ITrackParameterView.h

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//=================================================
//
// ITrackParameter.h
//
// Author: Peter Sherwood
//
/* PABC for trackparameter viewers, a common interface
 *for track parameter information.
 */
//
//===================================================
#ifndef ATLFANA_ITRACKPARAMETERVIEW_H
#define ATLFANA_ITRACKPARAMETERVIEW_H
#include <cmath>
#include <vector>
//
#include "GaudiKernel/MsgStream.h"
//
#include "AtlfastEvent/TrackParameters.h"
#include "CLHEP/Matrix/SymMatrix.h"

namespace AtlfAna{
  using Atlfast::TrackParameters;

  class ITrackParameterView{
  public:
    virtual TrackParameters trackParameters() const = 0; 
    virtual HepSymMatrix covMatrix()          const = 0;
    virtual bool operator!()                  const = 0;
  };
}
#endif

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