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refactoring of copy_non_nans

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This commit is contained in:
Anatoly Baksheev
2013-06-11 18:38:20 +04:00
parent da32ca4948
commit 1ae5918fa8
3 changed files with 69 additions and 68 deletions
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25
modules/viz/include/opencv2/viz/types.hpp
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@@ -1,7 +1,6 @@
#pragma once
#include <vector>
#include <boost/concept_check.hpp>
#include <opencv2/core/cvdef.h>
#include <opencv2/core.hpp>
#include <opencv2/core/affine.hpp>
@@ -30,6 +29,8 @@ namespace temp_viz
typedef cv::Size Size;
typedef cv::Point Point;
typedef cv::InputArray InputArray;
using cv::Point3_;
using cv::Vec;
@@ -90,17 +91,21 @@ namespace temp_viz
Vec3d operator*(const Affine3f& affine, const Vec3d& vec);
inline bool isNaN( float x )
inline bool isNan(float x)
{
unsigned int *u = (reinterpret_cast<unsigned int *>(&x));
return ((u[0] & 0x7f800000) == 0x7f800000) && (u[0] & 0x007fffff);
unsigned int *u = reinterpret_cast<unsigned int *>(&x);
return ((u[0] & 0x7f800000) == 0x7f800000) && (u[0] & 0x007fffff);
}
inline bool isNaN( double x )
inline bool isNan(double x)
{
// Here u has two elements
unsigned int *u = (reinterpret_cast<unsigned int *>(&x));
return (u[1] & 0x7ff00000) == 0x7ff00000 &&
(u[0] != 0 || (u[1] & 0x000fffff) != 0);
}
unsigned int *u = reinterpret_cast<unsigned int *>(&x);
return (u[1] & 0x7ff00000) == 0x7ff00000 && (u[0] != 0 || (u[1] & 0x000fffff) != 0);
}
template<typename _Tp, int cn> inline bool isNan(const Vec<_Tp, cn>& v)
{ return isNan(v.val[0]) || isNan(v.val[1]) || isNan(v.val[2]); }
template<typename _Tp> inline bool isNan(const Point3_<_Tp>& p)
{ return isNan(p.x) || isNan(p.y) || isNan(p.z); }
}