get_MaterialResolutionEffect.h

Go to the documentation of this file.

/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef get_MaterialResolutionEffect_H
#define get_MaterialResolutionEffect_H
#include <array>
#include <cmath>
#include <cstdlib>
#include <memory>
 
#include "AsgMessaging/AsgMessaging.h"
 
class TH1;
class TH2;
class TArrayD;
 
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
  static const int s_nEtaBins = 8;
  static const int s_nSys = 4;
  std::array<std::array<std::array<std::unique_ptr<TH1>, 3>, s_nEtaBins>,
             s_nSys>
      m_hSystPeak;
  std::array<std::array<std::array<std::unique_ptr<TH1>, 3>, s_nEtaBins>,
             s_nSys>
      m_hSystResol;
  std::array<std::unique_ptr<TH2>, 3> m_hsyst_IBL_PP0;
  const TArrayD* m_etBins;  // A xistogram will own this
};
 
#endif