00001 /***************************************************************************** 00002 * Project: RooFit * 00003 * Package: RooFitCore * 00004 * File: $Id: RooUniformBinning.h,v 1.10 2007/05/11 09:11:30 verkerke Exp $ 00005 * Authors: * 00006 * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu * 00007 * DK, David Kirkby, UC Irvine, dkirkby@uci.edu * 00008 * * 00009 * Copyright (c) 2000-2005, Regents of the University of California * 00010 * and Stanford University. All rights reserved. * 00011 * * 00012 * Redistribution and use in source and binary forms, * 00013 * with or without modification, are permitted according to the terms * 00014 * listed in LICENSE (http://roofit.sourceforge.net/license.txt) * 00015 *****************************************************************************/ 00016 #ifndef ROO_UNIFORM_BINNING 00017 #define ROO_UNIFORM_BINNING 00018 00019 #include "Rtypes.h" 00020 #include "RooAbsBinning.h" 00021 class TIterator ; 00022 00023 class RooUniformBinning : public RooAbsBinning { 00024 public: 00025 00026 RooUniformBinning(const char* name=0) ; 00027 RooUniformBinning(Double_t xlo, Double_t xhi, Int_t nBins, const char* name=0) ; 00028 RooUniformBinning(const RooUniformBinning& other, const char* name=0) ; 00029 RooAbsBinning* clone(const char* name=0) const { return new RooUniformBinning(*this,name?name:GetName()) ; } 00030 virtual ~RooUniformBinning() ; 00031 00032 virtual void setRange(Double_t xlo, Double_t xhi) ; 00033 00034 virtual Int_t numBoundaries() const { return _nbins + 1 ; } 00035 virtual Int_t binNumber(Double_t x) const ; 00036 virtual Bool_t isUniform() const { return kTRUE ; } 00037 00038 virtual Double_t lowBound() const { return _xlo ; } 00039 virtual Double_t highBound() const { return _xhi ; } 00040 00041 virtual Double_t binCenter(Int_t bin) const ; 00042 virtual Double_t binWidth(Int_t bin) const ; 00043 virtual Double_t binLow(Int_t bin) const ; 00044 virtual Double_t binHigh(Int_t bin) const ; 00045 00046 virtual Double_t averageBinWidth() const { return _binw ; } 00047 virtual Double_t* array() const ; 00048 00049 protected: 00050 00051 mutable Double_t* _array ; //! do not persist 00052 Double_t _xlo ; 00053 Double_t _xhi ; 00054 Int_t _nbins ; 00055 Double_t _binw ; 00056 00057 00058 ClassDef(RooUniformBinning,1) // Uniform binning specification 00059 }; 00060 00061 #endif
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