StsBadArg, "unknown function"); 93 } 94 t = (double)getTickCount() - t; 95 min_hal_t = std::min(min_hal_t, t); 96 97 t = (double)getTickCount(); 98 switch (nfunc) 99 { 100 case HAL_EXP: 101 exp(src, dst0); 102 break; 103 case HAL_LOG: 104 log(src, dst0); 105 break; 106 case HAL_SQRT: 107 pow(src, 0.5, dst0); 108 break; 109 default: 110 CV_Error(Error::StsBadArg, "unknown function"); 111 } 112 t = (double)getTickCount() - t; 113 min_ocv_t = std::min(min_ocv_t, t); 114 } 115 EXPECT_LE(norm(dst, dst0, NORM_INF | NORM_RELATIVE), eps); 116 117 double freq = getTickFrequency(); 118 printf("%s (N=%d, %s): hal time=%.2fusec, ocv time=%.2fusec\n", 119 (nfunc == HAL_EXP ? "exp" : nfunc == HAL_LOG ? "log" : nfunc == HAL_SQRT ? "sqrt" : "???"), 120 n, (depth == CV_32F ? "f32" : "f64"), min_hal_t*1e6/freq, min_ocv_t*1e6/freq); 121 } 122 } 123 124 enum 125 { 126 HAL_LU = 0, 127 HAL_CHOL = 1 128 }; 129 130 TEST(Core_HAL, mat_decomp) 131 { 132 for( int hcase = 0; hcase < 16; hcase++ ) 133 { 134 int depth = hcase % 2 == 0 ? CV_32F : CV_64F; 135 int size = (hcase / 2) % 4; 136 size = size == 0 ? 3 : size == 1 ? 4 : size == 2 ? 6 : 15; 137 int nfunc = (hcase / 8); 138 double eps = depth == CV_32F ? 1e-5 : 1e-10; 139 140 if( size == 3 ) 141 continue; 142 143 Mat a0(size, size, depth), a(size, size, depth), b(size, 1, depth), x(size, 1, depth), x0(size, 1, depth); 144 randu(a0, -1, 1); 145 a0 = a0*a0.t(); 146 randu(b, -1, 1); 147 148 double min_hal_t = DBL_MAX, min_ocv_t = DBL_MAX; 149 size_t asize = size*size*a.elemSize(); 150 size_t bsize = size*b.elemSize(); 151 152 for( int iter = 0; iter < 10; iter++ ) 153 { 154 memcpy(x.ptr(), b.ptr(), bsize); 155 memcpy(a.ptr(), a0.ptr(), asize); 156 157 double t = (double)getTickCount(); 158 switch (nfunc) 159 { 160 case HAL_LU: 161 if( depth == CV_32F ) 162 hal::LU(a.ptr<float>(), a.step, size, x.ptr<float>(), x.step, 1); 163 else 164 hal::LU(a.ptr<double>(), a.step, size, x.ptr<double>(), x.step, 1); 165 break; 166 case HAL_CHOL: 167 if( depth == CV_32F ) 168 hal::Cholesky(a.ptr<float>(), a.step, size, x.ptr<float>(), x.step, 1); 169 else 170 hal::Cholesky(a.ptr<double>(), a.step, size, x.ptr<double>(), x.step, 1); 171 break; 172 default: 173 CV_Error(Error::StsBadArg, "unknown function"); 174 } 175 t = (double)getTickCount() - t; 176 min_hal_t = std::min(min_hal_t, t); 177 178 t = (double)getTickCount(); 179 solve(a0, b, x0, (nfunc == HAL_LU ? DECOMP_LU : DECOMP_CHOLESKY)); 180 t = (double)getTickCount() - t; 181 min_ocv_t = std::min(min_ocv_t, t); 182 } 183 //std::cout << "x: " << Mat(x.t()) << std::endl; 184 //std::cout << "x0: " << Mat(x0.t()) << std::endl; 185 186 EXPECT_LE(norm(x, x0, NORM_INF | NORM_RELATIVE), eps); 187 188 double freq = getTickFrequency(); 189 printf("%s (%d x %d, %s): hal time=%.2fusec, ocv time=%.2fusec\n", 190 (nfunc == HAL_LU ? "LU" : nfunc == HAL_CHOL ? "Cholesky" : "???"), 191 size, size, 192 (depth == CV_32F ? "f32" : "f64"), 193 min_hal_t*1e6/freq, min_ocv_t*1e6/freq); 194 } 195 } 196
