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Open Source Computer Vision Library
https://opencv.org/
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74 lines
1.5 KiB
74 lines
1.5 KiB
#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, const cv::Point3f& b) |
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{ |
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return (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y) + (a.z - b.z) * (a.z - b.z); |
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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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template <typename T> |
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static inline |
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T sqr(T x) |
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{ |
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return x * x; |
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} |
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#endif // __OPENCV_STITCHING_UTIL_INL_HPP__
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