Genfun::ConstOverFunction Class Reference

#include <ConstOverFunction.hh>

Inheritance diagram for Genfun::ConstOverFunction:

Public Member Functions
	ConstOverFunction (double constant, const AbsFunction *arg)
	ConstOverFunction (const ConstOverFunction &right)
virtual	~ConstOverFunction ()
virtual double	operator() (double argument) const override
virtual double	operator() (const Argument &a) const override
virtual unsigned int	dimensionality () const override
Derivative	partial (unsigned int) const override
virtual bool	hasAnalyticDerivative () const override
Public Member Functions inherited from Genfun::AbsFunction
	AbsFunction ()
	AbsFunction (const AbsFunction &right)
virtual	~AbsFunction ()
virtual unsigned int	dimensionality () const
virtual double	operator() (double argument) const =0
virtual double	operator() (const Argument &argument) const =0
virtual AbsFunction *	clone () const =0
virtual FunctionComposition	operator() (const AbsFunction &f) const
virtual ParameterComposition	operator() (const AbsParameter &p) const
Derivative	derivative (const Variable &v) const
Derivative	prime () const
virtual bool	hasAnalyticDerivative () const
virtual Derivative	partial (unsigned int) const

Detailed Description

Author

Definition at line 20 of file ConstOverFunction.hh.

Constructor & Destructor Documentation

ConstOverFunction() [1/2]

Genfun::ConstOverFunction::ConstOverFunction	(	double	constant,
		const AbsFunction *	arg
	)

Definition at line 8 of file ConstOverFunction.cc.

                                                                           :
  _constant(constant),
  _arg(arg->clone())
{
}

ConstOverFunction() [2/2]

Genfun::ConstOverFunction::ConstOverFunction

(

const ConstOverFunction &

right

)

Definition at line 14 of file ConstOverFunction.cc.

                                                                    :
AbsFunction(right),
_constant(right._constant),
_arg(right._arg->clone())
{}

~ConstOverFunction()

Genfun::ConstOverFunction::~ConstOverFunction ( )

virtual

Definition at line 24 of file ConstOverFunction.cc.

{
  delete _arg;
}

Member Function Documentation

dimensionality()

unsigned int Genfun::ConstOverFunction::dimensionality ( ) const

overridevirtual

Reimplemented from Genfun::AbsFunction.

Definition at line 20 of file ConstOverFunction.cc.

                                                     {
  return _arg->dimensionality();
}

hasAnalyticDerivative()

virtual bool Genfun::ConstOverFunction::hasAnalyticDerivative ( ) const

inlineoverridevirtual

Reimplemented from Genfun::AbsFunction.

Definition at line 46 of file ConstOverFunction.hh.

{return true;}

operator()() [1/2]

double Genfun::ConstOverFunction::operator() ( const Argument &  a ) const

overridevirtual

Implements Genfun::AbsFunction.

Definition at line 37 of file ConstOverFunction.cc.

{
  return _constant / (*_arg)(x);
}

operator()() [2/2]

double Genfun::ConstOverFunction::operator() ( double  argument ) const

overridevirtual

Implements Genfun::AbsFunction.

Definition at line 31 of file ConstOverFunction.cc.

{
  return _constant / (*_arg)(x);
}

partial()

Derivative Genfun::ConstOverFunction::partial ( unsigned int  index ) const

overridevirtual

Reimplemented from Genfun::AbsFunction.

Definition at line 43 of file ConstOverFunction.cc.

                                                              {
  // d/dx (k/f) = -(k/f^2)(df/dx)
  const AbsFunction & fPrime = -_constant/(*_arg)/(*_arg)*(_arg->partial(index));
  return Derivative(& fPrime);
}

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

• ConstOverFunction.hh
• ConstOverFunction.cc