#ifndef ROO_BINNING
#define ROO_BINNING
#include "Rtypes.h"
#include "TList.h"
#include "RooDouble.h"
#include "RooAbsBinning.h"
#include "RooNumber.h"
class RooAbsPdf ;
class RooRealVar ;
class RooBinning : public RooAbsBinning {
public:
RooBinning(Double_t xlo=-RooNumber::infinity, Double_t xhi=RooNumber::infinity, const char* name=0) ;
RooBinning(Int_t nBins, Double_t xlo, Double_t xhi, const char* name=0) ;
RooBinning(Int_t nBins, const Double_t* boundaries, const char* name=0) ;
RooBinning(const RooBinning& other, const char* name=0) ;
RooAbsBinning* clone(const char* name=0) const { return new RooBinning(*this,name?name:GetName()) ; }
~RooBinning() ;
virtual Int_t numBoundaries() const { return _nbins+1 ; }
virtual Int_t binNumber(Double_t x) const ;
virtual Int_t rawBinNumber(Double_t x) const ;
virtual Double_t nearestBoundary(Double_t x) const ;
virtual void setRange(Double_t xlo, Double_t xhi) ;
virtual Double_t lowBound() const { return _xlo ; }
virtual Double_t highBound() const { return _xhi ; }
virtual Double_t averageBinWidth() const { return (highBound()-lowBound())/numBins() ; }
virtual Double_t* array() const ;
virtual Double_t binCenter(Int_t bin) const ;
virtual Double_t binWidth(Int_t bin) const ;
virtual Double_t binLow(Int_t bin) const ;
virtual Double_t binHigh(Int_t bin) const ;
Bool_t addBoundary(Double_t boundary) ;
void addBoundaryPair(Double_t boundary, Double_t mirrorPoint=0) ;
void addUniform(Int_t nBins, Double_t xlo, Double_t xhi) ;
Bool_t removeBoundary(Double_t boundary) ;
TIterator* binIterator() const ;
Bool_t hasBoundary(Double_t boundary) ;
protected:
Bool_t binEdges(Int_t bin, Double_t& xlo, Double_t& xhi) const ;
void updateBinCount() ;
Double_t _xlo ;
Double_t _xhi ;
Bool_t _ownBoundLo ;
Bool_t _ownBoundHi ;
Int_t _nbins ;
TList _boundaries ;
TIterator* _bIter ;
mutable Double_t* _array ;
ClassDef(RooBinning,1)
};
#endif
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