RootScalarFunction Class Reference

Description

The chi2 function for use in minimizers.

Definition at line 36 of file RootScalarFunction.h.

Inheritance diagram for RootScalarFunction:

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Public Types
typedef T	BackendType
typedef IBaseFunctionMultiDimTempl< T >	BaseFunc
typedef FunctorImpl< IBaseFunctionMultiDim >	Impl
typedef IBaseFunctionMultiDim::BaseFunc	ImplBase

Public Member Functions
	RootScalarFunction (root_scalar_t fcn, int ndims)
ImplBase *	Clone () const
unsigned int	NDim () const
T	operator() (const T *x) const

Private Member Functions
double	DoEval (const double *x) const

Private Attributes
std::unique_ptr< Impl >	fImpl

Member Typedef Documentation

BackendType

template<class T >

typedef T ROOT::Math::IBaseFunctionMultiDimTempl< T >::BackendType

inherited

Definition at line 66 of file IFunction.h.

BaseFunc

template<class T >

typedef IBaseFunctionMultiDimTempl<T> ROOT::Math::IBaseFunctionMultiDimTempl< T >::BaseFunc

inherited

Definition at line 67 of file IFunction.h.

Impl

typedef FunctorImpl<IBaseFunctionMultiDim> ROOT::Math::Functor::Impl

inherited

Definition at line 397 of file Functor.h.

ImplBase

typedef IBaseFunctionMultiDim::BaseFunc ROOT::Math::Functor::ImplBase

inherited

Definition at line 398 of file Functor.h.

Constructor & Destructor Documentation

RootScalarFunction()

RootScalarFunction::RootScalarFunction	(	root_scalar_t	fcn,
		int	ndims
	)

Definition at line 17 of file RootScalarFunction.cpp.

    : ROOT::Math::Functor(fcn, static_cast<unsigned int>(ndims))
{
}

Member Function Documentation

Clone()

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

inlinevirtualinherited

Clone a function. Each derived class must implement their version of the Clone method

Implements ROOT::Math::IBaseFunctionMultiDimTempl< T >.

Definition at line 454 of file Functor.h.

{ return new Functor(*this); }

References ROOT::Math::Functor::Functor().

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DoEval()

double ROOT::Math::Functor::DoEval ( const double *  x ) const

inlineprivateinherited

Definition at line 462 of file Functor.h.

                                                 {
      return (*fImpl)(x);
   }

References ROOT::Math::Functor::fImpl.

NDim()

unsigned int ROOT::Math::Functor::NDim ( ) const

inlinevirtualinherited

Retrieve the dimension of the function

Implements ROOT::Math::IBaseFunctionMultiDimTempl< T >.

Definition at line 457 of file Functor.h.

{ return fImpl->NDim(); }

References ROOT::Math::Functor::fImpl.

operator()()

template<class T >

T ROOT::Math::IBaseFunctionMultiDimTempl< T >::operator() ( const T *  x ) const

inlineinherited

Evaluate the function at a point x[]. Use the pure virtual private method DoEval which must be implemented by the sub-classes

Definition at line 92 of file IFunction.h.

         {
            return DoEval(x);
         }

References ROOT::Math::IBaseFunctionMultiDimTempl< T >::DoEval().

Referenced by ROOT::Math::IGradientFunctionMultiDimTempl< T >::FdF().

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Member Data Documentation

fImpl

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

privateinherited

Definition at line 467 of file Functor.h.

Referenced by ROOT::Math::Functor::Functor(), ROOT::Math::Functor::DoEval(), ROOT::Math::Functor::NDim(), and ROOT::Math::Functor::operator=().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/Adapter/RootScalarFunction.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/Adapter/RootScalarFunction.cpp