KalmanGhostTrackUpdater.h

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#ifndef RecoBTag_KalmanGhostTrackUpdater_h
#define RecoBTag_KalmanGhostTrackUpdater_h

#include "RecoVertex/GhostTrackFitter/interface/GhostTrackFitter.h"

namespace reco {

  class GhostTrackPrediction;
  class GhostTrackState;

  class KalmanGhostTrackUpdater : public GhostTrackFitter::PredictionUpdater {
  public:
    ~KalmanGhostTrackUpdater() override {}

    KalmanGhostTrackUpdater *clone() const override { return new KalmanGhostTrackUpdater(*this); }

    GhostTrackPrediction update(const GhostTrackPrediction &pred,
                                const GhostTrackState &state,
                                double &ndof,
                                double &chi2) const override;

    void contribution(const GhostTrackPrediction &pred,
                      const GhostTrackState &state,
                      double &ndof,
                      double &chi2,
                      bool withPredError = false) const override;
  };

}  // namespace reco

#endif  // RecoBTag_KalmanGhostTrackUpdater_h