PuppiAlgo.h

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#ifndef CommonTools_PileupAlgos_PuppiAlgo_h
#define CommonTools_PileupAlgos_PuppiAlgo_h

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "CommonTools/PileupAlgos/interface/PuppiCandidate.h"
#include <vector>

class PuppiAlgo{ 
public:
  PuppiAlgo(edm::ParameterSet &iConfig);
  ~PuppiAlgo();
  static void fillDescriptionsPuppiAlgo(edm::ParameterSetDescription &desc);
  //Computing Mean and RMS
  void   reset();
  void   fixAlgoEtaBin(int i_eta );
  void   add(const PuppiCandidate &iParticle,const double &iVal,const unsigned int iAlgo);
  void   computeMedRMS(const unsigned int &iAlgo,const double &iPVFrac);
  //Get the Weight
  double compute(std::vector<double> const &iVals,double iChi2) const;
  const std::vector<float> & alphas(){ return fPups; }
  //Helpers
  inline int    etaBins() const {return fEtaMin.size(); }
  inline double etaMin(int i) const { return fEtaMin[i]; }
  inline double etaMax(int i) const { return fEtaMax[i]; }
  inline double ptMin() const { return cur_PtMin; }

  inline int    numAlgos () const { return fNAlgos;}
  inline int    algoId  ( unsigned int iAlgo) const { return fAlgoId.at(iAlgo); }
  inline bool   isCharged  ( unsigned int iAlgo) const { return fCharged.at(iAlgo); }
  inline double coneSize  ( unsigned int iAlgo) const { return fConeSize.at(iAlgo); }
  inline double neutralPt  (int iNPV) const { return cur_NeutralPtMin + iNPV * cur_NeutralPtSlope; }

  inline double rms() const {return cur_RMS;}
  inline double median() const {return cur_Med;}

private:  
  unsigned int   fNAlgos;
  std::vector<double>  fEtaMax;
  std::vector<double>  fEtaMin;
  std::vector<double>  fPtMin ;
  std::vector<double>  fNeutralPtMin;
  std::vector<double>  fNeutralPtSlope;

  std::vector<double>  fRMSEtaSF;
  std::vector<double>  fMedEtaSF;
  double fEtaMaxExtrap;

  double cur_PtMin;
  double cur_NeutralPtMin;
  double cur_NeutralPtSlope;
  double cur_RMS;
  double cur_Med;

  std::vector<double> fRMS; // this is the raw RMS per algo
  std::vector<double> fMedian; // this is the raw Median per algo
  std::vector< std::vector<double> > fRMS_perEta; // this is the final RMS used after eta corrections
  std::vector< std::vector<double> > fMedian_perEta; // this is the final Med used after eta corrections

  std::vector<float>  fPups;
  std::vector<float>  fPupsPV;
  std::vector<int>    fAlgoId;
  std::vector<bool>   fCharged;
  std::vector<bool>   fAdjust;
  std::vector<int>    fCombId;
  std::vector<double> fConeSize;
  std::vector<double> fRMSPtMin;
  std::vector<double> fRMSScaleFactor;
  std::vector<double> fMean;
  std::vector<int>    fNCount;

};


#endif