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GenericFunctions/X.hh
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// -*- C++ -*-
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// $Id: X.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
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//----------------------X------------ --------------------------------------//
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// //
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// Class X_ //
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// Joe Boudreau, Petar Maksimovic, Nov. 1999 //
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// //
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// X_ is a function that returns the variable itself. //
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//--------------------------------------------------------------------------//
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#ifndef X__h
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#define X__h 1
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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namespace
Genfun {
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class
X_ :
public
AbsFunction {
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FUNCTION_OBJECT_DEF
(
X_
)
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public:
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// Constructor
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X_
();
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// Copy constructor
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X_(const X_ &right);
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// Destructor
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virtual ~X_();
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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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private
:
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// It is illegal to assign a fixed constant
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const
X_
& operator=(
const
X_
&right);
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};
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}
// namespace Genfun
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#endif
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