Gaudi Framework, version v23r2

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Genfun::GaudiMathImplementation::Constant Class Reference

Fixed constant function. More...

#include <GaudiMath/Constant.h>

List of all members.

Public Member Functions

 Constant (const double value, const size_t dim)
 From CLHEP/GenericFunctions.
 Constant (const Constant &right)
 copy constructor
virtual ~Constant ()
 destructor
virtual unsigned int dimensionality () const
 dimensionality of the problem
virtual bool hasAnalyticDerivative () const
 Does this function have an analytic derivative?
virtual double operator() (double) const
 Function value.
virtual double operator() (const Argument &) const
 Function value.
virtual Derivative partial (unsigned int i) const
 Derivatives.

Private Member Functions

 Constant ()
Constantoperator= (const Constant &)

Private Attributes

double m_value
size_t m_DIM

Detailed Description

Fixed constant function.

Author:
Vanya BELYAEV Ivan.Belyaev@itep.ru
Date:
2003-08-31

Definition at line 25 of file Constant.h.


Constructor & Destructor Documentation

Genfun::GaudiMathImplementation::Constant::Constant ( const double  value,
const size_t  dim 
)

From CLHEP/GenericFunctions.

from CLHGEP/GenericFunctions

Standard constructor

Parameters:
valueof the function
dimdimensionality

Definition at line 31 of file Constant.cpp.

      : AbsFunction () 
      , m_value     ( value ) 
      , m_DIM       ( dim   ) 
    {}
Genfun::GaudiMathImplementation::Constant::Constant ( const Constant right )

copy constructor

Definition at line 43 of file Constant.cpp.

      : AbsFunction() 
      , m_value ( right.m_value ) 
      , m_DIM   ( right.m_DIM   )
    {}
Genfun::GaudiMathImplementation::Constant::~Constant (  ) [virtual]

destructor

Definition at line 53 of file Constant.cpp.

{}
Genfun::GaudiMathImplementation::Constant::Constant (  ) [private]

Member Function Documentation

virtual unsigned int Genfun::GaudiMathImplementation::Constant::dimensionality (  ) const [inline, virtual]

dimensionality of the problem

Definition at line 50 of file Constant.h.

{ return m_DIM   ; }
virtual bool Genfun::GaudiMathImplementation::Constant::hasAnalyticDerivative (  ) const [inline, virtual]

Does this function have an analytic derivative?

Definition at line 52 of file Constant.h.

{ return true    ; }
virtual double Genfun::GaudiMathImplementation::Constant::operator() ( const Argument &   ) const [inline, virtual]

Function value.

Definition at line 56 of file Constant.h.

{ return m_value ; }
virtual double Genfun::GaudiMathImplementation::Constant::operator() ( double   ) const [inline, virtual]

Function value.

Definition at line 54 of file Constant.h.

{ return m_value ; }
Constant& Genfun::GaudiMathImplementation::Constant::operator= ( const Constant  ) [private]
Derivative Genfun::GaudiMathImplementation::Constant::partial ( unsigned int  i ) const [virtual]

Derivatives.

Definition at line 59 of file Constant.cpp.

    {
      const AbsFunction& aux = Constant( 0.0 , m_DIM );
      return FunctionNoop( &aux );
    }

Member Data Documentation

Definition at line 70 of file Constant.h.

Definition at line 69 of file Constant.h.


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