BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtStdHep.hh

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtGen/EvtStdHep.hh
//
// Description: Class produce the StdHep representation of the decay.
//
// Modification history:
//
//    RYD     March. 11, 1998         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTSTDHEP_HH
#define EVTSTDHEP_HH
 
//#include <iostream.h>
#include "EvtGenBase/EvtVector4R.hh"
#include <iosfwd>
 
const int EVTSTDHEPLENGTH =1000;
 
class EvtStdHep {
 
public:
 
  EvtStdHep(){}
  ~EvtStdHep(){}
 
  void init();
 
  int getFirstMother(int i) { return _prntfirst[i]; }
  int getLastMother(int i) { return _prntlast[i]; }
  int getFirstDaughter(int i) { return _daugfirst[i]; }
  int getLastDaughter(int i) { return _dauglast[i]; }
  
  int getStdHepID(int i) { return _id[i]; }
  int getIStat(int i) { return _istat[i]; }
 
  EvtVector4R getP4(int i) { return _p4[i]; }
  EvtVector4R getX4(int i) { return _x[i]; }
 
  void translate(EvtVector4R d);
 
  int getNPart();
  void createParticle(EvtVector4R p4,EvtVector4R x,int prntfirst,
             int prntlast, int id);
 
  friend std::ostream& operator<<(std::ostream& s, const EvtStdHep& stdhep);  
 
private:
 
  int _npart;
  EvtVector4R _p4[EVTSTDHEPLENGTH];
  EvtVector4R _x[EVTSTDHEPLENGTH];
  int _prntfirst[EVTSTDHEPLENGTH];
  int _prntlast[EVTSTDHEPLENGTH];
  int _daugfirst[EVTSTDHEPLENGTH];
  int _dauglast[EVTSTDHEPLENGTH];
  int _id[EVTSTDHEPLENGTH];
  int _istat[EVTSTDHEPLENGTH];
  
}; 
 
#endif