util_inl.hpp
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42 
43 #ifndef __OPENCV_STITCHING_UTIL_INL_HPP__
44 #define __OPENCV_STITCHING_UTIL_INL_HPP__
45 
46 #include <queue>
47 #include "opencv2/core/core.hpp"
48 #include "util.hpp" // Make your IDE see declarations
49 
50 namespace cv {
51 namespace detail {
52 
53 template <typename B>
54 B Graph::forEach(B body) const
55 {
56  for (int i = 0; i < numVertices(); ++i)
57  {
58  std::list<GraphEdge>::const_iterator edge = edges_[i].begin();
59  for (; edge != edges_[i].end(); ++edge)
60  body(*edge);
61  }
62  return body;
63 }
64 
65 
66 template <typename B>
67 B Graph::walkBreadthFirst(int from, B body) const
68 {
69  std::vector<bool> was(numVertices(), false);
70  std::queue<int> vertices;
71 
72  was[from] = true;
73  vertices.push(from);
74 
75  while (!vertices.empty())
76  {
77  int vertex = vertices.front();
78  vertices.pop();
79 
80  std::list<GraphEdge>::const_iterator edge = edges_[vertex].begin();
81  for (; edge != edges_[vertex].end(); ++edge)
82  {
83  if (!was[edge->to])
84  {
85  body(*edge);
86  was[edge->to] = true;
87  vertices.push(edge->to);
88  }
89  }
90  }
91 
92  return body;
93 }
94 
95 
97 // Some auxiliary math functions
98 
99 static inline
100 float normL2(const Point3f& a)
101 {
102  return a.x * a.x + a.y * a.y + a.z * a.z;
103 }
104 
105 
106 static inline
107 float normL2(const Point3f& a, const Point3f& b)
108 {
109  return normL2(a - b);
110 }
111 
112 
113 static inline
114 double normL2sq(const Mat &r)
115 {
116  return r.dot(r);
117 }
118 
119 
120 static inline int sqr(int x) { return x * x; }
121 static inline float sqr(float x) { return x * x; }
122 static inline double sqr(double x) { return x * x; }
123 
124 } // namespace detail
125 } // namespace cv
126 
127 #endif // __OPENCV_STITCHING_UTIL_INL_HPP__
GLdouble GLdouble GLdouble r
B walkBreadthFirst(int from, B body) const
Definition: util_inl.hpp:67
_Tp y
Definition: core.hpp:805
_Tp z
Definition: core.hpp:805
CV_EXPORTS void sqr(const GpuMat &src, GpuMat &dst, Stream &stream=Stream::Null())
B forEach(B body) const
Definition: util_inl.hpp:54
const CvPoint2D32f vertex[4]
Definition: legacy.hpp:1070
CvPoint2D32f CvSubdiv2DEdge * edge
Definition: legacy.hpp:2954
template 3D point class.
Definition: core.hpp:777
int numVertices() const
Definition: util.hpp:134
GLenum GLint x
Definition: core_c.h:632
_Tp x
Definition: core.hpp:805
The Core Functionality.
GLboolean GLboolean GLboolean b
Definition: legacy.hpp:633
GLboolean GLboolean GLboolean GLboolean a
Definition: legacy.hpp:633
int x
Definition: highgui_c.h:186
const CvMat * B
Definition: calib3d.hpp:161