Class for defining a PDF that is the sum of two other PDFs. More...

#include <LauSumPdf.hh>

Inheritance diagram for LauSumPdf:

Public Member Functions
	LauSumPdf (LauAbsPdf pdf1, LauAbsPdf pdf2, LauParameter *frac1)
	Constructor. More...

virtual	~LauSumPdf ()
	Destructor. More...

	LauSumPdf (const LauSumPdf &other)
	Copy constructor. More...

UInt_t	nInputVars () const
	Returns the number of input variables. More...

virtual Bool_t	isDPDependent () const
	Boolean for the DP dependence of PDFs in the sum. More...

virtual void	cacheInfo (const LauFitDataTree &inputData)
	Cache information from data. More...

virtual void	calcLikelihoodInfo (const LauAbscissas &abscissas)
	Calculate the likelihood (and intermediate info) for a given abscissa. More...

virtual void	calcLikelihoodInfo (UInt_t iEvt)
	Calculate the likelihood (and intermediate info) for a given event number. More...

virtual void	checkPositiveness ()
	Check that PDF is positive. More...

virtual void	calcNorm ()
	Calculate the normalisation. More...

virtual void	calcPDFHeight (const LauKinematics *kinematics)
	Calculate the PDF height. More...

Public Member Functions inherited from LauAbsPdf
	LauAbsPdf (const TString &theVarName, const std::vector< LauParameter * > &params, Double_t minAbscissa, Double_t maxAbscissa)
	Constructor for a 1D PDF. More...

	LauAbsPdf (const std::vector< TString > &theVarNames, const std::vector< LauParameter * > &params, const LauFitData &minAbscissas, const LauFitData &maxAbscissas)
	Constructor for a multidimensional PDF. More...

virtual	~LauAbsPdf ()
	Destructor. More...

virtual const TString &	varName () const
	Retrieve the name of the abscissa. More...

virtual std::vector< TString >	varNames () const
	Retrieve the names of the abscissas. More...

virtual UInt_t	nParameters () const
	Retrieve the number of PDF parameters. More...

virtual UInt_t	nFixedParameters () const
	Retrieve the number of fixed PDF parameters. More...

virtual Double_t	getParValue (const TString &parName) const
	Retrieve the value of the specified parameter. More...

virtual Double_t	getParMin (const TString &parName) const
	Retrieve the minimum value of the specified parameter. More...

virtual Double_t	getParMax (const TString &parName) const
	Retrieve the maximum value of the specified parameter. More...

virtual Double_t	getParRange (const TString &parName) const
	Retrieve the range of the specified parameter. More...

virtual Bool_t	parFixed (const TString &parName) const
	Retrieve whether the specified parameter is fixed. More...

virtual Bool_t	parClone (const TString &parName) const
	Retrieve whether the specified parameter is a clone. More...

virtual Double_t	getMinAbscissa () const
	Retrieve the minimum value of the (primary) abscissa. More...

virtual Double_t	getMaxAbscissa () const
	Retrieve the maximum value of the (primary) abscissa. More...

virtual Double_t	getRange () const
	Retrieve the range of the (primary) abscissa. More...

virtual Double_t	getMinAbscissa (const TString &theVarName) const
	Retrieve the minimum value of the specified abscissa. More...

virtual Double_t	getMaxAbscissa (const TString &theVarName) const
	Retrieve the maximum value of the specified abscissa. More...

virtual Double_t	getRange (const TString &theVarName) const
	Retrieve the range of the specified abscissa. More...

virtual LauFitData	getMinAbscissas () const
	Retrieve the minimum values of all the abscissas. More...

virtual LauFitData	getMaxAbscissas () const
	Retrieve the maximum values of all the abscissas. More...

virtual LauFitData	getRanges () const
	Retrieve the ranges of all the abscissas. More...

virtual void	setParValue (const TString &parName, Double_t value)
	Change the value of the specified parameter. More...

virtual void	setParMin (const TString &parName, Double_t minValue)
	Change the minimum value of the specified parameter. More...

virtual void	setParMax (const TString &parName, Double_t maxValue)
	Change the maximum value of the specified parameter. More...

virtual void	setParRange (const TString &parName, Double_t minValue, Double_t maxValue)
	Change the range of the specified parameter. More...

virtual void	fixPar (const TString &parName)
	Fix the specified parameter. More...

virtual void	floatPar (const TString &parName)
	Float the specified parameter. More...

virtual void	updatePulls ()
	Update the pulls for all parameters. More...

virtual Double_t	getUnNormLikelihood () const
	Retrieve the unnormalised likelihood value. More...

virtual Double_t	getNorm () const
	Retrieve the normalisation factor. More...

virtual Double_t	getLikelihood () const
	Retrieve the normalised likelihood value. More...

virtual Double_t	getLikelihood (const TString &theVarName) const
	For multidimentional PDFs, retrieve the normalised likelihood value of a named variable. More...

virtual Double_t	getMaxHeight () const
	Retrieve the maximum height. More...

virtual LauFitData	generate (const LauKinematics *kinematics)
	Generate an event from the PDF. More...

virtual void	setRandomFun (TRandom *randomFun)
	Set the random function used for toy MC generation. More...

virtual const std::vector < LauParameter * > &	getParameters () const
	Retrieve the parameters of the PDF, e.g. so that they can be loaded into a fit. More...

virtual std::vector < LauParameter * > &	getParameters ()
	Retrieve the parameters of the PDF, e.g. so that they can be loaded into a fit. More...

virtual Bool_t	heightUpToDate () const
	Check if the maximum height of the PDF is up to date. More...

virtual Bool_t	cachePDF () const
	Check if the PDF is to be cached. More...

virtual Int_t	nNormPoints () const
	Retrieve the number of points to integrate over when normalising. More...

virtual void	nNormPoints (Int_t nPoints)
	Set the number of points to integrate over when normalising. More...

virtual IntMethod	integMethod () const
	Retrieve the integration method used to normalise the PDF. More...

virtual void	integMethod (IntMethod method)
	Set the integration method used to normalise the PDF. More...

Private Attributes
LauAbsPdf *	pdf1_
	First PDF. More...

LauAbsPdf *	pdf2_
	Second PDF. More...

LauParameter *	frac_
	Fractional contribution of first PDF to the final PDF. More...

Additional Inherited Members
Public Types inherited from LauAbsPdf
enum	IntMethod { GaussLegendre, Trapezoid }
	The possible numerical intergration methods. More...

typedef std::vector< Double_t >	LauAbscissas
	The type used for containing multiple abscissa values. More...

Protected Member Functions inherited from LauAbsPdf
virtual void	cachePDF (Bool_t doCachePDF)
	Set whether the PDF is to be cached. More...

virtual void	heightUpToDate (Bool_t hutd)
	Set whether the height is up to date. More...

virtual Double_t	integrGaussLegendre ()
	Integrate the PDF using the Gauss-Legendre method. More...

virtual Double_t	integTrapezoid ()
	Integrate the PDF using the simple trapezoid method. More...

virtual void	setNorm (Double_t norm)
	Set the normalisation factor. More...

virtual void	setMaxHeight (Double_t maxHeight)
	Set the maximum height. More...

virtual void	setMinAbscissa (const TString &theVarName, Double_t minAbscissa)
	Set the minimum value of the specified abscissa. More...

virtual void	setMaxAbscissa (const TString &theVarName, Double_t maxAbscissa)
	Set the maximum value of the specified abscissa. More...

virtual void	setRange (const TString &theVarName, Double_t minAbscissa, Double_t maxAbscissa)
	Set the range of the specified abscissa. More...

virtual Bool_t	checkRange (const LauAbscissas &abscissas) const
	Check that all abscissas are within their allowed ranges. More...

virtual void	setUnNormPDFVal (Double_t unNormPDFVal)
	Set the unnormalised likelihood. More...

virtual LauParameter *	findParameter (const TString &parName)
	Retrieve the specified parameter. More...

virtual const LauParameter *	findParameter (const TString &parName) const
	Retrieve the specified parameter. More...

virtual TRandom *	getRandomFun () const
	Retrieve the random function used for MC generation. More...

virtual std::vector < LauAbscissas > &	getAbscissas ()
	Retrieve the abscissa(s) More...

virtual const std::vector < LauAbscissas > &	getAbscissas () const
	Retrieve the abscissa(s) More...

virtual std::vector< Double_t > &	getUnNormPDFValues ()
	Retrieve the cached unnormalised likelihood values. More...

virtual const std::vector < Double_t > &	getUnNormPDFValues () const
	Retrieve the cached unnormalised likelihood values. More...

virtual void	addParameters (std::vector< LauParameter * > &params)
	Add parameters to the PDF. More...

virtual Bool_t	withinNormCalc () const
	Check whether the calcNorm method is running. More...

virtual void	withinNormCalc (Bool_t yorn)
	Set flag to track whether the calcNorm method is running. More...

virtual Bool_t	withinGeneration () const
	Check whether the generate method is running. More...

virtual void	withinGeneration (Bool_t yorn)
	Set flag to track whether the generate method is running. More...

virtual Bool_t	normWeightsDone () const
	Check whether the normalisation weights have been calculated. More...

virtual void	normWeightsDone (Bool_t yorn)
	Set whether the normalisation weights have been calculated. More...

virtual void	getNormWeights ()
	Calculate the weights and abscissas used for normalisation. More...

virtual const std::vector < LauAbscissas > &	normAbscissas () const
	Retrieve the abscissa points used for normalisation. More...

virtual const std::vector < Double_t > &	normWeights () const
	Retrieve the weights used for normalisation. More...

Detailed Description

Class for defining a PDF that is the sum of two other PDFs.

Class that allows the user to define PDF that is the sum of two other PDFs. The relative fraction of the two PDFs is user-defined and can be a free parameter.

Definition at line 32 of file LauSumPdf.hh.

Constructor & Destructor Documentation

LauSumPdf::LauSumPdf	(	LauAbsPdf *	pdf1,
		LauAbsPdf *	pdf2,
		LauParameter *	frac1
	)

Constructor.

Parameters

[in]	pdf1	the first PDF
[in]	pdf2	the second PDF
[in]	frac1	the fractional contribution of the first PDF to the final PDF

Definition at line 28 of file LauSumPdf.cc.

LauSumPdf::~LauSumPdf ( )

virtual

Destructor.

Definition at line 98 of file LauSumPdf.cc.

LauSumPdf::LauSumPdf ( const LauSumPdf & other )

Copy constructor.

Definition at line 103 of file LauSumPdf.cc.

Member Function Documentation

void LauSumPdf::cacheInfo ( const LauFitDataTree & inputData )

virtual

Cache information from data.

Parameters

[in] inputData the input data

Reimplemented from LauAbsPdf.

Definition at line 183 of file LauSumPdf.cc.

void LauSumPdf::calcLikelihoodInfo ( const LauAbscissas & abscissas )

virtual

Calculate the likelihood (and intermediate info) for a given abscissa.

Parameters

[in] abscissas the values of the abscissa(s)

Implements LauAbsPdf.

Definition at line 112 of file LauSumPdf.cc.

void LauSumPdf::calcLikelihoodInfo ( UInt_t iEvt )

virtual

Calculate the likelihood (and intermediate info) for a given event number.

Parameters

[in] iEvt event number

Reimplemented from LauAbsPdf.

Definition at line 197 of file LauSumPdf.cc.

void LauSumPdf::calcNorm ( )

virtual

Calculate the normalisation.

Reimplemented from LauAbsPdf.

Definition at line 133 of file LauSumPdf.cc.

void LauSumPdf::calcPDFHeight ( const LauKinematics * kinematics )

virtual

Calculate the PDF height.

Parameters

[in] kinematics the current DP kinematics

Implements LauAbsPdf.

Definition at line 139 of file LauSumPdf.cc.

void LauSumPdf::checkPositiveness ( )

virtual

Check that PDF is positive.

Implements LauAbsPdf.

Definition at line 174 of file LauSumPdf.cc.

virtual Bool_t LauSumPdf::isDPDependent ( ) const

inlinevirtual

Boolean for the DP dependence of PDFs in the sum.

Returns: DP dependence of PDF

Reimplemented from LauAbsPdf.

Definition at line 59 of file LauSumPdf.hh.

UInt_t LauSumPdf::nInputVars ( ) const

inlinevirtual

Returns the number of input variables.

Returns: the number of input variables

Reimplemented from LauAbsPdf.

Definition at line 53 of file LauSumPdf.hh.

Member Data Documentation

LauParameter* LauSumPdf::frac_

private

Fractional contribution of first PDF to the final PDF.

Definition at line 101 of file LauSumPdf.hh.

LauAbsPdf* LauSumPdf::pdf1_

private

First PDF.

Definition at line 95 of file LauSumPdf.hh.

LauAbsPdf* LauSumPdf::pdf2_

private

Second PDF.

Definition at line 98 of file LauSumPdf.hh.

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

inc/LauSumPdf.hh
src/LauSumPdf.cc

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation