ROOT::Math::Functor1D Class Reference

Functor1D class for one-dimensional functions.

It is used to wrap in a very simple and convenient way:

• any C++ callable object implemention double operator()( double )
• a free C function of type double ()(double )
• a member function with the correct signature like Foo::Eval(double ). In this case one pass the object pointer and a pointer to the member function (&Foo::Eval)

Definition at line 495 of file Functor.h.

Public Types
typedef FunctorImpl< IBaseFunctionOneDim >	Impl
typedef IBaseFunctionOneDim::BaseFunc	ImplBase
Public Types inherited from ROOT::Math::IBaseFunctionOneDim
typedef IBaseFunctionOneDim	BaseFunc

Public Member Functions
	Functor1D ()
	Default constructor.
template<typename Func >
	Functor1D (const Func &f)
	construct from a callable object with the right signature implementing operator() (double x)
	Functor1D (const Functor1D &rhs)
	Copy constructor for Functor based on ROOT::Math::IGenFunction.
template<class PtrObj , typename MemFn >
	Functor1D (const PtrObj &p, MemFn memFn)
	construct from a pointer to member function (1D type)
virtual	~Functor1D ()
	Destructor (no operations)
ImplBase *	Clone () const
	Clone a function.
Functor1D &	operator= (const Functor1D &rhs)
	Assignment operator.
Public Member Functions inherited from ROOT::Math::IBaseFunctionOneDim
	IBaseFunctionOneDim ()
virtual	~IBaseFunctionOneDim ()
	virtual destructor
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 Use the a pure virtual private method DoEval which must be implemented by sub-classes.

Private Member Functions
double	DoEval (double x) const
	implementation of the evaluation function. Must be implemented by derived classes

Private Attributes
std::unique_ptr< Impl >	fImpl

#include <Math/Functor.h>

Inheritance diagram for ROOT::Math::Functor1D:

Member Typedef Documentation

Impl

typedef FunctorImpl<IBaseFunctionOneDim> ROOT::Math::Functor1D::Impl

Definition at line 500 of file Functor.h.

ImplBase

typedef IBaseFunctionOneDim::BaseFunc ROOT::Math::Functor1D::ImplBase

Definition at line 501 of file Functor.h.

Constructor & Destructor Documentation

Functor1D() [1/4]

ROOT::Math::Functor1D::Functor1D ( )

inline

Default constructor.

Definition at line 506 of file Functor.h.

Functor1D() [2/4]

template<typename Func >

ROOT::Math::Functor1D::Functor1D ( const Func &  f )

inline

construct from a callable object with the right signature implementing operator() (double x)

Definition at line 513 of file Functor.h.

Functor1D() [3/4]

template<class PtrObj , typename MemFn >

ROOT::Math::Functor1D::Functor1D ( const PtrObj &  p, MemFn  memFn  )

inline

construct from a pointer to member function (1D type)

Definition at line 522 of file Functor.h.

~Functor1D()

virtual ROOT::Math::Functor1D::~Functor1D ( )

inlinevirtual

Destructor (no operations)

Definition at line 530 of file Functor.h.

Functor1D() [4/4]

ROOT::Math::Functor1D::Functor1D ( const Functor1D &  rhs )

inline

Copy constructor for Functor based on ROOT::Math::IGenFunction.

Definition at line 536 of file Functor.h.

Member Function Documentation

Clone()

ImplBase * ROOT::Math::Functor1D::Clone ( ) const

inlinevirtual

Clone a function.

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

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 555 of file Functor.h.

DoEval()

double ROOT::Math::Functor1D::DoEval ( double  x ) const

inlineprivatevirtual

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

Implements ROOT::Math::IBaseFunctionOneDim.

Definition at line 559 of file Functor.h.

operator=()

Functor1D & ROOT::Math::Functor1D::operator= ( const Functor1D &  rhs )

inline

Assignment operator.

Definition at line 548 of file Functor.h.

Member Data Documentation

fImpl

std::unique_ptr<Impl> ROOT::Math::Functor1D::fImpl

private

Definition at line 563 of file Functor.h.

Libraries for ROOT::Math::Functor1D:

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

• math/mathcore/inc/Math/Functor.h