RooAbsIntegrator Class Reference

Abstract interface for integrators of real-valued functions that implement the RooAbsFunc interface.

Definition at line 22 of file RooAbsIntegrator.h.

Public Member Functions
	RooAbsIntegrator ()
	RooAbsIntegrator (const RooAbsFunc &function, bool printEvalCounter=false)
	Copy constructor.
virtual	~RooAbsIntegrator ()=default
double	calculate (const double *yvec=nullptr)
	Calculate integral value with given array of parameter values.
virtual bool	checkLimits () const
	If true, finite limits are required on the observable range.
virtual double	integral (const double *yvec=nullptr)=0
const RooAbsFunc *	integrand () const
	Return integrand function binding.
double	integrand (const double x[]) const
	Return value of integrand at given observable values.
bool	isValid () const
	Is integrator in valid state.
bool	printEvalCounter () const
virtual bool	setLimits (double *, double *)
virtual bool	setLimits (double xmin, double xmax)
	Interface to set limits on integration.
void	setPrintEvalCounter (bool value)
virtual bool	setUseIntegrandLimits (bool flag)
	Interface function that allows to defer limit definition to integrand definition.

Protected Attributes
const RooAbsFunc *	_function = nullptr
	Pointer to function binding of integrand.
bool	_printEvalCounter = false
	If true print number of function evaluation required for integration.
bool	_valid = false
	Is integrator in valid state?

#include <RooAbsIntegrator.h>

Inheritance diagram for RooAbsIntegrator:

Constructor & Destructor Documentation

RooAbsIntegrator() [1/2]

RooAbsIntegrator::RooAbsIntegrator ( )

default

RooAbsIntegrator() [2/2]

RooAbsIntegrator::RooAbsIntegrator	(	const RooAbsFunc &	function,
		bool	printEvalCounter = false
	)

Copy constructor.

Definition at line 39 of file RooAbsIntegrator.cxx.

~RooAbsIntegrator()

virtual RooAbsIntegrator::~RooAbsIntegrator ( )

virtualdefault

Member Function Documentation

calculate()

double RooAbsIntegrator::calculate

(

const double *

yvec = nullptr

)

Calculate integral value with given array of parameter values.

Definition at line 49 of file RooAbsIntegrator.cxx.

checkLimits()

virtual bool RooAbsIntegrator::checkLimits ( ) const

inlinevirtual

If true, finite limits are required on the observable range.

Reimplemented in RooAdaptiveIntegratorND, RooBinIntegrator, RooImproperIntegrator1D, RooMCIntegrator, RooRombergIntegrator, RooAdaptiveGaussKronrodIntegrator1D, and RooGaussKronrodIntegrator1D.

Definition at line 44 of file RooAbsIntegrator.h.

integral()

virtual double RooAbsIntegrator::integral ( const double *  yvec = nullptr )

pure virtual

Implemented in RooAdaptiveIntegratorND, RooBinIntegrator, RooImproperIntegrator1D, RooMCIntegrator, RooRombergIntegrator, RooAdaptiveGaussKronrodIntegrator1D, and RooGaussKronrodIntegrator1D.

integrand() [1/2]

const RooAbsFunc * RooAbsIntegrator::integrand ( ) const

inline

Return integrand function binding.

Definition at line 39 of file RooAbsIntegrator.h.

integrand() [2/2]

double RooAbsIntegrator::integrand ( const double  x[] ) const

inline

Return value of integrand at given observable values.

Definition at line 34 of file RooAbsIntegrator.h.

isValid()

bool RooAbsIntegrator::isValid ( ) const

inline

Is integrator in valid state.

Definition at line 29 of file RooAbsIntegrator.h.

printEvalCounter()

bool RooAbsIntegrator::printEvalCounter ( ) const

inline

Definition at line 51 of file RooAbsIntegrator.h.

setLimits() [1/2]

virtual bool RooAbsIntegrator::setLimits ( double *  , double *    )

inlinevirtual

Reimplemented in RooAdaptiveIntegratorND, RooBinIntegrator, RooImproperIntegrator1D, RooRombergIntegrator, RooAdaptiveGaussKronrodIntegrator1D, RooGaussKronrodIntegrator1D, RooAdaptiveIntegratorND, RooBinIntegrator, RooImproperIntegrator1D, RooRombergIntegrator, RooAdaptiveGaussKronrodIntegrator1D, and RooGaussKronrodIntegrator1D.

Definition at line 54 of file RooAbsIntegrator.h.

setLimits() [2/2]

bool RooAbsIntegrator::setLimits ( double  xmin, double  xmax  )

virtual

Interface to set limits on integration.

Reimplemented in RooAdaptiveIntegratorND, RooBinIntegrator, RooImproperIntegrator1D, RooRombergIntegrator, RooAdaptiveGaussKronrodIntegrator1D, and RooGaussKronrodIntegrator1D.

Definition at line 66 of file RooAbsIntegrator.cxx.

setPrintEvalCounter()

void RooAbsIntegrator::setPrintEvalCounter ( bool  value )

inline

Definition at line 52 of file RooAbsIntegrator.h.

setUseIntegrandLimits()

bool RooAbsIntegrator::setUseIntegrandLimits ( bool  flag )

virtual

Interface function that allows to defer limit definition to integrand definition.

Reimplemented in RooAdaptiveIntegratorND, RooBinIntegrator, RooImproperIntegrator1D, RooRombergIntegrator, RooAdaptiveGaussKronrodIntegrator1D, and RooGaussKronrodIntegrator1D.

Definition at line 76 of file RooAbsIntegrator.cxx.

Member Data Documentation

_function

const RooAbsFunc* RooAbsIntegrator::_function = nullptr

protected

Pointer to function binding of integrand.

Definition at line 60 of file RooAbsIntegrator.h.

_printEvalCounter

bool RooAbsIntegrator::_printEvalCounter = false

protected

If true print number of function evaluation required for integration.

Definition at line 62 of file RooAbsIntegrator.h.

_valid

bool RooAbsIntegrator::_valid = false

protected

Is integrator in valid state?

Definition at line 61 of file RooAbsIntegrator.h.

Libraries for RooAbsIntegrator:

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

• roofit/roofitcore/inc/RooAbsIntegrator.h
• roofit/roofitcore/src/RooAbsIntegrator.cxx