CDCRobustSZFitter.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2016 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Nils Braun, Oliver Frost                                 *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
namespace Belle2 {
  namespace TrackFindingCDC {
    class CDCSZObservations;
    class CDCTrajectorySZ;
 
    class CDCRobustSZFitter {
 
    public:
      CDCTrajectorySZ fitUsingSimplifiedTheilSen(const CDCSZObservations& szObservations) const;
 
      CDCTrajectorySZ fitTheilSen(const CDCSZObservations& szObservations) const;
 
      CDCTrajectorySZ fitWeightedTheilSen(const CDCSZObservations& szObservations) const;
 
 
    private:
      double getMedianZ0(const CDCSZObservations& szObservations, double tanLambda) const;
    };
  }
}