/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/ElectronPhotonFourMomentumCorrection/ElectronPhotonFourMomentumCorrection/get_MaterialResolutionEffect.h

#ifndef get_MaterialResolutionEffect_H
#define get_MaterialResolutionEffect_H
#include <stdlib.h>
#include <math.h>
#include <memory>

#include "AsgTools/AsgMessaging.h"

#include "TH1.h"
#include "TH2D.h"
#include "TFile.h"
#include "TArrayD.h"

class get_MaterialResolutionEffect : public asg::AsgMessaging {

 public:
  get_MaterialResolutionEffect();
  ~get_MaterialResolutionEffect();

  double getDelta(int particle_type, double energy, double eta,int response_type,int isyst) const;

 private:

  // histograms to store resolution parameters
  TH1D* m_hSystPeak[4][8][3];
  TH1D* m_hSystResol[4][8][3];
  TH2D* m_hsyst_IBL_PP0[3];
  std::unique_ptr <TFile> m_file0;
  //const TArrayD* m_etaBins;
  const TArrayD* m_etBins;


};

#endif

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