Inheritance diagram for ParticleFitObject:

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Collaboration diagram for ParticleFitObject:

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Public Member Functions
	ParticleFitObject ()
	Default constructor.

	ParticleFitObject (const ParticleFitObject &rhs)
	Copy constructor. More...

ParticleFitObject &	operator= (const ParticleFitObject &rhs)
	Assignment. More...

virtual	~ParticleFitObject ()
	Virtual destructor.

virtual ParticleFitObject &	assign (const BaseFitObject &source) override
	Assign from anther object, if of same type. More...

virtual bool	setMass (double mass_)
	Set mass of particle; return=success.

virtual double	getMass () const
	Get mass of particle.

virtual std::ostream &	print4Vector (std::ostream &os) const
	print the four-momentum (E, px, py, pz) More...

virtual FourVector	getFourMomentum () const

virtual double	getE () const
	Return E.

virtual double	getPx () const
	Return px.

virtual double	getPy () const
	Return py.

virtual double	getPz () const
	Return pz.

virtual double	getP () const
	Return p (momentum)

virtual double	getP2 () const
	Return p (momentum) squared.

virtual double	getPt () const
	Return pt (transverse momentum)

virtual double	getPt2 () const
	Return pt (transverse momentum) squared.

virtual double	getDPx (int ilocal) const =0
	Return d p_x / d par_ilocal (derivative of px w.r.t. local parameter ilocal) More...

virtual double	getDPy (int ilocal) const =0
	Return d p_y / d par_ilocal (derivative of py w.r.t. local parameter ilocal) More...

virtual double	getDPz (int ilocal) const =0
	Return d p_z / d par_ilocal (derivative of pz w.r.t. local parameter ilocal) More...

virtual double	getDE (int ilocal) const =0
	Return d E / d par_ilocal (derivative of E w.r.t. local parameter ilocal) More...

virtual void	getDerivatives (double der[], int idim) const override

virtual void	addToGlobalChi2DerMatrixNum (double *M, int idim, double eps)
	Add numerically determined derivatives of chi squared to global covariance matrix. More...

virtual void	addToGlobalChi2DerVectorNum (double *y, int idim, double eps)
	Add numerically determined derivatives of chi squared to global derivative vector. More...

virtual std::ostream &	print (std::ostream &os) const override
	print object to ostream More...

void	test1stDerivatives ()

void	test2ndDerivatives ()

double	num1stDerivative (int ilocal, double eps)
	Evaluates numerically the 1st derivative of chi2 w.r.t. a parameter. More...

double	num2ndDerivative (int ilocal1, double eps1, int ilocal2, double eps2)
	Evaluates numerically the 2nd derivative of chi2 w.r.t. 2 parameters. More...

virtual double	getChi2 () const override

Protected Attributes
double	mass
	mass of particle

FourVector	fourMomentum

double	paramCycl [BaseDefs::MAXPAR]

Detailed Description

Definition at line 93 of file ParticleFitObject.h.

Constructor & Destructor Documentation

◆ ParticleFitObject()

ParticleFitObject ( const ParticleFitObject & rhs )

Copy constructor.

Parameters

rhs	right hand side

Definition at line 48 of file ParticleFitObject.cc.

Member Function Documentation

◆ addToGlobalChi2DerMatrixNum()

void addToGlobalChi2DerMatrixNum	(	double *	M,
		int	idim,
		double	eps
	)

virtual

Add numerically determined derivatives of chi squared to global covariance matrix.

Parameters

M	Global covariance matrix
idim	First dimension of global covariance matrix
eps	Parameter variation

Definition at line 162 of file ParticleFitObject.cc.

◆ addToGlobalChi2DerVectorNum()

void addToGlobalChi2DerVectorNum	(	double *	y,
		int	idim,
		double	eps
	)

virtual

Add numerically determined derivatives of chi squared to global derivative vector.

Parameters

y	Vector of chi2 derivatives
idim	Vector size
eps	Parameter variation

Definition at line 152 of file ParticleFitObject.cc.

◆ assign()

ParticleFitObject & assign ( const BaseFitObject & source )

overridevirtual

Assign from anther object, if of same type.

Parameters

source The source object

Reimplemented in JetFitObject, NeutrinoFitObject, ISRPhotonFitObject, and PxPyPzMFitObject.

Definition at line 73 of file ParticleFitObject.cc.

◆ getDE()

virtual double getDE ( int ilocal ) const

pure virtual

Return d E / d par_ilocal (derivative of E w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in JetFitObject, NeutrinoFitObject, ISRPhotonFitObject, and PxPyPzMFitObject.

◆ getDPx()

virtual double getDPx ( int ilocal ) const

pure virtual

Return d p_x / d par_ilocal (derivative of px w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in JetFitObject, NeutrinoFitObject, ISRPhotonFitObject, and PxPyPzMFitObject.

◆ getDPy()

virtual double getDPy ( int ilocal ) const

pure virtual

Return d p_y / d par_ilocal (derivative of py w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in JetFitObject, NeutrinoFitObject, ISRPhotonFitObject, and PxPyPzMFitObject.

◆ getDPz()

virtual double getDPz ( int ilocal ) const

pure virtual

Return d p_z / d par_ilocal (derivative of pz w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in JetFitObject, NeutrinoFitObject, ISRPhotonFitObject, and PxPyPzMFitObject.

◆ num1stDerivative()

double num1stDerivative	(	int	ilocal,
		double	eps
	)

Evaluates numerically the 1st derivative of chi2 w.r.t. a parameter.

Parameters

ilocal	Local parameter number
eps	variation of local parameter

Definition at line 230 of file ParticleFitObject.cc.

◆ num2ndDerivative()

double num2ndDerivative	(	int	ilocal1,
		double	eps1,
		int	ilocal2,
		double	eps2
	)

Evaluates numerically the 2nd derivative of chi2 w.r.t. 2 parameters.

Parameters

ilocal1	1st local parameter number
eps1	variation of 1st local parameter
ilocal2	1st local parameter number
eps2	variation of 2nd local parameter

Definition at line 242 of file ParticleFitObject.cc.

◆ operator=()

ParticleFitObject & operator= ( const ParticleFitObject & rhs )

Assignment.

Parameters

rhs	right hand side

Definition at line 55 of file ParticleFitObject.cc.

◆ print()

std::ostream & print ( std::ostream & os ) const

overridevirtual

print object to ostream

Parameters

os	The output stream

Definition at line 140 of file ParticleFitObject.cc.

◆ print4Vector()

std::ostream & print4Vector ( std::ostream & os ) const

virtual

print the four-momentum (E, px, py, pz)

Parameters

os	The output stream

Definition at line 94 of file ParticleFitObject.cc.

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

analysis/OrcaKinFit/include/ParticleFitObject.h
analysis/OrcaKinFit/src/ParticleFitObject.cc

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ ParticleFitObject()

Member Function Documentation

◆ addToGlobalChi2DerMatrixNum()

◆ addToGlobalChi2DerVectorNum()

◆ assign()

◆ getDE()

◆ getDPx()

◆ getDPy()

◆ getDPz()

◆ num1stDerivative()

◆ num2ndDerivative()

◆ operator=()

◆ print()

◆ print4Vector()