/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/ElectronPhotonFourMomentumCorrection/ElectronPhotonFourMomentumCorrection/e1hg_systematics.h

#ifndef E1HG_SYSTEMATICS_H
#define E1HG_SYSTEMATICS_H
#include "TH1.h"
#include "TFile.h"
#include "TArrayD.h"

class e1hg_systematics {

 public:
  e1hg_systematics();
  ~e1hg_systematics();

  double getAlpha(int particle_type, double energy, double eta, bool interpolate=false) const;

 private:

  // histograms to store parameters
  TH1D* m_helec[8];
  TH1D* m_hphot[8];
  TH1D* m_hphot2[8];
  TFile* m_file0;
  const TArrayD* m_etBins;

};

#endif

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