PassengerStatistics/3rdparty/libopencv/include/opencv2/stitching/detail/util_inl.hpp
2024-03-13 18:01:36 +08:00

132 lines
3.8 KiB
C++

/*M///////////////////////////////////////////////////////////////////////////////////////
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#ifndef OPENCV_STITCHING_UTIL_INL_HPP
#define OPENCV_STITCHING_UTIL_INL_HPP
#include <queue>
#include "opencv2/core.hpp"
#include "util.hpp" // Make your IDE see declarations
//! @cond IGNORED
namespace cv {
namespace detail {
template <typename B>
B Graph::forEach(B body) const
{
for (int i = 0; i < numVertices(); ++i)
{
std::list<GraphEdge>::const_iterator edge = edges_[i].begin();
for (; edge != edges_[i].end(); ++edge)
body(*edge);
}
return body;
}
template <typename B>
B Graph::walkBreadthFirst(int from, B body) const
{
std::vector<bool> was(numVertices(), false);
std::queue<int> vertices;
was[from] = true;
vertices.push(from);
while (!vertices.empty())
{
int vertex = vertices.front();
vertices.pop();
std::list<GraphEdge>::const_iterator edge = edges_[vertex].begin();
for (; edge != edges_[vertex].end(); ++edge)
{
if (!was[edge->to])
{
body(*edge);
was[edge->to] = true;
vertices.push(edge->to);
}
}
}
return body;
}
//////////////////////////////////////////////////////////////////////////////
// Some auxiliary math functions
static inline
float normL2(const Point3f& a)
{
return a.x * a.x + a.y * a.y + a.z * a.z;
}
static inline
float normL2(const Point3f& a, const Point3f& b)
{
return normL2(a - b);
}
static inline
double normL2sq(const Mat &r)
{
return r.dot(r);
}
static inline int sqr(int x) { return x * x; }
static inline float sqr(float x) { return x * x; }
static inline double sqr(double x) { return x * x; }
} // namespace detail
} // namespace cv
//! @endcond
#endif // OPENCV_STITCHING_UTIL_INL_HPP