ROOT::Math::IntegrandTransform Class Reference

Auxiliary inner class for mapping infinite and semi-infinite integrals.

Definition at line 234 of file GaussIntegrator.h.

Public Types
enum	ESemiInfinitySign { kMinus = -1 , kPlus = +1 }
Public Types inherited from ROOT::Math::IBaseFunctionOneDim
typedef IBaseFunctionOneDim	BaseFunc

Public Member Functions
	IntegrandTransform (const double boundary, ESemiInfinitySign sign, const IGenFunction *integrand)
	IntegrandTransform (const IGenFunction *integrand)
IGenFunction *	Clone () const override
	Clone a function.
double	DoEval (double x) const override
	implementation of the evaluation function. Must be implemented by derived classes
double	operator() (double x) const
Public Member Functions inherited from ROOT::Math::IBaseFunctionOneDim
virtual	~IBaseFunctionOneDim ()=default
virtual bool	HasGradient () const
double	operator() (const double *x) const
	Evaluate the function at a point x[].
double	operator() (double x) const
	Evaluate the function at a point x.

Private Member Functions
double	DoEval (double x, double boundary, int sign) const

Private Attributes
double	fBoundary
bool	fInfiniteInterval
const IGenFunction *	fIntegrand
ESemiInfinitySign	fSign

#include <Math/GaussIntegrator.h>

Inheritance diagram for ROOT::Math::IntegrandTransform:

Member Enumeration Documentation

ESemiInfinitySign

enum ROOT::Math::IntegrandTransform::ESemiInfinitySign

Enumerator
kMinus
kPlus

Definition at line 236 of file GaussIntegrator.h.

Constructor & Destructor Documentation

IntegrandTransform() [1/2]

ROOT::Math::IntegrandTransform::IntegrandTransform

(

const IGenFunction *

integrand

)

Definition at line 225 of file GaussIntegrator.cxx.

IntegrandTransform() [2/2]

ROOT::Math::IntegrandTransform::IntegrandTransform	(	const double	boundary,
		ESemiInfinitySign	sign,
		const IGenFunction *	integrand
	)

Definition at line 229 of file GaussIntegrator.cxx.

Member Function Documentation

Clone()

IGenFunction * ROOT::Math::IntegrandTransform::Clone ( ) const

overridevirtual

Clone a function.

Each derived class will implement their version of the private DoClone method.

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 247 of file GaussIntegrator.cxx.

DoEval() [1/2]

double ROOT::Math::IntegrandTransform::DoEval ( double  x ) const

overridevirtual

implementation of the evaluation function. Must be implemented by derived classes

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 233 of file GaussIntegrator.cxx.

DoEval() [2/2]

double ROOT::Math::IntegrandTransform::DoEval ( double  x, double  boundary, int  sign  ) const

private

Definition at line 238 of file GaussIntegrator.cxx.

operator()()

double ROOT::Math::IntegrandTransform::operator()

(

double

x

)

const

Definition at line 243 of file GaussIntegrator.cxx.

Member Data Documentation

fBoundary

double ROOT::Math::IntegrandTransform::fBoundary

private

Definition at line 245 of file GaussIntegrator.h.

fInfiniteInterval

bool ROOT::Math::IntegrandTransform::fInfiniteInterval

private

Definition at line 246 of file GaussIntegrator.h.

fIntegrand

const IGenFunction* ROOT::Math::IntegrandTransform::fIntegrand

private

Definition at line 244 of file GaussIntegrator.h.

fSign

ESemiInfinitySign ROOT::Math::IntegrandTransform::fSign

private

Definition at line 243 of file GaussIntegrator.h.

Libraries for ROOT::Math::IntegrandTransform:

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

• math/mathcore/inc/Math/GaussIntegrator.h
• math/mathcore/src/GaussIntegrator.cxx