ROOT::Fit::FcnAdapter Class Reference

Description

Definition at line 27 of file FcnAdapter.h.

Inheritance diagram for ROOT::Fit::FcnAdapter:

Collaboration diagram for ROOT::Fit::FcnAdapter:

Public Types
typedef T	BackendType
typedef IBaseFunctionMultiDimTempl< T >	BaseFunc

Public Member Functions
	FcnAdapter (void(*fcn)(int &, double *, double &, double *, int), int dim=0)
virtual	~FcnAdapter ()
ROOT::Math::IMultiGenFunction *	Clone () const
virtual unsigned int	NDim () const
T	operator() (const T *x) const
void	SetDimension (int dim)

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

Private Attributes
unsigned int	fDim
void(*	fFCN )(int &, double *, double &, double *, int)

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.

Constructor & Destructor Documentation

FcnAdapter()

ROOT::Fit::FcnAdapter::FcnAdapter ( void(*)(int &, double *, double &, double *, int)  fcn, int  dim = 0  )

inline

Definition at line 31 of file FcnAdapter.h.

                                                                               :
      fDim(dim),
      fFCN(fcn)
   {}

Referenced by Clone().

~FcnAdapter()

virtual ROOT::Fit::FcnAdapter::~FcnAdapter ( )

inlinevirtual

Definition at line 36 of file FcnAdapter.h.

{}

Member Function Documentation

Clone()

ROOT::Math::IMultiGenFunction* ROOT::Fit::FcnAdapter::Clone ( ) const

inlinevirtual

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

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

Definition at line 40 of file FcnAdapter.h.

                                             {
      return new FcnAdapter(fFCN,fDim);
   }

References FcnAdapter(), fDim, and fFCN.

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DoEval()

virtual double ROOT::Fit::FcnAdapter::DoEval ( const double *  x ) const

inlineprivatevirtual

Definition at line 48 of file FcnAdapter.h.

                                                 {
      double fval = 0;
      int dim = fDim;
      // call with flag 4
      fFCN(dim, 0, fval, const_cast<double *>(x), 4);
      return fval;
   }

References fDim, and fFCN.

NDim()

virtual unsigned int ROOT::Fit::FcnAdapter::NDim ( ) const

inlinevirtual

Retrieve the dimension of the function

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

Definition at line 38 of file FcnAdapter.h.

{ return fDim; }

References fDim.

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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SetDimension()

void ROOT::Fit::FcnAdapter::SetDimension ( int  dim )

inline

Definition at line 44 of file FcnAdapter.h.

{ fDim = dim; }

References fDim.

Member Data Documentation

fDim

unsigned int ROOT::Fit::FcnAdapter::fDim

private

Definition at line 58 of file FcnAdapter.h.

Referenced by Clone(), DoEval(), NDim(), and SetDimension().

fFCN

void(* ROOT::Fit::FcnAdapter::fFCN) (int &, double *, double &, double *, int)

private

Definition at line 59 of file FcnAdapter.h.

Referenced by Clone(), and DoEval().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/3rdparty/RootMinimizers/Fit/FcnAdapter.h