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Math_Tools.cc
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50 
51 
52 //=============================================================================
53 //
54 // Math_Tools - IMPLEMENTATION
55 //
56 //=============================================================================
57 
58 #define MATH_TOOLS_C
59 
60 //== INCLUDES =================================================================
61 
62 #include "Math_Tools.hh"
63 #include <OpenMesh/Core/Geometry/MathDefs.hh>
64 
65 //== NAMESPACES ===============================================================
66 
67 namespace MathTools {
68 
69 template < typename VectorT >
70 inline
71 void
72 sane_normalize( VectorT & _vec ) {
73 
74  // Normalize all vectors (Save version)
75  if ( ! OpenMesh::is_zero( _vec.sqrnorm() ) )
76  _vec.normalize();
77  else
78  _vec = VectorT(0.0,0.0,0.0);
79 }
80 
82 template < typename VectorT >
83 inline
84 VectorT
85 sane_normalized( VectorT _vec) {
86  // Normalize all vectors (Save version)
87  if ( ! OpenMesh::is_zero( _vec.sqrnorm() ) )
88  return (_vec.normalize());
89  else
90  return ( VectorT(0.0,0.0,0.0) );
91 }
92 
93 
94 
95 //=============================================================================
96 } // namespace MathTools
97 //=============================================================================
bool is_zero(const T &_a, Real _eps)
Definition: MathDefs.hh:66