TFormFactor.h

Go to the documentation of this file.

#ifndef RAD_TFormFactor
#define RAD_TFormFactor
 
#include <complex>
#include "TRadSpline.h"
 
class TFormFactor{
protected:
  unsigned int fNp;
  TRadSpline *fsvsr;
  TRadSpline *fsvsi;
  bool fUnitFF;
  virtual std::complex<double> ff(const double &)=0;
public:
  TFormFactor();
  virtual ~TFormFactor();
  void SetUnitFF(){fUnitFF = true;}
  void SetDefaultFF(){fUnitFF = false;}
  bool GetFFMode(){return fUnitFF;}
  void SetNpoints(const unsigned int &i){fNp = i;}
  void Init();
  void Init(const double&);
  inline std::complex <double> Eval(const double &s){
    if(fUnitFF) return std::complex<double>(1,0);
    return std::complex<double>(fsvsr->Eval(s),fsvsi->Eval(s));
  }
  void Print();
};
 
#endif // #ifndef RAD_TFormFactor