ThePEG  1.8.0
ReweightConstant.h
1 // -*- C++ -*-
2 //
3 // ReweightConstant.h is a part of ThePEG - Toolkit for HEP Event Generation
4 // Copyright (C) 1999-2011 Leif Lonnblad
5 //
6 // ThePEG is licenced under version 2 of the GPL, see COPYING for details.
7 // Please respect the MCnet academic guidelines, see GUIDELINES for details.
8 //
9 #ifndef THEPEG_ReweightConstant_H
10 #define THEPEG_ReweightConstant_H
11 //
12 // This is the declaration of the ReweightConstant class.
13 //
14 
15 #include "ThePEG/MatrixElement/ReweightBase.h"
16 
17 namespace ThePEG {
18 
27 
28 public:
29 
35  ReweightConstant() : C(1.0) {}
37 
38 public:
39 
44  virtual double weight() const;
45 
46 public:
47 
54  void persistentOutput(PersistentOStream & os) const;
55 
61  void persistentInput(PersistentIStream & is, int version);
63 
70  static void Init();
71 
72 protected:
73 
80  virtual IBPtr clone() const;
81 
86  virtual IBPtr fullclone() const;
88 
89 private:
90 
94  double C;
95 
96 private:
97 
103 
109 
110 };
111 
112 }
113 
114 #include "ThePEG/Utilities/ClassTraits.h"
115 
116 namespace ThePEG {
117 
122 template <>
123 struct BaseClassTrait<ReweightConstant,1> {
125  typedef ReweightBase NthBase;
126 };
127 
130 template <>
131 struct ClassTraits<ReweightConstant>
132  : public ClassTraitsBase<ReweightConstant> {
134  static string className() { return "ThePEG::ReweightConstant"; }
138  static string library() { return "ReweightConstant.so"; }
139 };
140 
143 }
144 
145 #endif /* THEPEG_ReweightConstant_H */