MdcTrackUtil.h

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#ifndef MDCTRACKUTIL_H
#define MDCTRACKUTIL_H
#include "MdcGeomSvc/MdcGeomSvc.h"
#include "MagneticField/IMagneticFieldSvc.h"
#include "CLHEP/Matrix/Vector.h"
#include "CLHEP/Matrix/SymMatrix.h"
 
class MdcTrackUtil{
 
public:
  MdcTrackUtil();
  ~MdcTrackUtil(){};
  static MdcTrackUtil* instance();
 
  int nLayerTrackPassed(const HepVector helix);
  int nLayerTrackPassed(const double helix[5]);
  HepVector patRecPar2BesPar(const HepVector& helixPar);
  HepSymMatrix patRecErr2BesErr(const HepSymMatrix& err);
private:
  static MdcTrackUtil* _myself;
 
  MdcGeomSvc*            m_mdcGeomSvc;
  IMagneticFieldSvc*     m_pIMF;
  double Bz;
 
};
#endif