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TAbsFitConstraint Class Reference

#include <PhysicsTools/KinFitter/interface/TAbsFitConstraint.h>

Inheritance diagram for TAbsFitConstraint:

List of all members.

Public Member Functions
virtual void	applyDeltaAlpha (TMatrixD *corrMatrix)
virtual const TMatrixD *	getCovMatrix () const
virtual const TMatrixD *	getCovMatrixDeltaAlpha ()
virtual const TMatrixD *	getCovMatrixFit () const
virtual Double_t	getCurrentValue ()=0
virtual TMatrixD *	getDerivative (TAbsFitParticle *particle)=0
virtual TMatrixD *	getDerivativeAlpha ()
virtual TString	getInfoString ()
virtual Double_t	getInitValue ()=0
Int_t	getNPar ()
const TMatrixD *	getParCurr ()
const TMatrixD *	getParIni ()
virtual void	print ()
virtual void	reset ()
virtual void	setCovMatrix (const TMatrixD *theCovMatrix)
virtual void	setCovMatrixFit (const TMatrixD *theCovMatrixFit)
void	setParIni (const TMatrixD *parini)
	TAbsFitConstraint (const TString &name, const TString &title)
	TAbsFitConstraint ()
virtual	~TAbsFitConstraint ()
Protected Member Functions
void	calcCovMatrixDeltaAlpha ()
Protected Attributes
TMatrixD	_covMatrix
TMatrixD	_covMatrixDeltaAlpha
TMatrixD	_covMatrixFit
TMatrixD	_iniparameters
Int_t	_nPar
TMatrixD	_parameters

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Detailed Description

Definition at line 10 of file TAbsFitConstraint.h.

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Constructor & Destructor Documentation

TAbsFitConstraint::TAbsFitConstraint

(

)

TAbsFitConstraint::TAbsFitConstraint	(	const TString &	name,
		const TString &	title
	)

Definition at line 37 of file TAbsFitConstraint.cc.

References _nPar.

  : TNamed(name, title)
  ,_covMatrix()
  ,_covMatrixFit()
  ,_covMatrixDeltaAlpha()
  ,_iniparameters()
  ,_parameters()

{
  _nPar = 0;
}

TAbsFitConstraint::~TAbsFitConstraint

(

)

[virtual]

Definition at line 49 of file TAbsFitConstraint.cc.

                                      {

}

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Member Function Documentation

void TAbsFitConstraint::applyDeltaAlpha

(

TMatrixD *

corrMatrix

)

[virtual]

Definition at line 106 of file TAbsFitConstraint.cc.

References _iniparameters, and _parameters.

Referenced by TKinFitter::applyDeltaY().

                                                            {
  // Apply corrections to the parameters wrt. to the
  // initial parameters alpha* = alpha + delta(alpha)

  _parameters = _iniparameters;
  _parameters += (*corrMatrix);

}

void TAbsFitConstraint::calcCovMatrixDeltaAlpha

(

)

[protected]

Definition at line 93 of file TAbsFitConstraint.cc.

References _covMatrix, _covMatrixDeltaAlpha, _covMatrixFit, and _nPar.

Referenced by getCovMatrixDeltaAlpha().

                                                {
  // Calculates V(deltaAlpha) ==  V(alpha_meas) - V(alpha_fit)

  _covMatrixDeltaAlpha.ResizeTo( _nPar, _nPar );
  _covMatrixDeltaAlpha = _covMatrix;
  if(_covMatrixFit.GetNrows() == _nPar && _covMatrixFit.GetNcols() == _nPar)
    _covMatrixDeltaAlpha -= _covMatrixFit;
  else
    edm::LogError ("WrongMatrixSize")
      << GetName() << "::calcCovMatrixDeltaAlpha - _covMatrixFit probably not set.";
}

virtual const TMatrixD* TAbsFitConstraint::getCovMatrix

(

)

const [inline, virtual]

Definition at line 29 of file TAbsFitConstraint.h.

References _covMatrix.

Referenced by TKinFitter::calcV().

{ return &_covMatrix; }

const TMatrixD * TAbsFitConstraint::getCovMatrixDeltaAlpha

(

)

[virtual]

Definition at line 130 of file TAbsFitConstraint.cc.

References _covMatrixDeltaAlpha, and calcCovMatrixDeltaAlpha().

                                                          {
  // Returns covariance matrix delta(alpha)

  calcCovMatrixDeltaAlpha(); 
  return &_covMatrixDeltaAlpha; 

}

virtual const TMatrixD* TAbsFitConstraint::getCovMatrixFit

(

)

const [inline, virtual]

Definition at line 32 of file TAbsFitConstraint.h.

References _covMatrixFit.

{ return &_covMatrixFit; }

virtual Double_t TAbsFitConstraint::getCurrentValue

(

)

[pure virtual]

Implemented in TFitConstraintEp, TFitConstraintM, and TFitConstraintMGaus.

Referenced by getInfoString().

virtual TMatrixD* TAbsFitConstraint::getDerivative

(

TAbsFitParticle *

particle

)

[pure virtual]

Implemented in TFitConstraintEp, and TFitConstraintM.

virtual TMatrixD* TAbsFitConstraint::getDerivativeAlpha

(

)

[inline, virtual]

Reimplemented in TFitConstraintMGaus.

Definition at line 27 of file TAbsFitConstraint.h.

Referenced by TKinFitter::calcB().

{ return 0; }

TString TAbsFitConstraint::getInfoString

(

)

[virtual]

Reimplemented in TFitConstraintEp, TFitConstraintM, and TFitConstraintMGaus.

Definition at line 138 of file TAbsFitConstraint.cc.

References lat::endl(), getCurrentValue(), getInitValue(), and info.

Referenced by print().

                                         {
  // Collect information to be used for printout

  stringstream info;
  info << scientific << setprecision(6);

  info << "__________________________" << endl
       << endl;
  info <<"OBJ: " << IsA()->GetName() << "\t" << GetName() << "\t" << GetTitle() << endl;
  
  info << "initial value: " << getInitValue() << endl;
  info << "current value: " << getCurrentValue() << endl;

  return info.str();

}

virtual Double_t TAbsFitConstraint::getInitValue

(

)

[pure virtual]

Implemented in TFitConstraintEp, TFitConstraintM, and TFitConstraintMGaus.

Referenced by getInfoString().

Int_t TAbsFitConstraint::getNPar

(

)

[inline]

Definition at line 25 of file TAbsFitConstraint.h.

References _nPar.

Referenced by TKinFitter::applyDeltaY(), TKinFitter::applyVFit(), TKinFitter::calcC(), and TKinFitter::calcV().

{ return _nPar; } 

const TMatrixD* TAbsFitConstraint::getParCurr

(

)

[inline]

Definition at line 40 of file TAbsFitConstraint.h.

References _parameters.

Referenced by TKinFitter::calcC().

{ return &_parameters; }

const TMatrixD* TAbsFitConstraint::getParIni

(

)

[inline]

Definition at line 37 of file TAbsFitConstraint.h.

References _iniparameters.

Referenced by TKinFitter::calcC().

{ return &_iniparameters; }

void TAbsFitConstraint::print

(

void

)

[virtual]

Reimplemented in TFitConstraintEp, TFitConstraintM, and TFitConstraintMGaus.

Definition at line 155 of file TAbsFitConstraint.cc.

References getInfoString().

                              {
  // Print constraint contents

  edm::LogVerbatim("KinFitter") << this->getInfoString();

}

void TAbsFitConstraint::reset

(

void

)

[virtual]

Definition at line 53 of file TAbsFitConstraint.cc.

References _iniparameters, _parameters, and setCovMatrixFit().

Referenced by TKinFitter::resetParams().

                              {
  // Reset parameters to initial values

  _parameters = _iniparameters;  
  setCovMatrixFit( 0 );

}

void TAbsFitConstraint::setCovMatrix

(

const TMatrixD *

theCovMatrix

)

[virtual]

Definition at line 61 of file TAbsFitConstraint.cc.

References _covMatrix, and _nPar.

Referenced by TFitConstraintMGaus::setMassConstraint().

                                                                 {
  // Set measured alpha covariance matrix

  _covMatrix.ResizeTo(_nPar, _nPar);
  if(theCovMatrix==0) {
    _covMatrix.Zero();
  } else if (theCovMatrix->GetNcols() ==_nPar && theCovMatrix->GetNrows() ==_nPar) {
    _covMatrix = (*theCovMatrix);
  } else {
    edm::LogError ("WrongMatrixSize")
      << GetName() << "::setCovMatrix - Measured alpha covariance matrix needs to be a "
      << _nPar << "x" << _nPar << " matrix.";
  }

}

void TAbsFitConstraint::setCovMatrixFit

(

const TMatrixD *

theCovMatrixFit

)

[virtual]

Definition at line 77 of file TAbsFitConstraint.cc.

References _covMatrixFit, and _nPar.

Referenced by TKinFitter::applyVFit(), and reset().

                                                                       {
  // Set the fitted covariance matrix

  _covMatrixFit.ResizeTo(_nPar, _nPar);
  if(theCovMatrixFit==0) {
    _covMatrixFit.Zero();
  } else if (theCovMatrixFit->GetNcols() ==_nPar && theCovMatrixFit->GetNrows() ==_nPar) {
    _covMatrixFit = (*theCovMatrixFit);
  } else {
    edm::LogError ("WrongMatrixSize")
      << GetName() << "::setCovMatrixFit - Fitted covariance matrix needs to be a "
      << _nPar << "x" << _nPar << " matrix.";
  }

}

void TAbsFitConstraint::setParIni

(

const TMatrixD *

parini

)

Definition at line 115 of file TAbsFitConstraint.cc.

References _iniparameters.

                                                        {
  // Set initial parameter values (before the fit)

  if (parini == 0) return;
  else if( parini->GetNrows() == _iniparameters.GetNrows() &&
           parini->GetNcols() == _iniparameters.GetNcols() )
    _iniparameters = (*parini) ;
  else {
    edm::LogError ("WrongMatrixSize")
      << GetName() << "::setParIni - Matrices don't fit.";
    return;
  }

}

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Member Data Documentation

TMatrixD TAbsFitConstraint::_covMatrix [protected]

Definition at line 52 of file TAbsFitConstraint.h.

Referenced by calcCovMatrixDeltaAlpha(), getCovMatrix(), setCovMatrix(), and TFitConstraintMGaus::setMassConstraint().

TMatrixD TAbsFitConstraint::_covMatrixDeltaAlpha [protected]

Definition at line 54 of file TAbsFitConstraint.h.

Referenced by calcCovMatrixDeltaAlpha(), and getCovMatrixDeltaAlpha().

TMatrixD TAbsFitConstraint::_covMatrixFit [protected]

Definition at line 53 of file TAbsFitConstraint.h.

Referenced by calcCovMatrixDeltaAlpha(), getCovMatrixFit(), and setCovMatrixFit().

TMatrixD TAbsFitConstraint::_iniparameters [protected]

Definition at line 55 of file TAbsFitConstraint.h.

Referenced by applyDeltaAlpha(), TFitConstraintMGaus::getInfoString(), TFitConstraintMGaus::getInitValue(), getParIni(), TFitConstraintMGaus::init(), reset(), and setParIni().

Int_t TAbsFitConstraint::_nPar [protected]

Definition at line 50 of file TAbsFitConstraint.h.

Referenced by calcCovMatrixDeltaAlpha(), getNPar(), TFitConstraintMGaus::init(), setCovMatrix(), setCovMatrixFit(), and TAbsFitConstraint().

TMatrixD TAbsFitConstraint::_parameters [protected]

Definition at line 56 of file TAbsFitConstraint.h.

Referenced by applyDeltaAlpha(), TFitConstraintMGaus::getCurrentValue(), TFitConstraintMGaus::getInfoString(), getParCurr(), TFitConstraintMGaus::init(), and reset().

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

• PhysicsTools/KinFitter/interface/TAbsFitConstraint.h
• PhysicsTools/KinFitter/src/TAbsFitConstraint.cc

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