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RooUniformBinning.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * File: $Id: RooUniformBinning.h,v 1.10 2007/05/11 09:11:30 verkerke Exp $
5  * Authors: *
6  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * *
9  * Copyright (c) 2000-2005, Regents of the University of California *
10  * and Stanford University. All rights reserved. *
11  * *
12  * Redistribution and use in source and binary forms, *
13  * with or without modification, are permitted according to the terms *
14  * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15  *****************************************************************************/
16 #ifndef ROO_UNIFORM_BINNING
17 #define ROO_UNIFORM_BINNING
18 
19 #include "Rtypes.h"
20 #include "RooAbsBinning.h"
21 class TIterator ;
22 
24 public:
25 
26  RooUniformBinning(const char* name=0) ;
27  RooUniformBinning(Double_t xlo, Double_t xhi, Int_t nBins, const char* name=0) ;
28  RooUniformBinning(const RooUniformBinning& other, const char* name=0) ;
29  RooAbsBinning* clone(const char* name=0) const { return new RooUniformBinning(*this,name?name:GetName()) ; }
30  virtual ~RooUniformBinning() ;
31 
32  virtual void setRange(Double_t xlo, Double_t xhi) ;
33 
34  virtual Int_t numBoundaries() const { return _nbins + 1 ; }
35  virtual Int_t binNumber(Double_t x) const ;
36  virtual Bool_t isUniform() const { return kTRUE ; }
37 
38  virtual Double_t lowBound() const { return _xlo ; }
39  virtual Double_t highBound() const { return _xhi ; }
40 
41  virtual Double_t binCenter(Int_t bin) const ;
42  virtual Double_t binWidth(Int_t bin) const ;
43  virtual Double_t binLow(Int_t bin) const ;
44  virtual Double_t binHigh(Int_t bin) const ;
45 
46  virtual Double_t averageBinWidth() const { return _binw ; }
47  virtual Double_t* array() const ;
48 
49 protected:
50 
51  mutable Double_t* _array ; //! do not persist
56 
57 
58  ClassDef(RooUniformBinning,1) // Uniform binning specification
59 };
60 
61 #endif
virtual const char * GetName() const
Returns name of object.
Definition: TNamed.h:47
virtual Double_t binCenter(Int_t bin) const
Return the central value of the 'i'-th fit bin.
virtual Double_t * array() const
Return an array of doubles with the bin boundaries.
Iterator abstract base class.
Definition: TIterator.h:30
Double_t x[n]
Definition: legend1.C:17
RooUniformBinning(const char *name=0)
Default Constructor coverity[UNINIT_CTOR].
#define ClassDef(name, id)
Definition: Rtypes.h:322
virtual ~RooUniformBinning()
Destructor.
virtual Int_t numBoundaries() const
virtual Double_t highBound() const
RooAbsBinning * clone(const char *name=0) const
virtual Double_t lowBound() const
virtual void setRange(Double_t xlo, Double_t xhi)
Change range to [xlo,xhi].
RooAbsBinning is the abstract base class for RooRealVar binning definitions This class defines the in...
Definition: RooAbsBinning.h:26
virtual Double_t binHigh(Int_t bin) const
Return the high edge of the 'i'-th fit bin.
RooUniformBinning is an implementation of RooAbsBinning that provides a uniform binning in 'n' bins b...
virtual Int_t binNumber(Double_t x) const
Return the index of the bin that encloses 'x'.
virtual Bool_t isUniform() const
virtual Double_t binWidth(Int_t bin) const
Return the bin width (same for all bins)
Double_t _xlo
do not persist
const Bool_t kTRUE
Definition: RtypesCore.h:89
virtual Double_t binLow(Int_t bin) const
Return the low edge of the 'i'-th fit bin.
char name[80]
Definition: TGX11.cxx:109
virtual Double_t averageBinWidth() const