Class for jets with (E, eta, phi) in kinematic fits. More...

#include <JetFitObject.h>

Inheritance diagram for JetFitObject:

Collaboration diagram for JetFitObject:

[legend]

Public Member Functions
	JetFitObject (double E, double theta, double phi, double DE, double Dtheta, double Dphi, double m=0)

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

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

virtual JetFitObject *	copy () const override
	Return a new copy of itself.

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

virtual const char *	getParamName (int ilocal) const override
	Get name of parameter ilocal. More...

virtual bool	updateParams (double p[], int idim) override
	Read values from global vector, readjust vector; return: significant change. More...

virtual int	getNPar () const override

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

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

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

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

virtual double	getCov (int ilocal, int jlocal) const override

virtual double	getError (int ilocal) const override
	Get error of parameter ilocal. More...

virtual double	getFirstDerivative_Meta_Local (int iMeta, int ilocal, int metaSet) const override
	add derivatives to vector der of size idim pxfactdpx/dx_i + pyfactdpy/dx_i + pzfactdpz/dx_i + efactdE/dx_i

virtual double	getSecondDerivative_Meta_Local (int iMeta, int ilocal, int jlocal, int metaSet) const override

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 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 Types
enum	{ NPAR = 3 }
	Get chi squared from measured and fitted parameters.

Protected Member Functions
void	updateCache () const override

Static Protected Member Functions
static bool	adjustEThetaPhi (const double &m, double &E, double &theta, double &phi)
	Adjust E, theta and phi such that E>=m, 0<=theta<=pi, -pi <= phi < pi; returns true if anything was changed.

Protected Attributes
double	ctheta

double	stheta

double	cphi

double	sphi

double	p2

double	p

double	pt

double	px

double	py

double	pz

double	dpdE

double	dptdE

double	dpxdE

double	dpydE

double	dpzdE

double	dpxdtheta

double	dpydtheta

double	chi2

double	mass
	mass of particle

FourVector	fourMomentum

double	paramCycl [BaseDefs::MAXPAR]

Detailed Description

Class for jets with (E, eta, phi) in kinematic fits.

Author: Jenny List, Benno List

Date: 2011/03/03 15:03:02

Author: blist

Changelog:

30.12.04 BL: addToGlobCov, getDChi2DParam, getDChi2DParam2, addToGlobalChi2DerMatrix moved up to ParticleFitObject, getParamName implemented

Definition at line 57 of file JetFitObject.h.

Constructor & Destructor Documentation

◆ JetFitObject()

JetFitObject ( const JetFitObject & rhs )

Copy constructor.

Parameters

rhs	right hand side

Definition at line 82 of file JetFitObject.cc.

       : ParticleFitObject(rhs), ctheta(0), stheta(0), cphi(0), sphi(0),
         p2(0), p(0), pt(0), px(0), py(0), pz(0), dpdE(0), dptdE(0),
         dpxdE(0), dpydE(0), dpzdE(0), dpxdtheta(0), dpydtheta(0), chi2(0)
     {
       JetFitObject::assign(rhs);
     }

Member Function Documentation

◆ addToGlobalChi2DerMatrixNum()

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

virtualinherited

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
	)

virtualinherited

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()

JetFitObject & assign ( const BaseFitObject & source )

overridevirtual

Assign from anther object, if of same type.

Parameters

source The source object

Reimplemented from ParticleFitObject.

Definition at line 103 of file JetFitObject.cc.

◆ getCov()

double getCov	(	int	ilocal,
		int	jlocal
	)		const

overridevirtual

Parameters

ilocal	Local parameter number i
jlocal	Local parameter number j

Definition at line 219 of file JetFitObject.cc.

◆ getDE()

double getDE ( int ilocal ) const

overridevirtual

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

Parameters

ilocal Local parameter number

Implements ParticleFitObject.

Definition at line 201 of file JetFitObject.cc.

◆ getDPx()

double getDPx ( int ilocal ) const

overridevirtual

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

Parameters

ilocal Local parameter number

Implements ParticleFitObject.

Definition at line 165 of file JetFitObject.cc.

◆ getDPy()

double getDPy ( int ilocal ) const

overridevirtual

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

Parameters

ilocal Local parameter number

Implements ParticleFitObject.

Definition at line 177 of file JetFitObject.cc.

◆ getDPz()

double getDPz ( int ilocal ) const

overridevirtual

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

Parameters

ilocal Local parameter number

Implements ParticleFitObject.

Definition at line 189 of file JetFitObject.cc.

◆ getError()

double getError ( int ilocal ) const

overridevirtual

Get error of parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 212 of file JetFitObject.cc.

◆ getParamName()

const char * getParamName ( int ilocal ) const

overridevirtual

Get name of parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 116 of file JetFitObject.cc.

◆ num1stDerivative()

double num1stDerivative	(	int	ilocal,
		double	eps
	)

inherited

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
	)

inherited

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=()

JetFitObject & operator= ( const JetFitObject & rhs )

Assignment.

Parameters

rhs	right hand side

Definition at line 90 of file JetFitObject.cc.

◆ print()

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

overridevirtualinherited

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

virtualinherited

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

Parameters

os	The output stream

Definition at line 94 of file ParticleFitObject.cc.

◆ updateParams()

bool updateParams	(	double	p[],
		int	idim
	)

overridevirtual

Read values from global vector, readjust vector; return: significant change.

Parameters

p	The parameter vector
idim	Length of the vector

Definition at line 127 of file JetFitObject.cc.

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

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

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ JetFitObject()

Member Function Documentation

◆ addToGlobalChi2DerMatrixNum()

◆ addToGlobalChi2DerVectorNum()

◆ assign()

◆ getCov()

◆ getDE()

◆ getDPx()

◆ getDPy()

◆ getDPz()

◆ getError()

◆ getParamName()

◆ num1stDerivative()

◆ num2ndDerivative()

◆ operator=()

◆ print()

◆ print4Vector()

◆ updateParams()