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GenericFunctions/FloatingConstant.hh
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// -*- C++ -*-
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// $Id: FloatingConstant.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//----------------------FloatingConstant -----------------------------------//
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// //
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// Class FloatingConstant //
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// Joe Boudreau, Petar Maksimovic, Nov. 1999 //
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// //
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// FloatingConstant allows use to treat constants as floating-constant //
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// functions so that they automatically will inherit all the algebraic //
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// operations we have so painstakingly defined for functions. //
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// //
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//--------------------------------------------------------------------------//
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#ifndef FloatingConstant_h
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#define FloatingConstant_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
FloatingConstant :
public
AbsFunction {
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FUNCTION_OBJECT_DEF
(
FloatingConstant
)
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public
:
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// Constructor
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FloatingConstant
(
const
AbsParameter & p);
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// Copy constructor
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FloatingConstant
(
const
FloatingConstant
&right);
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// Destructor
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virtual
~FloatingConstant
();
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// Retrieve the parameter:
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AbsParameter &
value
();
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// Retrieve 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 a fixed constant
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const
FloatingConstant
& operator=(
const
FloatingConstant
&right);
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// The value of the constant:
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AbsParameter
*_value;
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};
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}
// namespace Genfun
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#endif
a
@ a
Definition:
testCategories.cc:125
Parameter.hh
Genfun::FloatingConstant::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition:
GenericFunctions/FloatingConstant.hh:50
Genfun::FloatingConstant::FloatingConstant
FloatingConstant(const AbsParameter &p)
Definition:
FloatingConstant.cc:9
Genfun::FloatingConstant::partial
Derivative partial(unsigned int) const
Definition:
FloatingConstant.cc:32
Genfun::FloatingConstant::value
AbsParameter & value()
Definition:
FloatingConstant.cc:23
AbsFunction.hh
Genfun::FloatingConstant
Definition:
CLHEP/GenericFunctions/FloatingConstant.hh:24
Genfun::FloatingConstant::~FloatingConstant
virtual ~FloatingConstant()
Definition:
FloatingConstant.cc:19
Genfun::AbsParameter
Definition:
CLHEP/GenericFunctions/AbsParameter.hh:22
Genfun::Argument
Definition:
CLHEP/GenericFunctions/Argument.hh:17
Genfun::FunctionNoop
Definition:
CLHEP/GenericFunctions/FunctionNoop.hh:19
Genfun::FloatingConstant::operator()
virtual double operator()(double argument) const
Definition:
FloatingConstant.cc:27
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun
Definition:
CLHEP/GenericFunctions/Abs.hh:14
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