FitParams Class Reference

Class to store and manage fitparams (statevector) More...

#include <FitParams.h>

Collaboration diagram for FitParams:

Public Types
typedef std::vector< std::pair< const ParticleBase *, int > >	indexmap
	index map

Public Member Functions
	FitParams (const int dim)
	Constructor.
	~FitParams ()
	Destructor.
	FitParams (const FitParams &toCopy)
	copy constructor
FitParams &	operator= (const FitParams &other)
	Assignment operator.
Eigen::Matrix< double, -1, -1, 0, MAX_MATRIX_SIZE, MAX_MATRIX_SIZE > &	getCovariance ()
	getter for the states covariance
const Eigen::Matrix< double, -1, -1, 0, MAX_MATRIX_SIZE, MAX_MATRIX_SIZE > &	getCovariance () const
	const getter for the states covariance
Eigen::Matrix< double, -1, 1, 0, MAX_MATRIX_SIZE, 1 > &	getStateVector ()
	getter for the fit parameters/statevector
const Eigen::Matrix< double, -1, 1, 0, MAX_MATRIX_SIZE, 1 > &	getStateVector () const
	const getter for the fit parameters/statevector
double &	getRefToElementOfStateVec (int row)
	get a reference to an element of the state vector todo replace by setter?
const double &	getRefToElementOfStateVec (int row) const
	get a const reference to an element of the state vector todo replace by setter?
double	getCovDiaElement (int counter)
	get an covaraince diagonal element
void	resetStateVector ()
	reset the staevector
void	resetCovariance ()
	reset the staevector
void	resizeAndResetStateAndCov (int newdim)
	resize and reset statevec and its covariance
int	getDimensionOfState () const
	get the states dimension
int	getNConstraints ()
	get dimension sum of constraints
bool	testCovariance () const
	test if the covariance makes sense
int &	incrementNConstraintsVec (int row)
	increment nconstraints vec
int &	nConstraintsVec (int row)
	returns a reference(!) to the number of constraints for rows parameter. More...
int	dim () const
	get dimension od statevector
double	chiSquare () const
	get chi2 of statevector
int	nConstraints () const
	get number of constraints
int	nDof () const
	get numer of degrees of freedom
void	resize (int newdim)
	resize (enlarge!) the statevector
void	resetPar ()
	set statevector elements to 0
bool	testCov () const
	check if global cov makes sense
void	addNConstraint (int value)
	some constraints are special the geometric for example
void	addChiSquare (double chisq, int nconstraints)
	increment global chi2
void	resetChiSquare ()
	reset chi2

Protected Member Functions
	FitParams ()
	constructor

Private Attributes
int	m_dim
	dimension of statevector
double	m_chiSquare
	chi2
int	m_nConstraints
	number of conatraints
int	m_dimensionReduction
	reduce the ndf used in the chi2 by this count
std::vector< int >	m_nConstraintsVec
	vector with the number of constraints per parameter
Eigen::Matrix< double, -1, 1, 0, MAX_MATRIX_SIZE, 1 >	m_globalState
	vector holding all parameters of this fit
Eigen::Matrix< double, -1, -1, 0, MAX_MATRIX_SIZE, MAX_MATRIX_SIZE >	m_globalCovariance
	covariance of the global state

Detailed Description

Class to store and manage fitparams (statevector)

Definition at line 20 of file FitParams.h.

Member Function Documentation

nConstraintsVec()

int& nConstraintsVec ( int  row )

inline

returns a reference(!) to the number of constraints for rows parameter.

Used to reset that value.

Definition at line 104 of file FitParams.h.

{ return m_nConstraintsVec[row - 1]; }

---

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

• analysis/VertexFitting/TreeFitter/include/FitParams.h
• analysis/VertexFitting/TreeFitter/src/FitParams.cc