IVertexFitter.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/

// IVertexFitter.h, (c) ATLAS Detector software 2005
 
#ifndef TRKVERTEXFITTERINTERFACE_IVERTEXFITTER_H
#define TRKVERTEXFITTERINTERFACE_IVERTEXFITTER_H
 
#include "GaudiKernel/IAlgTool.h"
#include "TrkNeutralParameters/NeutralParameters.h"
#include "TrkParameters/TrackParameters.h"
#include <vector>
 
// xAOD includes
#include "memory"
#include "xAODTracking/NeutralParticle.h"
#include "xAODTracking/TrackParticleFwd.h"
#include "xAODTracking/Vertex.h"
 
class EventContext;

 
namespace Trk {
class IVertexFitter : virtual public IAlgTool
{
 
public:
  DeclareInterfaceID(IVertexFitter, 1, 0);

  virtual ~IVertexFitter() = default;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const xAOD::TrackParticle*>& vectorTrk,
    const Amg::Vector3D& startingPoint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const xAOD::TrackParticle*>& vectorTrk,
    const std::vector<const xAOD::NeutralParticle*>& vectorNeu,
    const Amg::Vector3D& startingPoint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const xAOD::TrackParticle*>& vectorTrk,
    const std::vector<const xAOD::NeutralParticle*>& vectorNeu,
    const xAOD::Vertex& constraint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const xAOD::TrackParticle*>& vectorTrk,
    const xAOD::Vertex& constraint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const Trk::TrackParameters*>& perigeeList,
    const std::vector<const Trk::NeutralParameters*>& neutralPerigeeList,
    const Amg::Vector3D& startingPoint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const Trk::TrackParameters*>& perigeeList,
    const Amg::Vector3D& startingPoint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const Trk::TrackParameters*>& perigeeList,
    const std::vector<const Trk::NeutralParameters*>& neutralPerigeeList,
    const xAOD::Vertex& constraint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const Trk::TrackParameters*>& perigeeList,
    const xAOD::Vertex& constraint) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const Trk::TrackParameters*>& perigeeList,
    const std::vector<const Trk::NeutralParameters*>& neutralPerigeeList) const = 0;
 

  virtual std::unique_ptr<xAOD::Vertex> fit(
    const EventContext& ctx,
    const std::vector<const Trk::TrackParameters*>& perigeeList) const = 0;
 
};
}
#endif