SequentialGhostTrackFitter.h

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#ifndef RecoBTag_SequentialGhostTrackFitter_h
#define RecoBTag_SequentialGhostTrackFitter_h

#include <vector>

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

namespace reco {

  class GhostTrackPrediction;
  class GhostTrackState;

  class SequentialGhostTrackFitter : public GhostTrackFitter::FitterImpl {
  public:
    SequentialGhostTrackFitter();
    ~SequentialGhostTrackFitter() override {}

    GhostTrackPrediction fit(const GhostTrackFitter::PredictionUpdater &updater,
                             const GhostTrackPrediction &prior,
                             std::vector<GhostTrackState> &states,
                             double &ndof,
                             double &chi2) override;

  protected:
    virtual bool stable(const GhostTrackPrediction &before, const GhostTrackPrediction &after) const;
    virtual void reset() {}
    virtual void postFit(const GhostTrackFitter::PredictionUpdater &updater,
                         const GhostTrackPrediction &pred,
                         std::vector<GhostTrackState> &states) {}

  private:
    FitterImpl *clone() const override { return new SequentialGhostTrackFitter(*this); }

    unsigned int maxIteration;
    double minDeltaR;
    double minDistance;
    double weightThreshold;
  };

}  // namespace reco

#endif  // RecoBTag_SequentialGhostTrackFitter_h