this class More...

#include <FitManager.h>

Collaboration diagram for FitManager:

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Public Types
enum	VertexStatus { Success = 0 , NonConverged , BadInput , Failed , UnFitted }
	status flag of the fit-itereation (the step in the newton method)

Public Member Functions
	FitManager ()
	constructor

	FitManager (Belle2::Particle *particle, const ConstraintConfiguration &config, double prec=0.01, bool updateDaughters=false, const bool useReferencing=false)
	constructor

	FitManager (const FitManager &other)=delete
	use default copy constructor

FitManager &	operator= (const FitManager &other)=delete
	use default assignment op

	~FitManager ()
	destructor does stuff

bool	fit ()
	main fit function that uses the kalman filter

bool	updateCand (Belle2::Particle &particle, const bool isTreeHead) const
	update particles parameters with the fit results

void	updateCand (const ParticleBase &pb, Belle2::Particle &cand, const bool isTreeHead) const
	locate particle base for a belle2 particle and update the particle with the values from particle base

void	updateTree (Belle2::Particle &particle, const bool isTreeHead) const
	update the Belle2::Particles with the fit results

void	getCovFromPB (const ParticleBase *pb, TMatrixFSym &returncov) const
	extract cov from particle base

std::tuple< double, double >	getLifeTime (Belle2::Particle &cand) const
	get lifetime

std::tuple< double, double >	getDecayLength (const ParticleBase *pb) const
	get decay length

std::tuple< double, double >	getDecayLength (const ParticleBase *pb, const FitParams &fitparams) const
	get decay length

std::tuple< double, double >	getDecayLength (Belle2::Particle &cand) const
	get decay length

Belle2::Particle *	particle ()
	getter for the head of the tree

Private Attributes
Belle2::Particle *	m_particle
	head of the tree

DecayChain *	m_decaychain
	the decay tree

int	m_status
	status of the current iteration

double	m_chiSquare
	chi2 of the current iteration

double	m_prec
	precision that is needed for status:converged (delta chi2)

ErrCode	m_errCode
	errorcode

const bool	m_updateDaugthers
	if this is set all daughters will be updated otherwise only the head of the tree

int	m_ndf
	number of degrees of freedom for this topology

FitParams *	m_fitparams
	parameters to be fitted

bool	m_useReferencing
	use referencing

const ConstraintConfiguration	m_config
	config container

Detailed Description

this class

Definition at line 22 of file FitManager.h.

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

Public Types