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RooAbsRealLValue.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * File: $Id: RooAbsRealLValue.h,v 1.37 2007/07/13 21:50:24 wouter 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_ABS_REAL_LVALUE
17 #define ROO_ABS_REAL_LVALUE
18 
19 #include <cmath>
20 #include <float.h>
21 #include "TString.h"
22 
23 #include "RooAbsReal.h"
24 #include "RooNumber.h"
25 #include "RooAbsLValue.h"
26 #include "RooAbsBinning.h"
27 
28 class RooArgSet ;
29 
30 class RooAbsRealLValue : public RooAbsReal, public RooAbsLValue {
31 public:
32  // Constructors, assignment etc.
33  inline RooAbsRealLValue() { }
34  RooAbsRealLValue(const char *name, const char *title, const char *unit= "") ;
35  RooAbsRealLValue(const RooAbsRealLValue& other, const char* name=0);
36  RooAbsRealLValue& operator=(const RooAbsRealLValue&) = default;
37  virtual ~RooAbsRealLValue();
38 
39  // Parameter value and error accessors
40  virtual void setVal(Double_t value)=0;
41  virtual RooAbsArg& operator=(const RooAbsReal& other) ;
42  virtual RooAbsArg& operator=(Double_t newValue);
43 
44  // Implementation of RooAbsLValue
45  virtual void setBin(Int_t ibin, const char* rangeName=0) ;
46  virtual Int_t getBin(const char* rangeName=0) const { return getBinning(rangeName).binNumber(getVal()) ; }
47  virtual Int_t numBins(const char* rangeName=0) const { return getBins(rangeName) ; }
48  virtual Double_t getBinWidth(Int_t i, const char* rangeName=0) const { return getBinning(rangeName).binWidth(i) ; }
49  virtual Double_t volume(const char* rangeName) const { return getMax(rangeName)-getMin(rangeName) ; }
50  virtual void randomize(const char* rangeName=0);
51 
52  virtual const RooAbsBinning* getBinningPtr(const char* rangeName) const { return &getBinning(rangeName) ; }
53  virtual Int_t getBin(const RooAbsBinning* ptr) const { return ptr->binNumber(getVal()) ; }
54 
55  virtual void setBin(Int_t ibin, const RooAbsBinning& binning) ;
56  virtual Int_t getBin(const RooAbsBinning& binning) const { return binning.binNumber(getVal()) ; }
57  virtual Int_t numBins(const RooAbsBinning& binning) const { return binning.numBins() ; }
58  virtual Double_t getBinWidth(Int_t i, const RooAbsBinning& binning) const { return binning.binWidth(i) ; }
59  virtual Double_t volume(const RooAbsBinning& binning) const { return binning.highBound() - binning.lowBound() ; }
60  virtual void randomize(const RooAbsBinning& binning) ;
61 
62 
63  virtual void setBinFast(Int_t ibin, const RooAbsBinning& binning) ;
64 
65  // Get fit range limits
66 
67  /// Retrive binning configuration with given name or default binning.
68  virtual const RooAbsBinning& getBinning(const char* name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) const = 0 ;
69  /// Retrive binning configuration with given name or default binning.
70  virtual RooAbsBinning& getBinning(const char* name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) = 0 ;
71  /// Check if binning with given name has been defined.
72  virtual Bool_t hasBinning(const char* name) const = 0 ;
73  virtual Bool_t inRange(const char* name) const ;
74  /// Get number of bins of currently defined range.
75  /// \param name Optionally, request number of bins for range with given name.
76  virtual Int_t getBins(const char* name=0) const { return getBinning(name).numBins(); }
77  /// Get miniminum of currently defined range.
78  /// \param name Optionally, request minimum of range with given name.
79  virtual Double_t getMin(const char* name=0) const { return getBinning(name).lowBound(); }
80  /// Get maximum of currently defined range.
81  /// \param name Optionally, request maximum of range with given name.
82  virtual Double_t getMax(const char* name=0) const { return getBinning(name).highBound(); }
83  /// Get low and high bound of the variable.
84  /// \param name Optional range name. If not given, the default range will be used.
85  /// \return A pair with [lowerBound, upperBound]
86  std::pair<double, double> getRange(const char* name = 0) const {
87  return {getMin(name), getMax(name)};
88  }
89  /// Check if variable has a lower bound.
90  inline Bool_t hasMin(const char* name=0) const { return !RooNumber::isInfinite(getMin(name)); }
91  /// Check if variable has an upper bound.
92  inline Bool_t hasMax(const char* name=0) const { return !RooNumber::isInfinite(getMax(name)); }
93  /// Check if variable has a binning with given name.
94  virtual Bool_t hasRange(const char* name) const { return hasBinning(name) ; }
95 
96  // Jacobian term management
97  virtual Bool_t isJacobianOK(const RooArgSet& depList) const ;
98  virtual Double_t jacobian() const { return 1 ; }
99 
100  inline virtual Bool_t isLValue() const { return kTRUE; }
101 
102  // Test a value against our fit range
103  Bool_t inRange(Double_t value, const char* rangeName, Double_t* clippedValue=0) const;
104  virtual Bool_t isValidReal(Double_t value, Bool_t printError=kFALSE) const ;
105 
106  // Constant and Projected flags
107  inline void setConstant(Bool_t value= kTRUE) { setAttribute("Constant",value); setValueDirty() ; setShapeDirty() ; }
108 
109  // I/O streaming interface (machine readable)
110  virtual Bool_t readFromStream(std::istream& is, Bool_t compact, Bool_t verbose=kFALSE) ;
111  virtual void writeToStream(std::ostream& os, Bool_t compact) const ;
112 
113  // Printing interface (human readable)
114  virtual void printMultiline(std::ostream& os, Int_t contents, Bool_t verbose=kFALSE, TString indent="") const ;
115 
116 
117  // Build 1-dimensional plots
118  RooPlot* frame(const RooCmdArg& arg1, const RooCmdArg& arg2=RooCmdArg::none(),
119  const RooCmdArg& arg3=RooCmdArg::none(), const RooCmdArg& arg4=RooCmdArg::none(), const RooCmdArg& arg5=RooCmdArg::none(),
120  const RooCmdArg& arg6=RooCmdArg::none(), const RooCmdArg& arg7=RooCmdArg::none(), const RooCmdArg& arg8=RooCmdArg::none()) const ;
121  RooPlot *frame(const RooLinkedList& cmdList) const ;
122  RooPlot *frame(Double_t lo, Double_t hi, Int_t nbins) const;
123  RooPlot *frame(Double_t lo, Double_t hi) const;
124  RooPlot *frame(Int_t nbins) const;
125  RooPlot *frame() const;
126 
127  // Create empty 1,2, and 3D histograms from a list of 1-3 RooAbsReals
128  TH1 *createHistogram(const char *name,
129  const RooCmdArg& arg1=RooCmdArg::none(), const RooCmdArg& arg2=RooCmdArg::none(),
130  const RooCmdArg& arg3=RooCmdArg::none(), const RooCmdArg& arg4=RooCmdArg::none(),
131  const RooCmdArg& arg5=RooCmdArg::none(), const RooCmdArg& arg6=RooCmdArg::none(),
132  const RooCmdArg& arg7=RooCmdArg::none(), const RooCmdArg& arg8=RooCmdArg::none()) const ;
133  TH1 *createHistogram(const char *name, const RooLinkedList& cmdList) const ;
134 
135  TH1F *createHistogram(const char *name, const char *yAxisLabel) const ;
136  TH1F *createHistogram(const char *name, const char *yAxisLabel, Double_t xlo, Double_t xhi, Int_t nBins) const ;
137  TH1F *createHistogram(const char *name, const char *yAxisLabel, const RooAbsBinning& bins) const ;
138 
139  TH2F *createHistogram(const char *name, const RooAbsRealLValue &yvar, const char *zAxisLabel=0,
140  Double_t* xlo=0, Double_t* xhi=0, Int_t* nBins=0) const ;
141  TH2F *createHistogram(const char *name, const RooAbsRealLValue &yvar, const char *zAxisLabel, const RooAbsBinning** bins) const ;
142 
143 
144  TH3F *createHistogram(const char *name, const RooAbsRealLValue &yvar, const RooAbsRealLValue &zvar,
145  const char *tAxisLabel, Double_t* xlo=0, Double_t* xhi=0, Int_t* nBins=0) const ;
146  TH3F *createHistogram(const char *name, const RooAbsRealLValue &yvar, const RooAbsRealLValue &zvar, const char* tAxisLabel, const RooAbsBinning** bins) const ;
147 
148  static TH1* createHistogram(const char *name, RooArgList &vars, const char *tAxisLabel, Double_t* xlo, Double_t* xhi, Int_t* nBins) ;
149  static TH1* createHistogram(const char *name, RooArgList &vars, const char *tAxisLabel, const RooAbsBinning** bins) ;
150 
151 protected:
152 
153  friend class RooRealBinding ;
154 
155  virtual void setValFast(Double_t value) { setVal(value) ; }
156 
157  virtual void setVal(Double_t value, const char* /*rangeName*/) {
158  // Set object value to 'value'
159  return setVal(value) ;
160  }
161  Bool_t fitRangeOKForPlotting() const ;
162  void copyCache(const RooAbsArg* source, Bool_t valueOnly=kFALSE, Bool_t setValDirty=kTRUE) ;
163 
164  ClassDef(RooAbsRealLValue,1) // Abstract modifiable real-valued object
165 };
166 
167 #endif
virtual Double_t getMin(const char *name=0) const
Get miniminum of currently defined range.
void setAttribute(const Text_t *name, Bool_t value=kTRUE)
Set (default) or clear a named boolean attribute of this object.
Definition: RooAbsArg.cxx:259
virtual void setBin(Int_t ibin, const char *rangeName=0)
Set value to center of bin &#39;ibin&#39; of binning &#39;rangeName&#39; (or of default binning if no range is specif...
virtual ~RooAbsRealLValue()
Destructor.
Bool_t hasMin(const char *name=0) const
Check if variable has a lower bound.
virtual void setValFast(Double_t value)
virtual Double_t getMax(const char *name=0) const
Get maximum of currently defined range.
virtual Int_t getBin(const RooAbsBinning *ptr) const
virtual void randomize(const char *rangeName=0)
Set a new value sampled from a uniform distribution over the fit range.
void setShapeDirty()
Notify that a shape-like property (e.g. binning) has changed.
Definition: RooAbsArg.h:471
3-D histogram with a float per channel (see TH1 documentation)}
Definition: TH3.h:267
virtual Int_t numBins(const char *rangeName=0) const
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
virtual Double_t volume(const char *rangeName) const
virtual void printMultiline(std::ostream &os, Int_t contents, Bool_t verbose=kFALSE, TString indent="") const
Structure printing.
Bool_t hasMax(const char *name=0) const
Check if variable has an upper bound.
Basic string class.
Definition: TString.h:131
virtual Double_t volume(const RooAbsBinning &binning) const
1-D histogram with a float per channel (see TH1 documentation)}
Definition: TH1.h:571
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
static Int_t isInfinite(Double_t x)
Return true if x is infinite by RooNumBer internal specification.
Definition: RooNumber.cxx:58
virtual Double_t getBinWidth(Int_t i, const RooAbsBinning &binning) const
virtual void writeToStream(std::ostream &os, Bool_t compact) const
Write object contents to given stream.
virtual Double_t jacobian() const
virtual Bool_t readFromStream(std::istream &is, Bool_t compact, Bool_t verbose=kFALSE)
Read object contents from given stream.
static const RooCmdArg & none()
Return reference to null argument.
Definition: RooCmdArg.cxx:52
#define ClassDef(name, id)
Definition: Rtypes.h:326
Bool_t fitRangeOKForPlotting() const
Check if fit range is usable as plot range, i.e.
TH1 * createHistogram(const char *name, const RooCmdArg &arg1=RooCmdArg::none(), const RooCmdArg &arg2=RooCmdArg::none(), const RooCmdArg &arg3=RooCmdArg::none(), const RooCmdArg &arg4=RooCmdArg::none(), const RooCmdArg &arg5=RooCmdArg::none(), const RooCmdArg &arg6=RooCmdArg::none(), const RooCmdArg &arg7=RooCmdArg::none(), const RooCmdArg &arg8=RooCmdArg::none()) const
virtual void setBinFast(Int_t ibin, const RooAbsBinning &binning)
Set value to center of bin &#39;ibin&#39; of binning &#39;rangeName&#39; (or of default binning if no range is specif...
RooPlot * frame() const
Create a new RooPlot on the heap with a drawing frame initialized for this object, but no plot contents.
virtual Double_t highBound() const =0
virtual const RooAbsBinning * getBinningPtr(const char *rangeName) const
virtual Bool_t isValidReal(Double_t value, Bool_t printError=kFALSE) const
Check if given value is valid.
void setConstant(Bool_t value=kTRUE)
2-D histogram with a float per channel (see TH1 documentation)}
Definition: TH2.h:251
virtual Bool_t hasBinning(const char *name) const =0
Check if binning with given name has been defined.
Double_t getVal(const RooArgSet *normalisationSet=nullptr) const
Evaluate object.
Definition: RooAbsReal.h:89
virtual const RooAbsBinning & getBinning(const char *name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) const =0
Retrive binning configuration with given name or default binning.
virtual Double_t lowBound() const =0
virtual void setVal(Double_t value, const char *)
static void indent(ostringstream &buf, int indent_level)
virtual void setVal(Double_t value)=0
virtual Int_t binNumber(Double_t x) const =0
A RooPlot is a plot frame and a container for graphics objects within that frame. ...
Definition: RooPlot.h:44
const Bool_t kFALSE
Definition: RtypesCore.h:88
RooLinkedList is an collection class for internal use, storing a collection of RooAbsArg pointers in ...
Definition: RooLinkedList.h:36
virtual Bool_t isJacobianOK(const RooArgSet &depList) const
RooAbsBinning is the abstract base class for RooRealVar binning definitions This class defines the in...
Definition: RooAbsBinning.h:26
double Double_t
Definition: RtypesCore.h:55
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:59
virtual Int_t getBin(const char *rangeName=0) const
The TH1 histogram class.
Definition: TH1.h:56
Int_t numBins() const
Definition: RooAbsBinning.h:37
virtual Int_t numBins(const RooAbsBinning &binning) const
virtual Bool_t inRange(const char *name) const
Check if current value is inside range with given name.
void setValueDirty()
Mark the element dirty. This forces a re-evaluation when a value is requested.
Definition: RooAbsArg.h:466
RooAbsRealLValue is the common abstract base class for objects that represent a real value that may a...
virtual Double_t binWidth(Int_t bin) const =0
virtual Bool_t hasRange(const char *name) const
Check if variable has a binning with given name.
virtual Bool_t isLValue() const
Is this argument an l-value, i.e., can it appear on the left-hand side of an assignment expression...
void copyCache(const RooAbsArg *source, Bool_t valueOnly=kFALSE, Bool_t setValDirty=kTRUE)
Copy cache of another RooAbsArg to our cache.
std::pair< double, double > getRange(const char *name=0) const
Get low and high bound of the variable.
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
float type_of_call hi(const int &, const int &)
virtual Int_t getBins(const char *name=0) const
Get number of bins of currently defined range.
Abstract base class for objects that are lvalues, i.e.
Definition: RooAbsLValue.h:26
RooAbsRealLValue & operator=(const RooAbsRealLValue &)=default
Lightweight interface adaptor that binds a RooAbsReal object to a subset of its servers and present i...
RooAbsArg is the common abstract base class for objects that represent a value (of arbitrary type) an...
Definition: RooAbsArg.h:71
virtual Double_t getBinWidth(Int_t i, const char *rangeName=0) const
const Bool_t kTRUE
Definition: RtypesCore.h:87
char name[80]
Definition: TGX11.cxx:109
virtual Int_t getBin(const RooAbsBinning &binning) const
RooCmdArg is a named container for two doubles, two integers two object points and three string point...
Definition: RooCmdArg.h:28