METOOLS/Explicit/Form_Factor.H

0001 #ifndef METOOLS_Explicit_Form_Factor_H
0002 #define METOOLS_Explicit_Form_Factor_H
0003
0004 #include "METOOLS/Explicit/Vertex_Key.H"
0005 #include "ATOOLS/Org/Getter_Function.H"
0006
0007 namespace METOOLS {
0008
0009   class Vertex;
0010
0011   class Form_Factor {
0012   protected:
0013
0014     Vertex *p_v;
0015
0016     std::string m_id;
0017
0018   public:
0019
0020     Form_Factor(const std::string &id,const Vertex_Key &key);
0021
0022     virtual ~Form_Factor();
0023
0024     virtual double FF(double) const = 0;
0025
0026     inline const std::string &ID() const { return m_id; }
0027
0028   };// end of class FormFactor
0029
0030   typedef ATOOLS::Getter_Function<Form_Factor,Vertex_Key,
0031                   std::less<std::string> > FF_Getter;
0032
0033   std::ostream &operator<<(std::ostream &str,const Form_Factor &c);
0034
0035   typedef std::vector<Form_Factor*> FF_Vector;
0036
0037 }// end of namespace METOOLS
0038
0039 #endif