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CLHEP/GenericFunctions/Landau.hh
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1 // -*- C++ -*-
2 // $Id: Landau.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
3 //---------------------Landau-----------------------------------------------//
4 // //
5 // Class Landau //
6 // Joe Boudreau, November 1999 //
7 // //
8 //--------------------------------------------------------------------------//
9 #ifndef Landau_h
10 #define Landau_h 1
13 
14 namespace Genfun {
15 
20  class Landau : public AbsFunction {
21 
23 
24  public:
25 
26  // Constructor
27  Landau();
28 
29  // Copy constructor
30  Landau(const Landau &right);
31 
32  // Destructor
33  virtual ~Landau();
34 
35  // Retreive function value
36  virtual double operator ()(double argument) const;
37  virtual double operator ()(const Argument & a) const {return operator() (a[0]);}
38 
39  // Get the mean of the Landau
40  Parameter & peak();
41  const Parameter & peak() const;
42 
43  // Get the sigma of the Landau
44  Parameter & width();
45  const Parameter & width() const;
46 
47 
48  private:
49 
50  // It is illegal to assign an adjustable constant
51  const Landau & operator=(const Landau &right);
52 
53  // Here is the decay constant
54  Parameter _peak;
55 
56  // Here is the sigma
57  Parameter _width;
58 
59  // The old cernlib routine does the work:
60  double _denlan(double x) const;
61 
62  };
63 } // namespace Genfun
64 
65 #endif
Genfun::Landau
Definition: CLHEP/GenericFunctions/Landau.hh:20
a
@ a
Definition: testCategories.cc:125
Parameter.hh
Genfun::AbsFunction
Definition: CLHEP/GenericFunctions/AbsFunction.hh:48
Genfun::Landau::Landau
Landau()
Definition: Landau.cc:15
AbsFunction.hh
Genfun::Landau::width
Parameter & width()
Definition: Landau.cc:41
Genfun::Landau::~Landau
virtual ~Landau()
Definition: Landau.cc:20
Genfun::Argument
Definition: CLHEP/GenericFunctions/Argument.hh:17
Genfun::Landau::operator()
virtual double operator()(double argument) const
Definition: Landau.cc:30
Genfun::Parameter
Definition: CLHEP/GenericFunctions/Parameter.hh:35
x
any side effects of that construction would occur twice The semantics of throw x
Definition: whyZMthrowRethrows.txt:37
Genfun::Landau::peak
Parameter & peak()
Definition: Landau.cc:37
FUNCTION_OBJECT_DEF
#define FUNCTION_OBJECT_DEF(classname)
Definition: CLHEP/GenericFunctions/AbsFunction.hh:144
Genfun
Definition: CLHEP/GenericFunctions/Abs.hh:14