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GenericFunctions/FunctionPlusParameter.hh
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1 // -*- C++ -*-
2 // $Id: FunctionPlusParameter.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
3 //--------------------------FunctionPlusParameter---------------------------//
4 // //
5 // ConstOverFunction, result of adding a function and a parameter //
6 // Joe Boudreau, Petar Maksimovic, November 1999 //
7 // //
8 //--------------------------------------------------------------------------//
9 
10 #ifndef FunctionPlusParameter_h
11 #define FunctionPlusParameter_h 1
13 
14 namespace Genfun {
15 
20  class FunctionPlusParameter : public AbsFunction {
21 
23 
24  public:
25 
26  // Constructor
27  FunctionPlusParameter(const AbsParameter *parameter, const AbsFunction *function);
28 
29  // Copy constructor
31 
32  // Destructor
33  virtual ~FunctionPlusParameter();
34 
35  // Retreive function value
36  virtual double operator ()(double argument) const;
37  virtual double operator ()(const Argument & a) const;
38 
39  // Dimensionality
40  virtual unsigned int dimensionality() const;
41 
42  // Derivative.
43  Derivative partial (unsigned int) const;
44 
45  // Does this function have an analytic derivative?
46  virtual bool hasAnalyticDerivative() const {return true;}
47 
48  private:
49 
50  // It is illegal to assign a FunctionPlusParameter
51  const FunctionPlusParameter & operator=(const FunctionPlusParameter &right);
52 
53  const AbsFunction *_function;
54  AbsParameter *_parameter;
55 
56  };
57 } // namespace Genfun
58 #endif
#define FUNCTION_OBJECT_DEF(classname)
Derivative partial(unsigned int) const
FunctionPlusParameter(const AbsParameter *parameter, const AbsFunction *function)
virtual double operator()(double argument) const
virtual unsigned int dimensionality() const