METOOLS/Explicit/Color_Calculator.H

0001 #ifndef METOOLS_Explicit_Color_Calculator_H
0002 #define METOOLS_Explicit_Color_Calculator_H
0003
0004 #include "METOOLS/Explicit/Vertex_Key.H"
0005 #include "METOOLS/Explicit/C_Object.H"
0006 #include "ATOOLS/Math/MyComplex.H"
0007 #include "ATOOLS/Org/Getter_Function.H"
0008
0009 namespace METOOLS {
0010
0011   class Vertex;
0012   class Current;
0013
0014   class Color_Calculator {
0015   public:
0016
0017     struct CInfo {
0018       int m_cr, m_ca;
0019       Complex m_s;
0020       inline CInfo(const int cr,const int ca,
0021            const Complex &s=Complex(1.0)):
0022     m_cr(cr), m_ca(ca), m_s(s) {}
0023       inline int &operator()(const int i)
0024       { return i?m_ca:m_cr; }
0025       inline const int &operator()(const int i) const
0026       { return i?m_ca:m_cr; }
0027     };// end of struct CInfo
0028
0029   protected:
0030
0031     Vertex *p_v;
0032     Complex m_cpl;
0033
0034     std::vector<CInfo> m_c;
0035
0036     static size_t s_cimin, s_cimax;
0037
0038   public:
0039
0040     // constructor
0041     inline Color_Calculator(const Vertex_Key &key):
0042       p_v(key.p_v), m_cpl(1.0) {}
0043
0044     // destructor
0045     virtual ~Color_Calculator();
0046
0047     virtual void AddJ(CObject *const j);
0048
0049     // member functions
0050     virtual std::string Label() const = 0;
0051
0052     virtual bool Evaluate(const CObject_Vector &j);
0053
0054     inline static void SetCIMin(const size_t &cimin) { s_cimin=cimin; }
0055     inline static void SetCIMax(const size_t &cimax) { s_cimax=cimax; }
0056
0057     inline static size_t CIMin() { return s_cimin; }
0058     inline static size_t CIMax() { return s_cimax; }
0059
0060     inline Complex Coupling() const { return m_cpl; }
0061
0062     inline int Stat() const { return m_c.size(); }
0063
0064   };// end of class Color_Calculator
0065
0066   std::ostream &operator<<(std::ostream &s,const Color_Calculator::CInfo &i);
0067
0068   typedef std::vector<Color_Calculator*> CC_Vector;
0069
0070   typedef ATOOLS::Getter_Function<Color_Calculator,Vertex_Key,
0071                   std::less<std::string> > CC_Getter;
0072
0073 }// end of namespace METOOLS
0074
0075 #endif