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CLHEP/GenericFunctions/Erf.hh
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// -*- C++ -*-
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// $Id: Erf.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//---------------------Erf--------------------------------------------------//
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// //
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// Class Erf //
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// Joe Boudreau, Petar Maksimovic, November 1999 //
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// //
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//--------------------------------------------------------------------------//
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#ifndef Erf_h
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#define Erf_h 1
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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#include "
CLHEP/GenericFunctions/Parameter.hh
"
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#include "
CLHEP/GenericFunctions/IncompleteGamma.hh
"
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namespace
Genfun {
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class
Erf
:
public
AbsFunction
{
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FUNCTION_OBJECT_DEF
(
Erf
)
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public
:
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// Constructor
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Erf
();
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// Copy constructor
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Erf
(
const
Erf
&right);
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// Destructor
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virtual
~Erf
();
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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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// 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
Erf
& operator=(
const
Erf
&right);
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IncompleteGamma
_incompleteGamma;
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};
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}
// namespace Genfun
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#endif
Parameter.hh
Genfun::AbsFunction
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:48
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun::Erf
Definition:
CLHEP/GenericFunctions/Erf.hh:20
Genfun::Erf::operator()
virtual double operator()(double argument) const
Definition:
Erf.cc:25
a
Definition:
testCategories.cc:125
Genfun::Erf::partial
Derivative partial(unsigned int) const
Definition:
Erf.cc:31
AbsFunction.hh
Genfun::Argument
Definition:
CLHEP/GenericFunctions/Argument.hh:17
Genfun::FunctionNoop
Definition:
CLHEP/GenericFunctions/FunctionNoop.hh:19
Genfun::Erf::Erf
Erf()
Definition:
Erf.cc:12
Genfun::Erf::~Erf
virtual ~Erf()
Definition:
Erf.cc:22
Genfun::IncompleteGamma
Definition:
CLHEP/GenericFunctions/IncompleteGamma.hh:20
IncompleteGamma.hh
Genfun::Erf::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition:
CLHEP/GenericFunctions/Erf.hh:43
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