Description

wrapper to a multi-dim function withtout derivatives for multi-dimensional minimization algorithm

Definition at line 59 of file GSLMultiFitFunctionWrapper.h.

Public Member Functions
	GSLMultiFitFunctionWrapper ()

gsl_multifit_function_fdf *	GetFunc ()

template<class FuncVector >
void	SetFunction (const FuncVector &f, unsigned int nres, unsigned int npar)
	Fill gsl function structure from a C++ function iterator and size and number of residuals. More...

Private Attributes
gsl_multifit_function_fdf	fFunc

Constructor & Destructor Documentation

◆ GSLMultiFitFunctionWrapper()

ROOT::Math::GSLMultiFitFunctionWrapper::GSLMultiFitFunctionWrapper ( )

inline

Definition at line 63 of file GSLMultiFitFunctionWrapper.h.

    {
       fFunc.f = 0;
       fFunc.df = 0;
       fFunc.fdf = 0;
       fFunc.n = 0;
       fFunc.p = 0;
       fFunc.params = 0;
 #if GSL_MAJOR_VERSION > 1
       fFunc.nevalf = 0;
       fFunc.nevaldf = 0;
 #endif
    }

References fFunc.

Member Function Documentation

◆ GetFunc()

gsl_multifit_function_fdf* ROOT::Math::GSLMultiFitFunctionWrapper::GetFunc ( )

inline

Definition at line 91 of file GSLMultiFitFunctionWrapper.h.

91 { return &fFunc; }

References fFunc.

Referenced by ROOT::Math::GSLMultiFit::Set().

◆ SetFunction()

template<class FuncVector >

void ROOT::Math::GSLMultiFitFunctionWrapper::SetFunction	(	const FuncVector &	f,
		unsigned int	nres,
		unsigned int	npar
	)

inline

Fill gsl function structure from a C++ function iterator and size and number of residuals.

Definition at line 80 of file GSLMultiFitFunctionWrapper.h.

                                                                                   {
       const void * p = &f;
       assert (p != 0);
       fFunc.f   = &GSLMultiFitFunctionAdapter<FuncVector >::F;
       fFunc.df  = &GSLMultiFitFunctionAdapter<FuncVector >::Df;
       fFunc.fdf = &GSLMultiFitFunctionAdapter<FuncVector >::FDf;
       fFunc.n = nres;
       fFunc.p = npar;
       fFunc.params =  const_cast<void *>(p);
    }