/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/TrackingTools/TrackFitters/interface/KFSplittingFitter.h

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#ifndef CD_KFSplittingFitter_H_
#define CD_KFSplittingFitter_H_

#include "TrackingTools/TrackFitters/interface/KFTrajectoryFitter.h"
#include "TrackingTools/TrackFitters/interface/RecHitSplitter.h"

class KFSplittingFitter GCC11_FINAL : public TrajectoryFitter {

private:

  typedef RecHitSplitter::RecHitContainer        RecHitContainer;

  typedef TrajectoryStateOnSurface TSOS;
  typedef FreeTrajectoryState FTS;
  typedef TrajectoryMeasurement TM;
  
public:

  KFSplittingFitter(const Propagator& aPropagator,
                    const TrajectoryStateUpdator& aUpdator,
                    const MeasurementEstimator& aEstimator) :
    fitter(aPropagator, aUpdator, aEstimator) {}


  KFSplittingFitter(const Propagator* aPropagator,
                    const TrajectoryStateUpdator* aUpdator,
                    const MeasurementEstimator* aEstimator) : 
    fitter(aPropagator, aUpdator, aEstimator) {}

  virtual KFSplittingFitter* clone() const {
    return new KFSplittingFitter(fitter.propagator(),fitter.updator(),fitter.estimator());
  }
  
  Trajectory fitOne(const Trajectory& aTraj,
                    fitType type) const;
  Trajectory fitOne(const TrajectorySeed& aSeed,
                    const RecHitContainer& hits,
                    fitType type) const;
 Trajectory fitOne(const TrajectorySeed& aSeed,
                    const RecHitContainer& hits, 
                    const TSOS& firstPredTsos,
                    fitType type) const;

 private :

 void sorter(const RecHitContainer& hits, PropagationDirection dir, RecHitContainer & result) const;

 KFTrajectoryFitter fitter;

};

#endif //CD_KFSplittingFitter_H_