RooAdaptiveIntegratorND Class Reference

Adaptive one-dimensional numerical integration algorithm.

Definition at line 32 of file RooAdaptiveIntegratorND.h.

Public Member Functions
	RooAdaptiveIntegratorND (const RooAbsFunc &function, const RooNumIntConfig &config)
	Constructor of integral on given function binding and with given configuration.
	~RooAdaptiveIntegratorND () override
	Destructor.
bool	checkLimits () const override
	Check that our integration range is finite and otherwise return false.
double	integral (const double *yvec=nullptr) override
	Evaluate integral at given function binding parameter values.
virtual bool	setLimits (double *, double *)
bool	setLimits (double *xmin, double *xmax) override
	Change our integration limits.
virtual bool	setLimits (double xmin, double xmax)
	Interface to set limits on integration.
bool	setUseIntegrandLimits (bool flag) override
	Interface function that allows to defer limit definition to integrand definition.
Public Member Functions inherited from RooAbsIntegrator
	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.
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
void	setPrintEvalCounter (bool value)

Protected Member Functions
	RooAdaptiveIntegratorND (const RooAdaptiveIntegratorND &)

Static Protected Member Functions
static void	registerIntegrator (RooNumIntFactory &fact)
	Register RooAdaptiveIntegratorND, its parameters, dependencies and capabilities with RooNumIntFactory.

Protected Attributes
double	_epsAbs
	Absolute precision.
double	_epsRel
	Relative precision.
std::unique_ptr< ROOT::Math::IMultiGenFunction >	_func
	! ROOT::Math multi-parameter function binding
ROOT::Math::AdaptiveIntegratorMultiDim *	_integrator
TString	_intName
	Integrand name.
Int_t	_nError
	Number of error occurrences.
Int_t	_nmax
	Max number of divisions.
Int_t	_nWarn
	Max number of warnings to be issued ;.
std::unique_ptr< RooFunctor >	_rooFunctor
	! RooFunctor binding
bool	_useIntegrandLimits
	If true limits of function binding are used.
std::vector< double >	_xmax
	Upper bound in each dimension.
std::vector< double >	_xmin
	Lower bound in each dimension.
Protected Attributes inherited from RooAbsIntegrator
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?

Friends
class	RooNumIntFactory

#include </home/sftnight/build/workspace/root-makedoc-v632/rootspi/rdoc/src/v6-32-00-patches/roofit/roofitcore/src/RooAdaptiveIntegratorND.h>

Inheritance diagram for RooAdaptiveIntegratorND:

Constructor & Destructor Documentation

RooAdaptiveIntegratorND() [1/2]

RooAdaptiveIntegratorND::RooAdaptiveIntegratorND	(	const RooAbsFunc &	function,
		const RooNumIntConfig &	config
	)

Constructor of integral on given function binding and with given configuration.

The integration limits are taken from the definition in the function binding _func = function.

Definition at line 73 of file RooAdaptiveIntegratorND.cxx.

~RooAdaptiveIntegratorND()

RooAdaptiveIntegratorND::~RooAdaptiveIntegratorND ( )

override

Destructor.

Definition at line 104 of file RooAdaptiveIntegratorND.cxx.

RooAdaptiveIntegratorND() [2/2]

RooAdaptiveIntegratorND::RooAdaptiveIntegratorND ( const RooAdaptiveIntegratorND &  )

protected

Member Function Documentation

checkLimits()

bool RooAdaptiveIntegratorND::checkLimits ( ) const

overridevirtual

Check that our integration range is finite and otherwise return false.

Update the limits from the integrand if requested.

Reimplemented from RooAbsIntegrator.

Definition at line 120 of file RooAdaptiveIntegratorND.cxx.

integral()

double RooAdaptiveIntegratorND::integral ( const double *  yvec = nullptr )

overridevirtual

Evaluate integral at given function binding parameter values.

Implements RooAbsIntegrator.

Definition at line 163 of file RooAdaptiveIntegratorND.cxx.

registerIntegrator()

void RooAdaptiveIntegratorND::registerIntegrator ( RooNumIntFactory &  fact )

staticprotected

Register RooAdaptiveIntegratorND, its parameters, dependencies and capabilities with RooNumIntFactory.

Definition at line 48 of file RooAdaptiveIntegratorND.cxx.

setLimits() [1/3]

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

inlinevirtual

Reimplemented from RooAbsIntegrator.

Definition at line 54 of file RooAbsIntegrator.h.

setLimits() [2/3]

bool RooAdaptiveIntegratorND::setLimits ( double *  xmin, double *  xmax  )

overridevirtual

Change our integration limits.

Return true if the new limits are ok, or otherwise false. Always returns false and does nothing if this object was constructed to always use our integrand's limits.

Reimplemented from RooAbsIntegrator.

Definition at line 143 of file RooAdaptiveIntegratorND.cxx.

setLimits() [3/3]

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

virtual

Interface to set limits on integration.

Reimplemented from RooAbsIntegrator.

Definition at line 55 of file RooAbsIntegrator.cxx.

setUseIntegrandLimits()

bool RooAdaptiveIntegratorND::setUseIntegrandLimits ( bool  flag )

inlineoverridevirtual

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

Reimplemented from RooAbsIntegrator.

Definition at line 45 of file RooAdaptiveIntegratorND.h.

Friends And Related Symbol Documentation

RooNumIntFactory

friend class RooNumIntFactory

friend

Definition at line 68 of file RooAdaptiveIntegratorND.h.

Member Data Documentation

_epsAbs

double RooAdaptiveIntegratorND::_epsAbs

protected

Absolute precision.

Definition at line 59 of file RooAdaptiveIntegratorND.h.

_epsRel

double RooAdaptiveIntegratorND::_epsRel

protected

Relative precision.

Definition at line 58 of file RooAdaptiveIntegratorND.h.

_func

std::unique_ptr<ROOT::Math::IMultiGenFunction> RooAdaptiveIntegratorND::_func

protected

! ROOT::Math multi-parameter function binding

Definition at line 64 of file RooAdaptiveIntegratorND.h.

_integrator

ROOT::Math::AdaptiveIntegratorMultiDim* RooAdaptiveIntegratorND::_integrator

protected

Definition at line 65 of file RooAdaptiveIntegratorND.h.

_intName

TString RooAdaptiveIntegratorND::_intName

protected

Integrand name.

Definition at line 66 of file RooAdaptiveIntegratorND.h.

_nError

Int_t RooAdaptiveIntegratorND::_nError

protected

Number of error occurrences.

Definition at line 61 of file RooAdaptiveIntegratorND.h.

_nmax

Int_t RooAdaptiveIntegratorND::_nmax

protected

Max number of divisions.

Definition at line 60 of file RooAdaptiveIntegratorND.h.

_nWarn

Int_t RooAdaptiveIntegratorND::_nWarn

protected

Max number of warnings to be issued ;.

Definition at line 62 of file RooAdaptiveIntegratorND.h.

_rooFunctor

std::unique_ptr<RooFunctor> RooAdaptiveIntegratorND::_rooFunctor

protected

! RooFunctor binding

Definition at line 63 of file RooAdaptiveIntegratorND.h.

_useIntegrandLimits

bool RooAdaptiveIntegratorND::_useIntegrandLimits

protected

If true limits of function binding are used.

Definition at line 54 of file RooAdaptiveIntegratorND.h.

_xmax

std::vector<double> RooAdaptiveIntegratorND::_xmax

mutableprotected

Upper bound in each dimension.

Definition at line 57 of file RooAdaptiveIntegratorND.h.

_xmin

std::vector<double> RooAdaptiveIntegratorND::_xmin

mutableprotected

Lower bound in each dimension.

Definition at line 56 of file RooAdaptiveIntegratorND.h.