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CLHEP/GenericFunctions/FunctionProduct.hh
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1 // -*- C++ -*-
2 // $Id: FunctionProduct.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
3 //--------------------------FunctionProduct---------------------------------//
4 // //
5 // FunctionProduct, result of multiplication of two functions. //
6 // Joe Boudreau, Petar Maksimovic, November 1999 //
7 // //
8 //--------------------------------------------------------------------------//
9 
10 #ifndef FunctionProduct_h
11 #define FunctionProduct_h 1
13 namespace Genfun {
14 
19  class FunctionProduct : public AbsFunction {
20 
22 
23  public:
24 
25  // Constructor
26  FunctionProduct(const AbsFunction *arg1, const AbsFunction *arg2);
27 
28  // Copy constructor
29  FunctionProduct(const FunctionProduct &right);
30 
31  // Destructor
32  virtual ~FunctionProduct();
33 
34  // Retreive function value
35  virtual double operator ()(double argument) const;
36  virtual double operator ()(const Argument & a) const;
37 
38  // Dimensionality
39  virtual unsigned int dimensionality() const;
40 
41  // Derivative.
42  Derivative partial (unsigned int) const;
43 
44  // Does this function have an analytic derivative?
45  virtual bool hasAnalyticDerivative() const {return true;}
46 
47  private:
48 
49  // It is illegal to assign a FunctionProduct
50  const FunctionProduct & operator=(const FunctionProduct &right);
51 
52  const AbsFunction *_arg1;
53  const AbsFunction *_arg2;
54  };
55 } // namespace Genfun
56 
57 #endif
Genfun::FunctionProduct::~FunctionProduct
virtual ~FunctionProduct()
Definition: FunctionProduct.cc:28
a
@ a
Definition: testCategories.cc:125
Genfun::AbsFunction
Definition: CLHEP/GenericFunctions/AbsFunction.hh:48
Genfun::FunctionProduct::dimensionality
virtual unsigned int dimensionality() const
Definition: FunctionProduct.cc:35
Genfun::FunctionProduct::operator()
virtual double operator()(double argument) const
Definition: FunctionProduct.cc:39
Genfun::FunctionProduct::FunctionProduct
FunctionProduct(const AbsFunction *arg1, const AbsFunction *arg2)
Definition: FunctionProduct.cc:9
AbsFunction.hh
Genfun::FunctionProduct
Definition: CLHEP/GenericFunctions/FunctionProduct.hh:19
Genfun::Argument
Definition: CLHEP/GenericFunctions/Argument.hh:17
Genfun::FunctionNoop
Definition: CLHEP/GenericFunctions/FunctionNoop.hh:19
Genfun::FunctionProduct::partial
Derivative partial(unsigned int) const
Definition: FunctionProduct.cc:49
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition: CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun::FunctionProduct::hasAnalyticDerivative
virtual bool hasAnalyticDerivative() const
Definition: CLHEP/GenericFunctions/FunctionProduct.hh:45
Genfun
Definition: CLHEP/GenericFunctions/Abs.hh:14