FCL  0.6.0
Flexible Collision Library
variance3.h
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35 
38 #ifndef FCL_MATH_VARIANCE3_H
39 #define FCL_MATH_VARIANCE3_H
40 
41 #include <cmath>
42 
43 #include "fcl/common/types.h"
44 #include "fcl/math/geometry.h"
45 
46 namespace fcl
47 {
48 
50 template <typename S>
51 class Variance3
52 {
53 public:
55  Matrix3<S> Sigma;
56 
58  Vector3<S> sigma;
59 
61  Matrix3<S> axis;
62 
63  Variance3();
64 
65  Variance3(const Matrix3<S>& sigma);
66 
68  void init();
69 
73  Variance3<S>& sqrt();
74 };
75 
78 
79 } // namespace fcl
80 
81 #include "fcl/math/variance3-inl.h"
82 
83 #endif
Vector3< S > sigma
Variations along the eign axes.
Definition: variance3.h:58
Main namespace.
Definition: broadphase_bruteforce-inl.h:45
Matrix3< S > Sigma
Variation matrix.
Definition: variance3.h:55
Matrix3< S > axis
Matrix whose columns are eigenvectors of Sigma.
Definition: variance3.h:61
Variance3< S > & sqrt()
Compute the sqrt of Sigma matrix based on the eigen decomposition result, this is useful when the unc...
Definition: variance3-inl.h:73
Class for variance matrix in 3d.
Definition: variance3.h:51
void init()
init the Variance
Definition: variance3-inl.h:66