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#ifndef utils_h
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#define utils_h
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#include <math.h>
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#include <vector>
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#include <fstream>
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#include "init.h"
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#include "muon.h"
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#include "electron.h"
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#include "mcParticle.h"
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//#include "inputbins.h"
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double dR(double eta1, double phi1, double eta2, double phi2);
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double pt(double px,double py);
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double phi(double px,double py);
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double p(double px,double py,double pz);
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double eta(double pz,double p);
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double correctZZweight(double weight,const double m4l);
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double sortMaxToMin(const double* a, const int size, const int j);
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int FindTrueLepMatchedToThisRECLep(Electron* recMu,
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vector<mcParticle*> genMus, double deltar = 0.3, bool requiresamecharge=false);
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int FindRecLepMatchedToThisGenLep(mcParticle* genMu,
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vector<Electron*> recMus, double deltar=0.3, bool requiresamecharge=false);
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int FindRecLepMatchedToThisGenLep(mcParticle* genMu,
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vector<Electron*> recMus, int used, double deltar=0.3, bool requiresamecharge=false);
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int FindTrueLepMatchedToThisRECLep(Muon* recMu,
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vector<mcParticle*> genMus, double deltar=0.3, bool requiresamecharge=false);
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int FindRecLepMatchedToThisGenLep(mcParticle* genMu,
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vector<Muon*> recMus, double deltar=0.3, bool requiresamecharge=false);
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int FindRecLepMatchedToThisGenLep(mcParticle* genMu,
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vector<Muon*> recMus, int used, double deltar=0.3, bool requiresamecharge=false);
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void PrintRecMuonInfo(vector<Muon*> recMu, ofstream & fout);
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void PrintRecMuonInfo(vector<Muon*> recMu);
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void PrintBriefGenChain(vector<mcParticle*> genMu, ofstream& fout);
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int FindTrueElectronMatchedToThisRECElectron(Electron* recEl,
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vector<mcParticle*> genEls);
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void PrintRecElectronInfo(vector<Electron*> recEl, ofstream & fout);
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float DeltaPhi(float v1, float v2);
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float GetDeltaR(float eta1, float eta2, float phi1, float phi2);
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char * asctime_mine(const struct tm *timeptr);
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bool filterRun(int run, int lumi);
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double GetTheta( TLorentzVector a, TLorentzVector b) ;
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double TransverseMass(double metx, double mety, TLorentzVector lepton );
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#endif
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