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GenericFunctions/Gaussian.hh
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// -*- C++ -*-
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// $Id: Gaussian.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//---------------------Gaussian---------------------------------------------//
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// //
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// Class Gaussian //
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// Joe Boudreau, Petar Maksimovic, November 1999 //
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// //
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//--------------------------------------------------------------------------//
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#ifndef Gaussian_h
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#define Gaussian_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
Gaussian :
public
AbsFunction {
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FUNCTION_OBJECT_DEF
(
Gaussian
)
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public:
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// Constructor
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Gaussian
();
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// Copy constructor
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Gaussian(const Gaussian &right);
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// Destructor
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virtual ~Gaussian();
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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 mean of the Gaussian
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Parameter
&
mean
();
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const
Parameter
&
mean
()
const
;
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// Get the sigma of the Gaussian
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Parameter
&
sigma
();
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const
Parameter
&
sigma
()
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
Gaussian
& operator=(
const
Gaussian
&right);
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// Here is the decay constant
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Parameter
_mean;
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// Here is the sigma
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Parameter
_sigma;
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};
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}
// namespace Genfun
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#endif
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