ROOT::Math::GSLFunctionDerivWrapper Class Reference

Description

class to wrap a gsl_function_fdf (with derivatives)

Definition at line 105 of file GSLFunctionWrapper.h.

Public Member Functions
	GSLFunctionDerivWrapper ()
double	Derivative (double x)
void	Fdf (double x, double &f, double &df)
gsl_function_fdf *	GetFunc ()
bool	IsValid ()
	check if function is valid (has been set) More...
double	operator() (double x)
void	SetDerivPointer (GSLFuncPointer f)
void	SetFdfPointer (GSLFdfPointer f)
void	SetFuncPointer (GSLFuncPointer f)
void	SetParams (void *p)

Private Attributes
gsl_function_fdf	fFunc

Constructor & Destructor Documentation

GSLFunctionDerivWrapper()

ROOT::Math::GSLFunctionDerivWrapper::GSLFunctionDerivWrapper ( )

inline

Definition at line 109 of file GSLFunctionWrapper.h.

     {
        fFunc.f = 0;
        fFunc.df = 0;
        fFunc.fdf = 0;
        fFunc.params = 0;
     }

References fFunc.

Member Function Documentation

Derivative()

double ROOT::Math::GSLFunctionDerivWrapper::Derivative ( double  x )

inline

Definition at line 129 of file GSLFunctionWrapper.h.

{ return GSL_FN_FDF_EVAL_DF(&fFunc, x); }

References fFunc.

Fdf()

void ROOT::Math::GSLFunctionDerivWrapper::Fdf ( double  x, double &  f, double &  df  )

inline

Definition at line 131 of file GSLFunctionWrapper.h.

                                                {
      return GSL_FN_FDF_EVAL_F_DF(&fFunc, x, &f, &df);
    }

References fFunc.

GetFunc()

gsl_function_fdf* ROOT::Math::GSLFunctionDerivWrapper::GetFunc ( )

inline

Definition at line 124 of file GSLFunctionWrapper.h.

{ return &fFunc; }

References fFunc.

IsValid()

bool ROOT::Math::GSLFunctionDerivWrapper::IsValid ( )

inline

check if function is valid (has been set)

Definition at line 136 of file GSLFunctionWrapper.h.

                  {
      return (fFunc.f != 0 ) ? true : false;
   }

References fFunc.

operator()()

double ROOT::Math::GSLFunctionDerivWrapper::operator() ( double  x )

inline

Definition at line 127 of file GSLFunctionWrapper.h.

{  return GSL_FN_FDF_EVAL_F(&fFunc, x); }

References fFunc.

SetDerivPointer()

void ROOT::Math::GSLFunctionDerivWrapper::SetDerivPointer ( GSLFuncPointer  f )

inline

Definition at line 119 of file GSLFunctionWrapper.h.

{ fFunc.df = f; }

References fFunc.

SetFdfPointer()

void ROOT::Math::GSLFunctionDerivWrapper::SetFdfPointer ( GSLFdfPointer  f )

inline

Definition at line 120 of file GSLFunctionWrapper.h.

{ fFunc.fdf = f; }

References fFunc.

SetFuncPointer()

void ROOT::Math::GSLFunctionDerivWrapper::SetFuncPointer ( GSLFuncPointer  f )

inline

Definition at line 118 of file GSLFunctionWrapper.h.

{ fFunc.f = f; }

References fFunc.

SetParams()

void ROOT::Math::GSLFunctionDerivWrapper::SetParams ( void *  p )

inline

Definition at line 121 of file GSLFunctionWrapper.h.

{ fFunc.params = p; }

References fFunc.

Member Data Documentation

fFunc

gsl_function_fdf ROOT::Math::GSLFunctionDerivWrapper::fFunc

private

Definition at line 141 of file GSLFunctionWrapper.h.

Referenced by GSLFunctionDerivWrapper(), Derivative(), Fdf(), GetFunc(), IsValid(), operator()(), SetDerivPointer(), SetFdfPointer(), SetFuncPointer(), and SetParams().

---

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/Fit/3rdparty/RootMinimizers/mathcore/Math/GSLFunctionWrapper.h