message: new variable for pvz
diff: @@ -46,6 +46,8 @@ class AliAnalysisTaskLegendreCoef : public AliAnalysisTaskSE
  void SetTPCNCrossedRows(UShort_t crossedrows) { fTPCNCrossedRows = crossedrows; }
  void SetPVzMinLimit(Float_t pvzmin) {fPVzMin=pvzmin;}
  void SetPVzMaxLimit(Float_t pvzmax) {fPVzMax=pvzmax;}
  + void SetPVzSign(Int_t sign) {fPVzSign=sign;}//-1 then negative pvz, +1 then positive pvz, 0 then absolute value (to test effect from the TPC membrane)
  +
  private:
  Double_t GetSingleAnCoef(int order, TH1D *hist); //method to get direct an
  @@ -79,7 +81,7 @@ class AliAnalysisTaskLegendreCoef : public AliAnalysisTaskSE
  UShort_t fTPCNCrossedRows;
  Float_t fPVzMax; //max PVz
  Float_t fPVzMin; //min PVz
  -
  + Int_t fPVzSign; //sign of PVz
  AliEventCuts fEventCuts;
  