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CLHEP/GenericFunctions/Sqrt.hh
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// -*- C++ -*-
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// $Id: Sqrt.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//----------------------Sqrt--------- --------------------------------------//
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// //
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// Class Sqrt //
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// Joe Boudreau, Petar Maksimovic, Nov. 1999 //
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// //
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// Sqrt is a function that returns the square root of the argument //
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//--------------------------------------------------------------------------//
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#ifndef Sqrt_h
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#define Sqrt_h 1
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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namespace
Genfun
{
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class
Sqrt
:
public
AbsFunction
{
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FUNCTION_OBJECT_DEF
(
Sqrt
)
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public
:
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// Constructor
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Sqrt
();
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// Copy constructor
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Sqrt
(
const
Sqrt
&right);
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// Destructor
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virtual
~Sqrt
();
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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
Sqrt
& operator=(
const
Sqrt
&right);
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};
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}
// namespace Genfun
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#endif
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AbsFunction.hh
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition
CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun::AbsFunction
Definition
CLHEP/GenericFunctions/AbsFunction.hh:48
Genfun::Argument
Definition
CLHEP/GenericFunctions/Argument.hh:17
Genfun::FunctionNoop
Definition
CLHEP/GenericFunctions/FunctionNoop.hh:19
Genfun::Sqrt
Definition
CLHEP/GenericFunctions/Sqrt.hh:19
Genfun::Sqrt::~Sqrt
virtual ~Sqrt()
Definition
Sqrt.cc:16
Genfun::Sqrt::operator()
virtual double operator()(double argument) const
Definition
Sqrt.cc:19
Genfun::Sqrt::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition
CLHEP/GenericFunctions/Sqrt.hh:42
Genfun::Sqrt::Sqrt
Sqrt()
Definition
Sqrt.cc:9
Genfun::Sqrt::partial
Derivative partial(unsigned int) const
Definition
Sqrt.cc:24
Genfun
Definition
CLHEP/GenericFunctions/Abs.hh:14
a
@ a
Definition
testCategories.cc:125
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