IExtendTrackToLayerTool.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGEFMISSINGET_IEXTENDTRACKTOLAYERTOOL_H
#define TRIGEFMISSINGET_IEXTENDTRACKTOLAYERTOOL_H
 
#include "AsgTools/IAsgTool.h"
#include "xAODTracking/TrackParticleContainer.h"
#include <limits>
#include <cmath>
 
class IExtendTrackToLayerTool : public virtual asg::IAsgTool
{
  ASG_TOOL_INTERFACE(IExtendTrackToLayerTool)
public:
  virtual ~IExtendTrackToLayerTool() {}
 
  struct TrackExtension
  {
    double eta{-std::numeric_limits<double>::infinity()};
    double phi{-std::numeric_limits<double>::infinity()};
    inline bool isValid() const
    {
      return std::isfinite(phi) && std::isfinite(eta);
    }
  };
 
  virtual TrackExtension extendTrack(
    const EventContext& ctx,
     const xAOD::TrackParticle &track) const = 0;
}; //> end class IExtendTrackToLayerTool
 
#endif //> !TRIGEFMISSINGET_IEXTENDTRACKTOLAYERTOOL_H