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CLHEP/GenericFunctions/Power.hh
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// -*- C++ -*-
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// $Id: Power.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//----------------------Power-----------------------------------------------//
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// //
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// Class Power //
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// Joe Boudreau, Petar Maksimovic, Nov. 1999 //
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// //
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// Power(x) returns x^n //
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//--------------------------------------------------------------------------//
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#ifndef Power_h
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#define Power_h 1
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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namespace
Genfun {
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class
Power
:
public
AbsFunction
{
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FUNCTION_OBJECT_DEF
(
Power
)
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public
:
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// Constructor
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Power
(
double
n
);
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Power
(
int
n);
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Power
(
unsigned
int
n);
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// Copy constructor
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Power
(
const
Power
&right);
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// Destructor
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virtual
~Power
();
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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
Power
& operator=(
const
Power
&right);
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double
_doublePower;
// power (as a double)
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int
_intPower;
// power (as an integer)
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bool
_asInteger;
// flag: object constructed with integer argument
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};
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}
// namespace Genfun
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#endif
Genfun::AbsFunction
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:48
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun::Power::operator()
virtual double operator()(double argument) const
Definition:
Power.cc:34
a
Definition:
testCategories.cc:125
Genfun::Power::~Power
virtual ~Power()
Definition:
Power.cc:31
AbsFunction.hh
Genfun::Argument
Definition:
CLHEP/GenericFunctions/Argument.hh:17
Genfun::Power::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition:
CLHEP/GenericFunctions/Power.hh:45
Genfun::Power
Definition:
CLHEP/GenericFunctions/Power.hh:19
Genfun::FunctionNoop
Definition:
CLHEP/GenericFunctions/FunctionNoop.hh:19
CLHEP::detail::n
n
Definition:
Ranlux64Engine.cc:85
Genfun::Power::Power
Power(double n)
Definition:
Power.cc:19
Genfun::Power::partial
Derivative partial(unsigned int) const
Definition:
Power.cc:62
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