EigenHelpers Class Reference

#include <EigenHelpers.h>

Collaboration diagram for EigenHelpers:

Static Public Member Functions
template<class VECTOR, class COVARIANCE>
static void	vectorToEigenMatrix (VECTOR &vec, COVARIANCE &cov, const char *)
	Helper fn to fill the covariance from the raw data (vec<float>)
template<class VECTOR, class COVARIANCE>
static void	eigenMatrixToVector (VECTOR &vec, COVARIANCE &cov, const char *)
	Helper fn to get raw data (vec<float>) from the covariance.
template<class T>
static void	vectorToEigenTransform3D (const T &vec, Amg::Transform3D &trans)
	Convert std :: vector<double> to Amg::Transform3D.
template<class T>
static void	eigenTransform3DToVector (const Amg::Transform3D &trans, T &vec)
	Convert HepGeom::Transform3D to std :: vector<double>

Detailed Description

Definition at line 13 of file EigenHelpers.h.

Member Function Documentation

eigenMatrixToVector()

template<class VECTOR, class COVARIANCE>

void EigenHelpers::eigenMatrixToVector ( VECTOR & vec, COVARIANCE & cov, const char *  )

inlinestatic

Helper fn to get raw data (vec<float>) from the covariance.

Parameters

VECTOR	the vector<float>
COVARIANCE	The eigen covariance matrix
NAME	The name of the convertor

Definition at line 30 of file EigenHelpers.h.

                                                                                     {                                                    
    Amg::compress(cov, vec);                                          
  }

eigenTransform3DToVector()

template<class T>

void EigenHelpers::eigenTransform3DToVector ( const Amg::Transform3D & trans, T & vec )

inlinestatic

Convert HepGeom::Transform3D to std :: vector<double>

Definition at line 55 of file EigenHelpers.h.

  {
    vec.reserve(12);
    vec.push_back( trans(0, 0) );
    vec.push_back( trans(0, 1) );
    vec.push_back( trans(0, 2) );
    vec.push_back( trans(1, 0) );
    vec.push_back( trans(1, 1) );
    vec.push_back( trans(1, 2) );
    vec.push_back( trans(2, 0) );
    vec.push_back( trans(2, 1) );
    vec.push_back( trans(2, 2) );
    vec.push_back( trans(0, 3) );
    vec.push_back( trans(1, 3) );
    vec.push_back( trans(2, 3) );
  }

vectorToEigenMatrix()

template<class VECTOR, class COVARIANCE>

void EigenHelpers::vectorToEigenMatrix ( VECTOR & vec, COVARIANCE & cov, const char *  )

inlinestatic

Helper fn to fill the covariance from the raw data (vec<float>)

Parameters

VECTOR	the vector<float>
COVARIANCE	The eigen covariance matrix
NAME	The name of the convertor

Definition at line 22 of file EigenHelpers.h.

                                                                                     {      
    Amg::expand(vec.begin(), vec.end(), cov);                                          
  }

vectorToEigenTransform3D()

template<class T>

void EigenHelpers::vectorToEigenTransform3D ( const T & vec, Amg::Transform3D & trans )

inlinestatic

Convert std :: vector<double> to Amg::Transform3D.

Definition at line 36 of file EigenHelpers.h.

  {
    trans(0, 0) = vec[0];
    trans(0, 1) = vec[1];
    trans(0, 2) = vec[2];
    trans(1, 0) = vec[3];
    trans(1, 1) = vec[4];
    trans(1, 2) = vec[5];
    trans(2, 0) = vec[6];
    trans(2, 1) = vec[7];
    trans(2, 2) = vec[8];
    trans(0, 3) = vec[9];
    trans(1, 3) = vec[10];
    trans(2, 3) = vec[11];
  }

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The documentation for this class was generated from the following file:

• EigenHelpers.h