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CLHEP/GenericFunctions/Exponential.hh
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// -*- C++ -*-
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// $Id: Exponential.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//---------------------Exponential------------------------------------------//
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// //
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// Class Exponential //
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// Joe Boudreau, Petar Maksimovic, November 1999 //
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// //
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//--------------------------------------------------------------------------//
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#ifndef Exponential_h
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#define Exponential_h 1
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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#include "
CLHEP/GenericFunctions/Parameter.hh
"
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namespace
Genfun
{
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class
Exponential
:
public
AbsFunction
{
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FUNCTION_OBJECT_DEF
(
Exponential
)
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public
:
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// Constructor
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Exponential
();
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// Copy constructor
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Exponential
(
const
Exponential
&right);
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// Destructor
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virtual
~Exponential
();
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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
{
return
operator()
(
a
[0]);}
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// Get the decay constant
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Parameter
&
decayConstant
();
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const
Parameter
&
decayConstant
()
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 an adjustable constant
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const
Exponential
& operator=(
const
Exponential
&right);
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// Here is the decay constant
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Parameter
_decayConstant;
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};
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}
// namespace Genfun
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#endif
AbsFunction.hh
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:144
Parameter.hh
Genfun::AbsFunction
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:48
Genfun::Argument
Definition:
CLHEP/GenericFunctions/Argument.hh:17
Genfun::Exponential
Definition:
CLHEP/GenericFunctions/Exponential.hh:20
Genfun::Exponential::Exponential
Exponential()
Definition:
Exponential.cc:10
Genfun::Exponential::operator()
virtual double operator()(double argument) const
Definition:
Exponential.cc:23
Genfun::Exponential::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition:
CLHEP/GenericFunctions/Exponential.hh:47
Genfun::Exponential::~Exponential
virtual ~Exponential()
Definition:
Exponential.cc:20
Genfun::Exponential::decayConstant
Parameter & decayConstant()
Definition:
Exponential.cc:28
Genfun::Exponential::partial
Derivative partial(unsigned int) const
Definition:
Exponential.cc:37
Genfun::FunctionNoop
Definition:
CLHEP/GenericFunctions/FunctionNoop.hh:19
Genfun::Parameter
Definition:
CLHEP/GenericFunctions/Parameter.hh:35
Genfun
Definition:
CLHEP/GenericFunctions/Abs.hh:14
a
@ a
Definition:
testCategories.cc:125
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