ElectronxAODHelpers.h

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// Dear emacs, this is -*- c++ -*-
 
/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id: ElectronxAODHelpers.h 768704 2016-08-18 23:43:08Z christos $
#ifndef XAOD_ELECTRONXAODHELPERS_H
#define XAOD_ELECTRONXAODHELPERS_H
#include "xAODEgamma/ElectronFwd.h"
#include "xAODTracking/TrackParticleFwd.h"
#include <cstddef>
#include <set>
#include <vector>
 
namespace xAOD {
 
  namespace EgammaHelpers{

    const xAOD::TrackParticle* getOriginalTrackParticle(const xAOD::Electron* el);

    const xAOD::TrackParticle* getOriginalTrackParticleFromGSF(const xAOD::TrackParticle* trkPar);

    float getLastMeasurementQoverP(const xAOD::TrackParticle *tp);

    //isolation interface,
    std::set<const xAOD::TrackParticle*> getTrackParticles(const xAOD::Electron* el,
                                 bool useBremAssoc = true, bool allParticles = true);
 

    std::vector<const xAOD::TrackParticle*> getTrackParticlesVec(const xAOD::Electron* el,
                                       bool useBremAssoc = true, bool allParticles = true);
 
    
    std::size_t numberOfSiHits(const xAOD::TrackParticle *tp);
    
  } //namaspace EgammaHelpers
 
} // namespace xAOD
 
#endif // XAOD_ELECTRONXAODHELPERS_H