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CLHEP/GenericFunctions/Cos.hh
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1// -*- C++ -*-
2// $Id: Cos.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
3//---------------------Cos--------------------------------------------------//
4// //
5// Class Cos //
6// Joe Boudreau, Petar Maksimovic, November 1999 //
7// //
8//--------------------------------------------------------------------------//
9#ifndef Cos_h
10#define Cos_h 1
12
13namespace Genfun {
14
19 class Cos : public AbsFunction {
20
22
23 public:
24
25 // Constructor
26 Cos();
27
28 // Destructor
29 virtual ~Cos();
30
31 // Copy constructor
32 Cos(const Cos &right);
33
34 // Retreive 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 Cosine
47 const Cos & operator=(const Cos &right);
48
49 };
50} // namespace Genfun
51#endif
#define FUNCTION_OBJECT_DEF(classname)
Derivative partial(unsigned int) const
Definition Cos.cc:25
virtual bool hasAnalyticDerivative() const
virtual double operator()(double argument) const
Definition Cos.cc:20
virtual ~Cos()
Definition Cos.cc:13