BOSS_7.0.2: /home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Generator/Mcgpj/Mcgpj-00-01-04/src/code/inc/TFormFactor.h Source File

00001 #ifndef RAD_TFormFactor
00002 #define RAD_TFormFactor
00003 
00004 #include <complex>
00005 #include "TRadSpline.h"
00006 
00007 class TFormFactor{
00008 protected:
00009   unsigned int fNp;
00010   TRadSpline *fsvsr;
00011   TRadSpline *fsvsi;
00012   bool fUnitFF;
00013   virtual std::complex<double> ff(const double &)=0;
00014 public:
00015   TFormFactor();
00016   virtual ~TFormFactor();
00017   void SetUnitFF(){fUnitFF = true;}
00018   void SetDefaultFF(){fUnitFF = false;}
00019   bool GetFFMode(){return fUnitFF;}
00020   void SetNpoints(const unsigned int &i){fNp = i;}
00021   void Init();
00022   void Init(const double&);
00023   inline std::complex <double> Eval(const double &s){
00024     if(fUnitFF) return std::complex<double>(1,0);
00025     return std::complex<double>(fsvsr->Eval(s),fsvsi->Eval(s));
00026   }
00027   void Print();
00028 };
00029 
00030 #endif // #ifndef RAD_TFormFactor