d9/d4c/APWeightSum_8h_source.html

/*

  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration

*/


#ifndef APWeightSum_h

#define APWeightSum_h


#include "TNamed.h"

#include "APEvtWeight.h"

#include <vector>


class APWeightEntry;

class APReweightBase;

class THnSparse;


class APWeightSum : public TNamed {


public:

  APWeightSum();

  virtual ~APWeightSum();

  void AddWeightToEvt(APWeightEntry* weight);

  void FinishEvt(double ext_weight = 1.0);

  void AddEvt(APEvtWeight* evt_weight, double ext_weight = 1.0);

  double GetSumW() const;

  double GetSumW2() const;

  double GetSumWExternal() const;

  double GetStdDev();

  double GetVariance();

  double GetVarianceNoCorr();

  double GetVarianceFullCorr();

  double GetSysUncert() const;

  unsigned long GetKUnweighted() const;

  THnSparse* GetUncertHistogram( APReweightBase* weighter );

  const std::vector<THnSparse*> & GetAllUncertHistograms();

  ClassDef(APWeightSum,1)


protected:

  void Compute();

  std::vector< APWeightEntry* > m_current_evt_weights;

  std::vector< THnSparse* > m_linear_uncert;

  unsigned long int m_k_evt_orig;

  double m_k_evt_weight;

  double m_k_evt_weight2;

  double m_k_evt_weight_external;

  double m_variance;

  double m_variance_nocorr;

  double m_variance_fullcorr;

  double m_variance_sys;

  bool m_isComputed;

};


#endif