#include <TransposedFactorisedDensity.hh>

Inheritance diagram for TransposedFactorisedDensity:

Public Member Functions
	TransposedFactorisedDensity (const char pdfName, AbsPhaseSpace thePhaseSpace, AbsDensity density1, AbsDensity density2, UInt_t index)
	Constructor of factorised density of an arbitrary number of density components. More...

virtual	~TransposedFactorisedDensity ()
	Destructor. More...

Double_t	density (std::vector< Double_t > &x)
	Calculate PDF value at the given point. More...

AbsPhaseSpace *	phaseSpace ()
	Return phase space definition for this PDF. More...

Public Member Functions inherited from AbsDensity
	AbsDensity (const char *pdfName)
	Constructor. More...

virtual	~AbsDensity ()
	Destructor. More...

void	slice (std::vector< Double_t > &x, UInt_t num, TH1F *hist)
	Calculate 1D slice of the PDF. More...

void	slice (std::vector< Double_t > &x, UInt_t numx, UInt_t numy, TH2F *hist, Bool_t inPhaseSpace=true)
	Calculate 2D slice of the PDF. More...

double	transform (TH1F hist1, TH1F hist2, double x)

void	project (TH1F *hist)
	Calculate projection of the 1D PDF. More...

void	project (TH2F *hist, Bool_t inPhaseSpace=true)
	Calculate projection of the 2D PDF. More...

void	setMajorant (Double_t majorant)
	Set majorant for accept-reject method. More...

void	setMaxTries (UInt_t maxTries)
	Set maximum number of tries for accept-reject method. More...

Double_t	generate (std::vector< Double_t > &x)
	Generate a single point within the phase space according to the PDF using accept-reject method. More...

void	generate (TNtuple *tree, UInt_t numEvents)
	Generate a sample of points within the phase space according to the PDF using accept-reject method. More...

const char *	name (void)
	Return the name of the PDF. More...

void	setSeed (UInt_t seed=0)
	Set random seed. More...

Private Attributes
AbsPhaseSpace *	m_phaseSpace
	Reference to phase space. More...

AbsDensity *	m_density1
	Density component 1. More...

AbsDensity *	m_density2
	Density component 2. More...

UInt_t	m_index
	Index at which density 2 phase space is inserted. More...

UInt_t	m_dim
	Cached dimensionality of the combined phase space. More...

UInt_t	m_dim1
	Cached dimensionality of the density 1 phase space. More...

UInt_t	m_dim2
	Cached dimensionality of the density 2 phase space. More...

Additional Inherited Members
Protected Attributes inherited from AbsDensity
char	m_name [256]
	PDF name. More...

Double_t	m_majorant
	PDF majorant (maximum PDF value needed for accept-reject). More...

UInt_t	m_maxTries
	Maximum number of tries for accept-reject method. More...

TRandom3	m_rnd
	Random number generator. More...

Detailed Description

Class that describes the "transposed" factorised density: the product of densities of two components where the variables of 2nd component can be placed at an arbitrary position in the 1st component

Definition at line 14 of file TransposedFactorisedDensity.hh.

Constructor & Destructor Documentation

TransposedFactorisedDensity::TransposedFactorisedDensity	(	const char *	pdfName,
		AbsPhaseSpace *	thePhaseSpace,
		AbsDensity *	density1,
		AbsDensity *	density2,
		UInt_t	index
	)

Constructor of factorised density of an arbitrary number of density components.

Parameters

[in]	pdfName	PDF name
[in]	thePhaseSpace	phase space. Dimensionality of the phase space should be equal to the sum of dimensionalities of all density components.
[in]	density1	1st density components.
[in]	density2	2nd density components.
[in]	index	index in 1st at which to insert 2nd density