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75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
#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 &m)
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{
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return m.dot(m);
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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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