PositiveSideGhostTrackFitter.h

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#ifndef RecoBTag_PositiveSideGhostTrackFitter_h
#define RecoBTag_PositiveSideGhostTrackFitter_h

#include <memory>
#include <vector>

#include "DataFormats/GeometryVector/interface/GlobalPoint.h"

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

namespace reco {

  class GhostTrackPredictioon;
  class GhostTrackState;

  class PositiveSideGhostTrackFitter : public GhostTrackFitter::FitterImpl {
  public:
    PositiveSideGhostTrackFitter(const GlobalPoint &origin, const GhostTrackFitter::FitterImpl &actualFitter)
        : origin_(origin), actualFitter_(actualFitter.clone()) {}
    ~PositiveSideGhostTrackFitter() override {}

    PositiveSideGhostTrackFitter(const PositiveSideGhostTrackFitter &orig)
        : origin_(orig.origin_), actualFitter_(orig.actualFitter_->clone()) {}

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

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

    GlobalPoint origin_;
    std::unique_ptr<GhostTrackFitter::FitterImpl> actualFitter_;
  };

}  // namespace reco

#endif  // RecoBTag_PositiveSideGhostTrackFitter_h