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implemented copy_non_nans, isnan

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This commit is contained in:
ozantonkal
2013-06-11 10:48:48 +02:00
parent c4fe98977a
commit abdc022b20
4 changed files with 108 additions and 64 deletions
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modules/viz/include/opencv2/viz/types.hpp
+9 -6
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@@ -14,7 +14,9 @@ namespace temp_viz
typedef std::string String;
typedef cv::Vec3d Vec3d;
typedef cv::Vec3f Vec3f;
typedef cv::Vec4d Vec4d;
typedef cv::Vec4f Vec4f;
typedef cv::Vec2d Vec2d;
typedef cv::Vec2i Vec2i;
typedef cv::Vec3b Vec3b;
@@ -86,18 +88,19 @@ namespace temp_viz
template<typename _Tp> inline _Tp normalized(const _Tp& v) { return v * 1/cv::norm(v); }
Point3d operator*(const Affine3f& affine, const Point3d& point);
Vec3d operator*(const Affine3f& affine, const Vec3d& vec);
inline bool isNaN( float x )
{
union { float f; unsigned int u; } v = { x };
return ((v.u & 0x7f800000) == 0x7f800000) && (v.u & 0x007fffff);
unsigned int *u = (reinterpret_cast<unsigned int *>(&x));
return ((u[0] & 0x7f800000) == 0x7f800000) && (u[0] & 0x007fffff);
}
inline bool isNaN( double x )
{
union { double d; unsigned int u[2]; } v = { x };
return (v.u[1] & 0x7ff00000) == 0x7ff00000 &&
(v.u[0] != 0 || (v.u[1] & 0x000fffff) != 0);
// 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);
}
}