TVariableBinning.h

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#ifndef TVARIABLEBINNING_H
#define TVARIABLEBINNING_H
/* Copyright(c) 1998-2016, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

#include <exception>
#include <Rtypes.h>
#include <TArrayD.h>
#include <TBinning.h>

class TVariableBinning : public TBinning{
public:

  class LimitsNotSetException : public std::exception{
  public:

    LimitsNotSetException() {}

    virtual ~LimitsNotSetException() throw() {}

    virtual const char *what() const throw() { return "Limits needed for the linear binning are not set."; }
  };

  TVariableBinning();

  TVariableBinning(Int_t nbins, const Double_t* binedges);

  TVariableBinning(const TArrayD &binedges);

  virtual ~TVariableBinning() {}

  virtual TBinning *MakeCopy() const;

  inline void Set(Int_t nbins, const Double_t *binedges);

  void Set(const TArrayD &binedges) { fBinEdges = binedges; }


  virtual void CreateBinEdges(TArrayD &binedges) const;

private:
  TArrayD                         fBinEdges;
};

void TVariableBinning::Set(Int_t nbins, const Double_t *binedges){
  fBinEdges.Set(nbins+1);
  for(int i = 0; i < nbins + 1; i++) fBinEdges[i] = binedges[i];
}

#endif /* TVARIABLEBINNING_H */