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 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #ifndef __OPENCV_STITCHING_UTIL_INL_HPP__ 44 #define __OPENCV_STITCHING_UTIL_INL_HPP__ 45 46 #include <queue> 47 #include "opencv2/core.hpp" 48 #include "util.hpp" // Make your IDE see declarations 49 50 //! @cond IGNORED 51 52 namespace cv { 53 namespace detail { 54 55 template <typename B> 56 B Graph::forEach(B body) const 57 { 58 for (int i = 0; i < numVertices(); ++i) 59 { 60 std::list<GraphEdge>::const_iterator edge = edges_[i].begin(); 61 for (; edge != edges_[i].end(); ++edge) 62 body(*edge); 63 } 64 return body; 65 } 66 67 68 template <typename B> 69 B Graph::walkBreadthFirst(int from, B body) const 70 { 71 std::vector<bool> was(numVertices(), false); 72 std::queue<int> vertices; 73 74 was[from] = true; 75 vertices.push(from); 76 77 while (!vertices.empty()) 78 { 79 int vertex = vertices.front(); 80 vertices.pop(); 81 82 std::list<GraphEdge>::const_iterator edge = edges_[vertex].begin(); 83 for (; edge != edges_[vertex].end(); ++edge) 84 { 85 if (!was[edge->to]) 86 { 87 body(*edge); 88 was[edge->to] = true; 89 vertices.push(edge->to); 90 } 91 } 92 } 93 94 return body; 95 } 96 97 98 ////////////////////////////////////////////////////////////////////////////// 99 // Some auxiliary math functions 100 101 static inline 102 float normL2(const Point3f& a) 103 { 104 return a.x * a.x + a.y * a.y + a.z * a.z; 105 } 106 107 108 static inline 109 float normL2(const Point3f& a, const Point3f& b) 110 { 111 return normL2(a - b); 112 } 113 114 115 static inline 116 double normL2sq(const Mat &r) 117 { 118 return r.dot(r); 119 } 120 121 122 static inline int sqr(int x) { return x * x; } 123 static inline float sqr(float x) { return x * x; } 124 static inline double sqr(double x) { return x * x; } 125 126 } // namespace detail 127 } // namespace cv 128 129 //! @endcond 130 131 #endif // __OPENCV_STITCHING_UTIL_INL_HPP__ 132
