ConversionFinderUtils.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef INDETCONVERSIONFINDERTOOLS_CONVERSIONFINDERUTILS_H
#define INDETCONVERSIONFINDERTOOLS_CONVERSIONFINDERUTILS_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "Particle/TrackParticle.h"
#include "xAODTracking/Vertex.h"
 
class MsgStream;
 
namespace Trk {
  class Track;
}
 
namespace InDet {

 
  class ConversionFinderUtils final : public AthAlgTool {
 
  public:
    ConversionFinderUtils (const std::string& type,const std::string& name, const IInterface* parent);
 
    virtual ~ConversionFinderUtils();
 
    static const InterfaceID& interfaceID();
 
    virtual StatusCode initialize() override;
 
    virtual StatusCode finalize() override;

    static double momFraction(const Trk::TrackParameters* per1,
                       const Trk::TrackParameters* per2) ;
    double distBetweenTracks(const Trk::Track* trk_pos,
                             const Trk::Track* trk_neg) const;
    static std::unique_ptr<Trk::Track> addNewPerigeeToTrack(
        const Trk::Track* track, const Trk::Perigee* mp);
    static xAOD::Vertex* correctVxCandidate(xAOD::Vertex*, Amg::Vector3D) ;
 
  };
 
}
#endif // INDETCONVERSIONFINDERTOOLS_CONVERSIONFINDERUTILS_H