Reconstruction/MdcPatRec/TrkBase/include/TrkBase/TrkFit.h

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//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: TrkFit.h,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
//
// Description:
//     Implements a few basic TrkAbsFit functions (most are left for TrkRep and
//     subclasses).
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author(s): Steve Schaffner
//            modified by Justin Albert
//------------------------------------------------------------------------
 
#ifndef TRKFIT_HH
#define TRKFIT_HH
 
#include "TrkBase/TrkAbsFit.h"
class ChisqConsistency;
 
// Class interface //
class TrkFit : public TrkAbsFit {
 
public:
  virtual ChisqConsistency chisqConsistency() const = 0;
  virtual bool             validFlightLength( double fltL, double tolerance = 0.0 ) const;
  void                     printType( std::ostream& ostr ) const;
 
  virtual int             nActive() const                  = 0;
  virtual int             nSvt() const                     = 0;
  virtual int             nMdc() const                     = 0;
  virtual PdtPid::PidType particleType() const             = 0;
  virtual TrkExchangePar  helix( double fltL ) const       = 0;
  virtual double          arrivalTime( double fltL ) const = 0;
  virtual double          startFoundRange() const          = 0;
  virtual double          endFoundRange() const            = 0;
 
protected:
  TrkFit();
  virtual ~TrkFit();
 
private:
  // Preempt
  TrkFit& operator=( const TrkFit& );
  TrkFit( const TrkFit& );
};
#endif