Genfun::GaudiMathImplementation::GSLFunctionWithError Class Reference

#include <GSLFunAdapters.h>

List of all members.

Public Types
typedef int(*	Function )(double, gsl_sf_result *)
	the actual type of the function
Public Member Functions
	GSLFunctionWithError (Function function)
	mandatory macro from CLHEP/GenericFunctions
	GSLFunctionWithError (const GSLFunctionWithError &)
	copy constructor
virtual	~GSLFunctionWithError ()
	destructor
virtual double	operator() (double x) const
	the main method
virtual double	operator() (const Argument &x) const
virtual bool	hasAnalyticDerivative () const
virtual unsigned int	dimensionality () const
Genfun::Derivative	partial (unsigned int i) const
Function	function () const
	get the function itself
const gsl_sf_result &	result () const
	get the last evaluated result
double	error () const
	get the error in the last estimate of the result
Private Member Functions
	GSLFunctionWithError ()
GSLFunctionWithError &	operator= (const GSLFunctionWithError &)
Private Attributes
Function	m_function
gsl_sf_result *	m_result

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Detailed Description

Definition at line 32 of file GSLFunAdapters.h.

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Member Typedef Documentation

typedef int(* Genfun::GaudiMathImplementation::GSLFunctionWithError::Function)(double, gsl_sf_result *)

the actual type of the function

Definition at line 36 of file GSLFunAdapters.h.

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Constructor & Destructor Documentation

Genfun::GaudiMathImplementation::GSLFunctionWithError::GSLFunctionWithError

(

GSLFunctionWithError::Function

function )

mandatory macro from CLHEP/GenericFunctions

constructor with pointer to function

Definition at line 31 of file GSLFunAdapters.cpp.

      : AbsFunction()
      , m_function ( function )
      , m_result ( new gsl_sf_result() )
    {
      m_result -> val = -1.e+10 ;
      m_result -> err = -1.e+10 ;
    }

Genfun::GaudiMathImplementation::GSLFunctionWithError::GSLFunctionWithError

(

const GSLFunctionWithError &

func )

copy constructor

Definition at line 41 of file GSLFunAdapters.cpp.

      : AbsFunction()
      , m_function ( func.m_function    )
      , m_result   ( new gsl_sf_result() )
    {
      m_result -> val = func.m_result -> val ;
      m_result -> err = func.m_result -> err ;
    }

Genfun::GaudiMathImplementation::GSLFunctionWithError::~GSLFunctionWithError

(

)

[virtual]

destructor

Definition at line 50 of file GSLFunAdapters.cpp.

    { if ( 0 != m_result ) { delete m_result  ; } }

Genfun::GaudiMathImplementation::GSLFunctionWithError::GSLFunctionWithError

(

)

[private]

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Member Function Documentation

virtual unsigned int Genfun::GaudiMathImplementation::GSLFunctionWithError::dimensionality

(

)

const [inline, virtual]

Definition at line 51 of file GSLFunAdapters.h.

{ return    1 ; }

double Genfun::GaudiMathImplementation::GSLFunctionWithError::error

(

)

const

get the error in the last estimate of the result

Definition at line 85 of file GSLFunAdapters.cpp.

    { return  m_result -> err ; }

GSLFunctionWithError::Function Genfun::GaudiMathImplementation::GSLFunctionWithError::function

(

)

const

get the function itself

Definition at line 79 of file GSLFunAdapters.cpp.

    { return  m_function      ; }    

virtual bool Genfun::GaudiMathImplementation::GSLFunctionWithError::hasAnalyticDerivative

(

)

const [inline, virtual]

Definition at line 50 of file GSLFunAdapters.h.

{ return true ; }

virtual double Genfun::GaudiMathImplementation::GSLFunctionWithError::operator()

(

const Argument &

x )

const [virtual]

double Genfun::GaudiMathImplementation::GSLFunctionWithError::operator()

(

double

x )

const [virtual]

the main method

Definition at line 54 of file GSLFunAdapters.cpp.

    {
      (*m_function)( x , m_result ) ;
      return m_result -> val ;
    }

GSLFunctionWithError& Genfun::GaudiMathImplementation::GSLFunctionWithError::operator=

(

const GSLFunctionWithError &

)

[private]

Genfun::Derivative Genfun::GaudiMathImplementation::GSLFunctionWithError::partial

(

unsigned int

i )

const

Definition at line 68 of file GSLFunAdapters.cpp.

    {
      if( i >= 1 ) 
      {
        const AbsFunction& aux = GaudiMath::Constant( 0 , 1 ) ;
        return Genfun::FunctionNoop( &aux ) ;
      };
      const AbsFunction& aux = GaudiMath::Derivative( *this , i) ;
      return Genfun::FunctionNoop( &aux ) ;      
    }

const gsl_sf_result & Genfun::GaudiMathImplementation::GSLFunctionWithError::result

(

)

const

get the last evaluated result

Definition at line 82 of file GSLFunAdapters.cpp.

    { return *m_result        ; }    

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Member Data Documentation

Function Genfun::GaudiMathImplementation::GSLFunctionWithError::m_function [private]

Definition at line 66 of file GSLFunAdapters.h.

gsl_sf_result* Genfun::GaudiMathImplementation::GSLFunctionWithError::m_result [private]

Definition at line 67 of file GSLFunAdapters.h.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiGSL/GaudiMath/GSLFunAdapters.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiGSL/src/Lib/GSLFunAdapters.cpp