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 // Copyright (C) 2015, Itseez Inc., all rights reserved. 17 // Third party copyrights are property of their respective owners. 18 // 19 // Redistribution and use in source and binary forms, with or without modification, 20 // are permitted provided that the following conditions are met: 21 // 22 // * Redistribution's of source code must retain the above copyright notice, 23 // this list of conditions and the following disclaimer. 24 // 25 // * Redistribution's in binary form must reproduce the above copyright notice, 26 // this list of conditions and the following disclaimer in the documentation 27 // and/or other materials provided with the distribution. 28 // 29 // * The name of the copyright holders may not be used to endorse or promote products 30 // derived from this software without specific prior written permission. 31 // 32 // This software is provided by the copyright holders and contributors "as is" and 33 // any express or implied warranties, including, but not limited to, the implied 34 // warranties of merchantability and fitness for a particular purpose are disclaimed. 35 // In no event shall the Intel Corporation or contributors be liable for any direct, 36 // indirect, incidental, special, exemplary, or consequential damages 37 // (including, but not limited to, procurement of substitute goods or services; 38 // loss of use, data, or profits; or business interruption) however caused 39 // and on any theory of liability, whether in contract, strict liability, 40 // or tort (including negligence or otherwise) arising in any way out of 41 // the use of this software, even if advised of the possibility of such damage. 42 // 43 //M*/ 44 45 #ifndef __OPENCV_HAL_HPP__ 46 #define __OPENCV_HAL_HPP__ 47 48 #include "opencv2/hal/defs.h" 49 50 /** 51 @defgroup hal Hardware Acceleration Layer 52 */ 53 54 namespace cv { namespace hal { 55 56 namespace Error { 57 58 enum 59 { 60 Ok = 0, 61 Unknown = -1 62 }; 63 64 } 65 66 int normHamming(const uchar* a, int n); 67 int normHamming(const uchar* a, const uchar* b, int n); 68 69 int normHamming(const uchar* a, int n, int cellSize); 70 int normHamming(const uchar* a, const uchar* b, int n, int cellSize); 71 72 //////////////////////////////// low-level functions //////////////////////////////// 73 74 int LU(float* A, size_t astep, int m, float* b, size_t bstep, int n); 75 int LU(double* A, size_t astep, int m, double* b, size_t bstep, int n); 76 bool Cholesky(float* A, size_t astep, int m, float* b, size_t bstep, int n); 77 bool Cholesky(double* A, size_t astep, int m, double* b, size_t bstep, int n); 78 79 int normL1_(const uchar* a, const uchar* b, int n); 80 float normL1_(const float* a, const float* b, int n); 81 float normL2Sqr_(const float* a, const float* b, int n); 82 83 void exp(const float* src, float* dst, int n); 84 void exp(const double* src, double* dst, int n); 85 void log(const float* src, float* dst, int n); 86 void log(const double* src, double* dst, int n); 87 88 void fastAtan2(const float* y, const float* x, float* dst, int n, bool angleInDegrees); 89 void magnitude(const float* x, const float* y, float* dst, int n); 90 void magnitude(const double* x, const double* y, double* dst, int n); 91 void sqrt(const float* src, float* dst, int len); 92 void sqrt(const double* src, double* dst, int len); 93 void invSqrt(const float* src, float* dst, int len); 94 void invSqrt(const double* src, double* dst, int len); 95 96 }} //cv::hal 97 98 #endif //__OPENCV_HAL_HPP__ 99