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* Added "Dist" and "Dist2" functions to the Vec3d class

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This commit is contained in:
Philippose Rajan 2009-07-11 20:59:02 +00:00
parent 87e74276f3
commit dd5ae2c395
1 changed files with 11 additions and 0 deletions
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11
libsrc/gprim/geom3d.hpp
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@ -255,6 +255,17 @@ public:
double Length2() const double Length2() const
{ return x[0] * x[0] + x[1] * x[1] + x[2] * x[2]; } { return x[0] * x[0] + x[1] * x[1] + x[2] * x[2]; }
///
inline friend double Dist (const Vec3d & v1, const Vec3d & v2)
{ return sqrt ( (v1.x[0]-v2.x[0]) * (v1.x[0]-v2.x[0]) +
(v1.x[1]-v2.x[1]) * (v1.x[1]-v2.x[1]) +
(v1.x[2]-v2.x[2]) * (v1.x[2]-v2.x[2])); }
///
inline friend double Dist2 (const Vec3d & v1, const Vec3d & v2)
{ return ( (v1.x[0]-v2.x[0]) * (v1.x[0]-v2.x[0]) +
(v1.x[1]-v2.x[1]) * (v1.x[1]-v2.x[1]) +
(v1.x[2]-v2.x[2]) * (v1.x[2]-v2.x[2])); }
/// ///
Vec3d & operator+= (const Vec3d & v2); Vec3d & operator+= (const Vec3d & v2);
/// ///