TF1_EvalWrapper Class Reference

Definition at line 189 of file TF1.cxx.

Public Member Functions
	TF1_EvalWrapper (TF1 *f, const Double_t *par, bool useAbsVal, Double_t n=1, Double_t x0=0)
ROOT::Math::IGenFunction *	Clone () const override
	Clone a function.
Double_t	DoEval (Double_t x) const override
	implementation of the evaluation function. Must be implemented by derived classes
Double_t	EvalFirstMom (Double_t x)
Double_t	EvalNMom (Double_t x) const
Public Member Functions inherited from ROOT::Math::IBaseFunctionOneDim
virtual	~IBaseFunctionOneDim ()=default
double	Derivative (const double *x) const
	Compatibility method with multi-dimensional interface for partial derivative.
double	Derivative (double x) const
	Return the derivative of the function at a point x Use the private method DoDerivative.
void	FdF (const double *x, double &f, double *df) const
	Compatibility method with multi-dimensional interface for Gradient and function evaluation.
virtual void	FdF (double x, double &f, double &df) const
	Optimized method to evaluate at the same time the function value and derivative at a point x.
void	Gradient (const double *x, double *g) const
	Compatibility method with multi-dimensional interface for Gradient.
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.

Public Attributes
Bool_t	fAbsVal
TF1 *	fFunc
Double_t	fN
const double *	fPar
Double_t	fX [1]
Double_t	fX0

Additional Inherited Members
Public Types inherited from ROOT::Math::IBaseFunctionOneDim
typedef IBaseFunctionOneDim	BaseFunc

Inheritance diagram for TF1_EvalWrapper:

Constructor & Destructor Documentation

TF1_EvalWrapper()

TF1_EvalWrapper::TF1_EvalWrapper ( TF1 * f, const Double_t * par, bool useAbsVal, Double_t n = 1, Double_t x0 = 0 )

inline

Definition at line 191 of file TF1.cxx.

Member Function Documentation

Clone()

ROOT::Math::IGenFunction * TF1_EvalWrapper::Clone ( ) const

inlineoverridevirtual

Clone a function.

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

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 202 of file TF1.cxx.

DoEval()

Double_t TF1_EvalWrapper::DoEval ( Double_t x ) const

inlineoverridevirtual

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

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 210 of file TF1.cxx.

EvalFirstMom()

Double_t TF1_EvalWrapper::EvalFirstMom ( Double_t x )

inline

Definition at line 219 of file TF1.cxx.

EvalNMom()

Double_t TF1_EvalWrapper::EvalNMom ( Double_t x ) const

inline

Definition at line 225 of file TF1.cxx.

Member Data Documentation

fAbsVal

Bool_t TF1_EvalWrapper::fAbsVal

Definition at line 234 of file TF1.cxx.

fFunc

TF1* TF1_EvalWrapper::fFunc

Definition at line 231 of file TF1.cxx.

fN

Double_t TF1_EvalWrapper::fN

Definition at line 235 of file TF1.cxx.

fPar

const double* TF1_EvalWrapper::fPar

Definition at line 233 of file TF1.cxx.

fX

Double_t TF1_EvalWrapper::fX[1]

mutable

Definition at line 232 of file TF1.cxx.

fX0

Double_t TF1_EvalWrapper::fX0

Definition at line 236 of file TF1.cxx.