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CLHEP/GenericFunctions/Square.hh
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1// -*- C++ -*-
2// $Id: Square.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
3//----------------------Square------- --------------------------------------//
4// //
5// Class Square //
6// Joe Boudreau, Petar Maksimovic, Nov. 1999 //
7// //
8// Square(x) returns x*x. //
9//--------------------------------------------------------------------------//
10#ifndef Square_h
11#define Square_h 1
13namespace Genfun {
14
19 class Square : public AbsFunction {
20
22
23 public:
24
25 // Constructor
26 Square();
27
28 // Copy constructor
29 Square(const Square &right);
30
31 // Destructor
32 virtual ~Square();
33
34 // Retrieve function value
35 virtual double operator ()(double argument) const;
36 virtual double operator ()(const Argument & a) const {return operator() (a[0]);}
37
38 // Derivative.
39 Derivative partial (unsigned int) const;
40
41 // Does this function have an analytic derivative?
42 virtual bool hasAnalyticDerivative() const {return true;}
43
44 private:
45
46 // It is illegal to assign a fixed constant
47 const Square & operator=(const Square &right);
48
49 };
50} // namespace Genfun
51#endif
#define FUNCTION_OBJECT_DEF(classname)
Derivative partial(unsigned int) const
Definition Square.cc:26
virtual bool hasAnalyticDerivative() const
virtual double operator()(double argument) const
Definition Square.cc:20
virtual ~Square()
Definition Square.cc:17