APReweightND.h

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


 
#ifndef APReweightND_h
#define APReweightND_h
 
#include "APReweightBase.h"
#include <vector>
#include <map>
 
class TTree;
class THnSparse;
class TAxis;
class APWeightEntry;
 
class APReweightND : public APReweightBase {
 
public:
  APReweightND();                                                                
  APReweightND(THnSparse* denominator_in, THnSparse* numerator_in, bool isTrig = false); 
  virtual ~APReweightND();                                                       
 
  void ReadEfficiency(THnSparse* efficiency_in, THnSparse* err_low_in, THnSparse* err_high_in = 0); 
 
  APWeightEntry* GetBinWeight(const int bin[]);                                  
  APWeightEntry* GetWeight(double value[]);                                      
   
  double GetSampleScale() const;                                                 
  unsigned int NBins() const;                                                    
  
  const THnSparse* GetDenominatorHist() const;                                         
  const THnSparse* GetNumeratorHist() const;                                           
 
  void SetSystUncert(double rel_uncert);                                         
  void SetQuietMode(bool isQuiet = true);                                        
 
  ClassDef(APReweightND, 1)
 
private:
  unsigned int m_n_dim;                                                           
  THnSparse* m_denominator_hist;                                                  
  THnSparse* m_numerator_hist;                                                    
  std::map< std::vector<int> , APWeightEntry* > m_weights;                        
  std::vector< TAxis* > m_axes;                                                   
};
 
#endif