GaussianConstraintChi2 Class Reference

#include <GaussianConstraintChi2.h>

Inheritance diagram for GaussianConstraintChi2:

Public Member Functions
	GaussianConstraintChi2 (MINT::MinuitParameterSet *)
virtual	~GaussianConstraintChi2 ()
virtual double	getVal () override
Public Member Functions inherited from MINT::Minimisable
	Minimisable (MinuitParameterSet *mps=0)
	Minimisable (const Minimisable &other)
virtual	~Minimisable ()
void	setPset (MinuitParameterSet *mps)
MinuitParameterSet *	getParSet ()
virtual void	beginFit ()
virtual void	parametersChanged ()
virtual void	endFit ()
double	getNewVal ()
Public Member Functions inherited from MINT::IMinimisable
virtual void	Gradient (std::vector< double > &grad)
virtual bool	useAnalyticGradient ()
virtual void	setUseAnalyticGradient (bool useAnalyticGradient)
virtual	~IMinimisable ()

Private Attributes
MINT::MinuitParameterSet::CovMatrix	m_covMatrixInv

Detailed Description

Definition at line 6 of file GaussianConstraintChi2.h.

Constructor & Destructor Documentation

GaussianConstraintChi2()

GaussianConstraintChi2::GaussianConstraintChi2

(

MINT::MinuitParameterSet *

parset

)

Definition at line 5 of file GaussianConstraintChi2.cpp.

                                                                         :
  Minimisable(parset),
  m_covMatrixInv(parset->size())
{
  if(parset->covMatrix().GetNcols() > 0){
    m_covMatrixInv = parset->covMatrix() ;
  }
  else {
    for(unsigned i = 0 ; i < parset->size() ; ++i)
      m_covMatrixInv[i][i] = pow(parset->getParPtr(i)->stepInit(), 2) ;
  }
  m_covMatrixInv.Invert() ;
}

~GaussianConstraintChi2()

virtual GaussianConstraintChi2::~GaussianConstraintChi2 ( )

inlinevirtual

Definition at line 11 of file GaussianConstraintChi2.h.

{} ;

Member Function Documentation

getVal()

double GaussianConstraintChi2::getVal ( )

overridevirtual

Implements MINT::Minimisable.

Definition at line 19 of file GaussianConstraintChi2.cpp.

                                      {
  TVectorT<double> diffs(getParSet()->size()) ;
  for(unsigned i = 0 ; i < getParSet()->size() ; ++i){
    auto* par = getParSet()->getParPtr(i) ;
    diffs[i] = par->mean() - par->meanInit() ;
  }
  return m_covMatrixInv.Similarity(diffs) ;
}

Member Data Documentation

m_covMatrixInv

MINT::MinuitParameterSet::CovMatrix GaussianConstraintChi2::m_covMatrixInv

private

Definition at line 8 of file GaussianConstraintChi2.h.

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

• Mint/GaussianConstraintChi2.h
• src/Utils/GaussianConstraintChi2.cpp