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GenericFunctions/FunctionDifference.hh
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// -*- C++ -*-
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// $Id: FunctionDifference.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//--------------------------FunctionDifference------------------------------//
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// //
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// FunctionDifference, result of subtraction of two functions //
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// Joe Boudreau, Petar Maksimovic, November 1999 //
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// //
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//--------------------------------------------------------------------------//
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#ifndef FunctionDifference_h
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#define FunctionDifference_h 1
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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namespace
Genfun {
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class
FunctionDifference :
public
AbsFunction {
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FUNCTION_OBJECT_DEF
(
FunctionDifference
)
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public:
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// Constructor
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FunctionDifference
(const
AbsFunction
* arg1, const
AbsFunction
*arg2);
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// Copy constructor
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FunctionDifference
(const
FunctionDifference
&right);
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// Destructor
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virtual ~
FunctionDifference
();
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// Retreive function value
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virtual
double
operator ()(
double
argument) const;
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virtual
double
operator ()(const Argument &
a
) const;
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// Dimensionality
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virtual
unsigned
int
dimensionality
() const;
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// Derivative.
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Derivative
partial
(
unsigned
int
) const;
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// Does this function have an analytic derivative?
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virtual
bool
hasAnalyticDerivative
()
const
{
return
true
;}
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private
:
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// It is illegal to assign a FunctionDifference
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const
FunctionDifference
& operator=(
const
FunctionDifference
&right);
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const
AbsFunction
*_arg1;
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const
AbsFunction
*_arg2;
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};
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}
// namespace Genfun
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#endif
Genfun::AbsFunction::AbsFunction
AbsFunction()
Definition:
AbsFunction.cc:23
Genfun::FunctionDifference::partial
Derivative partial(unsigned int) const
Definition:
FunctionDifference.cc:53
Genfun::AbsFunction
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:48
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun::FunctionDifference::FunctionDifference
FunctionDifference(const AbsFunction *arg1, const AbsFunction *arg2)
Definition:
FunctionDifference.cc:9
Genfun::FunctionDifference::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition:
CLHEP/GenericFunctions/FunctionDifference.hh:46
Genfun::FunctionDifference
Definition:
CLHEP/GenericFunctions/FunctionDifference.hh:20
a
Definition:
testCategories.cc:125
AbsFunction.hh
Genfun::FunctionDifference::dimensionality
virtual unsigned int dimensionality() const
Definition:
FunctionDifference.cc:30
Genfun::Derivative
FunctionNoop Derivative
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:40
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