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120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef __OPENCV_STITCHING_UTIL_INL_HPP__
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#define __OPENCV_STITCHING_UTIL_INL_HPP__
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#include <queue>
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#include "util.hpp" // Make your IDE see declarations
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template <typename B>
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B Graph::forEach(B body) const
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{
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for (int i = 0; i < numVertices(); ++i)
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{
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std::list<GraphEdge>::const_iterator edge = edges_[i].begin();
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for (; edge != edges_[i].end(); ++edge)
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body(*edge);
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}
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return body;
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}
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template <typename B>
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B Graph::walkBreadthFirst(int from, B body) const
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{
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std::vector<bool> was(numVertices(), false);
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std::queue<int> vertices;
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was[from] = true;
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vertices.push(from);
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while (!vertices.empty())
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{
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int vertex = vertices.front();
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vertices.pop();
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std::list<GraphEdge>::const_iterator edge = edges_[vertex].begin();
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for (; edge != edges_[vertex].end(); ++edge)
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{
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if (!was[edge->to])
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{
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body(*edge);
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was[edge->to] = true;
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vertices.push(edge->to);
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}
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}
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}
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return body;
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}
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//////////////////////////////////////////////////////////////////////////////
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// Some auxiliary math functions
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static inline
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float normL2(const cv::Point3f& a)
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{
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return a.x * a.x + a.y * a.y + a.z * a.z;
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}
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static inline
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float normL2(const cv::Point3f& a, const cv::Point3f& b)
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{
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return normL2(a - b);
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}
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static inline
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double normL2sq(const cv::Mat &r)
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{
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return r.dot(r);
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}
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static inline int sqr(int x) { return x * x; }
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static inline float sqr(float x) { return x * x; }
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static inline double sqr(double x) { return x * x; }
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#endif // __OPENCV_STITCHING_UTIL_INL_HPP__
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