RFitDataBase Class Reference

#include <RFitDataBase.hh>

Inheritance diagram for RFitDataBase:

Public Member Functions
	RFitDataBase ()
	RFitDataBase (const RFitDataBase &original)
RFitDataBase &	operator= (const RFitDataBase &original)
virtual	~RFitDataBase ()
virtual void	Reset ()
virtual UInt_t	GetFitOptions () const
virtual Int_t	GetFitMode () const
virtual Int_t	GetParNumber () const
virtual Int_t	GetFixNumber () const
virtual Double_t	GetParValue (const Int_t p) const
virtual Double_t	GetParError (const Int_t p) const
virtual Double_t	GetCovariance (const Int_t p, const Int_t q) const
virtual bool	IsFixParameter (const Int_t p) const
virtual Int_t	GetFitResult () const
virtual Double_t	GetFitChi2 () const
virtual Int_t	GetFitNDF () const
virtual Double_t	GetFitFCN () const
virtual Double_t	GetFitEDM () const
virtual Double_t	GetFitErrDef () const
virtual Int_t	SaveFitData (const string &fname) const =0
virtual Int_t	LoadFitData (const string &fname)=0
	ClassDef (RFitDataBase, 0)

Protected Member Functions
virtual Int_t	WriteData (FILE *fp) const

Static Protected Member Functions
static Int_t	ReadData (FILE *fp, RFitDataBase &fdata)

Protected Attributes
UInt_t	fit_options
	Fit options.
Int_t	fit_mode
	Fit mode (Chi2 or Log-likelyhood)
Int_t	fit_result
	Fit result.
Double_t	fit_chi2
	Chi2.
Int_t	fit_ndf
	Number of degrees of freedom.
Double_t	fit_fcn
	Minimized function value (FCN)
Double_t	fit_edm
	Estimated distance to minimum.
Double_t	fit_err_def
	Error matrix status.
Int_t	par_number
	Number of fit parameters (total)
Double_t	par_val [50]
	Parameters values.
Double_t	par_err [50]
	Uncertainties values.
bool	par_fix [50]
	Fix parameters.
Double_t	par_cov [50][50]
	Covariance matrix.

Private Member Functions
	GObjectV (RFitDataBase)

Detailed Description

Base data, fit conditions and results (parameters, errors,...) for fits.

The class does not define functions to change fit results, but it can change fit options, for use in a new fit initialisation.

Constructor & Destructor Documentation

RFitDataBase::RFitDataBase

(

)

Default constructor.

References fit_chi2, fit_edm, fit_err_def, fit_fcn, fit_mode, fit_ndf, fit_options, fit_result, RFitModes::fitChi2, par_number, and Reset().

RFitDataBase::RFitDataBase

(

const RFitDataBase &

original

)

Copy constructor.

Parameters

original

object to copy

References fit_chi2, fit_edm, fit_err_def, fit_fcn, fit_mode, fit_ndf, fit_options, fit_result, par_cov, par_err, par_fix, par_number, par_val, and RFIT_MAX_PAR.

RFitDataBase::~RFitDataBase ( )

virtual

Destructor.

Member Function Documentation

RFitDataBase::GObjectV ( RFitDataBase  )

private

Macro from GCpp library that defines the following functions:

• ClassName(): return the real class name of the object
• StaticClassName(): return the used class name of the object (that may be a base class of the real object).
• IsInstanceOf<T>(): return true if the current object is an instance of the template class name argument
• Clone(): return an allocated copy of the object.

RFitDataBase & RFitDataBase::operator=

(

const RFitDataBase &

original

)

Opérateur d'affectation.

Parameters

original

instance à recopier

References fit_chi2, fit_edm, fit_err_def, fit_fcn, fit_mode, fit_ndf, fit_options, fit_result, par_cov, par_err, par_fix, par_number, par_val, and RFIT_MAX_PAR.

void RFitDataBase::Reset ( )

virtual

Fonction qui réinitialise les résultats de fit: paramètres, erreurs et résultat.

Reimplemented in RFitBase2D, and RFitBase1D.

References fit_chi2, fit_edm, fit_err_def, fit_fcn, fit_ndf, fit_result, par_cov, par_err, par_fix, par_val, and RFIT_MAX_PAR.

Referenced by RFitBase1D::Reset(), RFitBase2D::Reset(), and RFitDataBase().

UInt_t RFitDataBase::GetFitOptions ( ) const

inlinevirtual

Get fit options.

References fit_options.

Referenced by RGFitDecay::SetFitData(), RFitBase1D::SetFitData(), RGFitBase1D::SetFitData(), RGFitGaus2D::SetFitData(), RGFitPeak::SetFitData(), RFitBase2D::SetFitData(), and RGFitBase2D::SetFitData().

Int_t RFitDataBase::GetFitMode ( ) const

inlinevirtual

Getfit mode identifier.

References fit_mode.

Referenced by RGFitDecay::SetFitData(), RFitBase1D::SetFitData(), RGFitBase1D::SetFitData(), RGFitGaus2D::SetFitData(), RGFitPeak::SetFitData(), RFitBase2D::SetFitData(), and RGFitBase2D::SetFitData().

Int_t RFitDataBase::GetParNumber ( ) const

inlinevirtual

Get number of fit parameters.

References par_number.

Referenced by GetCovariance(), GetParError(), GetParValue(), IsFixParameter(), RGFitDecay::SetFitData(), RFitBase1D::SetFitData(), RGFitBase1D::SetFitData(), RGFitGaus2D::SetFitData(), RGFitPeak::SetFitData(), RFitBase2D::SetFitData(), and RGFitBase2D::SetFitData().

Int_t RFitDataBase::GetFixNumber ( ) const

virtual

Function returning the number of fixed parameters.

References par_fix, and par_number.

Double_t RFitDataBase::GetParValue ( const Int_t  p ) const

inlinevirtual

Get a parameter value.

Parameters

p	parameter number

References GetParNumber(), par_number, and par_val.

Referenced by RFitDecay::GetStaticDecayTime(), RFitDecay::GetStaticProdTime(), RFitBase1D::SetFitData(), and RFitBase2D::SetFitData().

Double_t RFitDataBase::GetParError ( const Int_t  p ) const

inlinevirtual

Get a parameter uncertainty.

Parameters

p	parameter number

References GetParNumber(), and par_err.

Referenced by RFitDecay::GetFitText().

Double_t RFitDataBase::GetCovariance ( const Int_t  p, const Int_t  q  ) const

inlinevirtual

Get a covariance matrix element.

Parameters

p	parameter number
q	parameter number

References GetParNumber(), and par_cov.

bool RFitDataBase::IsFixParameter ( const Int_t  p ) const

inlinevirtual

Return true if a parameter is fixed.

Parameters

p	parameter number

References GetParNumber(), and par_fix.

Referenced by RFitBase1D::CalcIntegral(), RGFitPeak::ParamToWidgetBg(), RGFitGaus2D::ParamToWidgetBg(), RFitBase1D::SetFitData(), and RFitBase2D::SetFitData().

Int_t RFitDataBase::GetFitResult ( ) const

inlinevirtual

Get the fit result, from ROOT fit function (see TH1::Fit). If result is 0, this means fitting is ok. The result is migradResult + 10*minosResult + 100*hesseResult

• 1000*improveResult. The value is initialized to -1 when fit has not been performed.

References fit_result.

Double_t RFitDataBase::GetFitChi2 ( ) const

inlinevirtual

Return the fit Chi2 (normalized).

References fit_chi2.

Int_t RFitDataBase::GetFitNDF ( ) const

inlinevirtual

Return number of degrees of freedom of the fit.

References fit_ndf.

Double_t RFitDataBase::GetFitFCN ( ) const

inlinevirtual

Get result from minimization function (see TFitter::GetStats(...)).

References fit_fcn.

Double_t RFitDataBase::GetFitEDM ( ) const

inlinevirtual

Get estimated distance to minimum (see TFitter::GetStats(...)).

References fit_edm.

Double_t RFitDataBase::GetFitErrDef ( ) const

inlinevirtual

Get covariance matrix status (see TFitter::GetStats(...)).

References fit_err_def.

Int_t RFitDataBase::WriteData ( FILE *  fp ) const

protectedvirtual

Ecriture des données de base du fit dans un fichier. La fonction retourne 0 si l'écriture s'est bien passée.

Parameters

fp	pointeur de fichier

Reimplemented in RFitData2D, and RFitData1D.

References fit_chi2, fit_edm, fit_err_def, fit_fcn, fit_mode, fit_options, fit_result, par_cov, par_err, par_fix, par_number, and par_val.

Referenced by RFitData1D::WriteData(), and RFitData2D::WriteData().

Int_t RFitDataBase::ReadData ( FILE *  fp, RFitDataBase &  fdata  )

staticprotected

Lecture des données de base du fit dans un fichier. La fonction retourne 0 si la lecture s'est bien passée.

Parameters

fp	pointeur de fichier
fdata	données de fit à mettre à jour à partir du fichier

References fit_chi2, fit_edm, fit_err_def, fit_fcn, fit_mode, fit_options, fit_result, par_cov, par_err, par_fix, par_number, and par_val.

Referenced by RFitData1D::ReadData(), and RFitData2D::ReadData().

virtual Int_t RFitDataBase::SaveFitData ( const string &  fname ) const

pure virtual

Save fit data to file (see derived classes).

Parameters

fname

file name

Implemented in RFitDataDecay, RFitDataGaus2D, and RFitDataPeak.

Referenced by RGFitBase1D::GuiSaveFitData(), and RGFitBase2D::GuiSaveFitData().

virtual Int_t RFitDataBase::LoadFitData ( const string &  fname )

pure virtual

Load fit data from file (see derived classes).

Parameters

fname

file name

Implemented in RFitPeak, RFitGaus2D, RFitDecay, RFitDataDecay, RFitDataGaus2D, and RFitDataPeak.

RFitDataBase::ClassDef	(	RFitDataBase	,
		0
	)

For ROOT dictionary.

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

• RFitDataBase.hh
• RFitDataBase.icc
• RFitDataBase.cpp