ROOT::Math::IntegrandTransform Class Reference

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

Definition at line 240 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 IGenFunction *integrand)
	IntegrandTransform (const double boundary, ESemiInfinitySign sign, const IGenFunction *integrand)
double	operator() (double x) const
double	DoEval (double x) const
	implementation of the evaluation function. Must be implemented by derived classes More...
IGenFunction *	Clone () const
	Clone a function. More...
Public Member Functions inherited from ROOT::Math::IBaseFunctionOneDim
	IBaseFunctionOneDim ()
virtual	~IBaseFunctionOneDim ()
	virtual destructor More...
double	operator() (double x) const
	Evaluate the function at a point x Use the a pure virtual private method DoEval which must be implemented by sub-classes. More...
double	operator() (const double *x) const
	Evaluate the function at a point x[]. More...

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

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

#include <Math/GaussIntegrator.h>

Inheritance diagram for ROOT::Math::IntegrandTransform:

Collaboration diagram for ROOT::Math::IntegrandTransform:

Member Enumeration Documentation

enum ROOT::Math::IntegrandTransform::ESemiInfinitySign

Enumerator
kMinus
kPlus

Definition at line 242 of file GaussIntegrator.h.

Constructor & Destructor Documentation

ROOT::Math::IntegrandTransform::IntegrandTransform

(

const IGenFunction *

integrand

)

Definition at line 221 of file GaussIntegrator.cxx.

Referenced by Clone().

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

Definition at line 225 of file GaussIntegrator.cxx.

Member Function Documentation

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

virtual

Clone a function.

Each derived class will implement their version of the provate DoClone method

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 243 of file GaussIntegrator.cxx.

Referenced by ROOT::Math::GaussIntegrator::Integral(), ROOT::Math::GaussIntegrator::IntegralLow(), and ROOT::Math::GaussIntegrator::IntegralUp().

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

virtual

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

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 229 of file GaussIntegrator.cxx.

Referenced by operator()().

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

private

Definition at line 234 of file GaussIntegrator.cxx.

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

(

double

x

)

const

Definition at line 239 of file GaussIntegrator.cxx.

Member Data Documentation

double ROOT::Math::IntegrandTransform::fBoundary

private

Definition at line 251 of file GaussIntegrator.h.

Referenced by Clone(), and DoEval().

bool ROOT::Math::IntegrandTransform::fInfiniteInterval

private

Definition at line 252 of file GaussIntegrator.h.

Referenced by Clone(), and DoEval().

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

private

Definition at line 250 of file GaussIntegrator.h.

Referenced by Clone(), and DoEval().

ESemiInfinitySign ROOT::Math::IntegrandTransform::fSign

private

Definition at line 249 of file GaussIntegrator.h.

Referenced by Clone(), and DoEval().

---

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

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