IEnergyLossUpdator.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/

// IEnergyLossUpdator.h, (c) ATLAS Detector software
 
#ifndef TRKEXINTERFACES_IENERGYLOSSUPDATOR_H
#define TRKEXINTERFACES_IENERGYLOSSUPDATOR_H
 
// Gaudi
#include "GaudiKernel/IAlgTool.h"
// Trk
#include "TrkEventPrimitives/ParticleHypothesis.h"
#include "TrkEventPrimitives/PropDirection.h"
#include "TrkMaterialOnTrack/EnergyLoss.h"
// STL
#include <memory>
#include <utility>
 
namespace Trk {
 
class MaterialProperties;
 

class IEnergyLossUpdator : virtual public IAlgTool
{
 
public:
  virtual ~IEnergyLossUpdator() {}

  DeclareInterfaceID(IEnergyLossUpdator, 1, 0 );

  virtual double dEdX(const MaterialProperties& mat,
                      double p,
                      ParticleHypothesis particle = pion) const = 0;
  virtual EnergyLoss energyLoss(
    const MaterialProperties& mat,
    double p,
    double pathcorrection,
    PropDirection dir = alongMomentum,
    ParticleHypothesis particle = pion,
    bool useMPV = false) const = 0;

 
  virtual EnergyLoss updateEnergyLoss(
    EnergyLoss& eLoss,
    double caloEnergy,
    double caloEnergyError,
    double pCaloEntry,
    double momentumError,
    int& elossFlag) const = 0;

  virtual void getX0ElossScales(int icalo,
                                double eta,
                                double phi,
                                double& X0Scale,
                                double& ElossScale) const = 0;

  virtual void validationAction() const {}
};
 
} // end of namespace
 
#endif // TRKEXINTERFACES_IENERGYLOSSUPDATOR_H