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Reference Guide
RooFormula.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: RooFormula.h,v 1.34 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_FORMULA
17#define ROO_FORMULA
18
19#include "Rtypes.h"
20#include "v5/TFormula.h"
21#include "RooAbsReal.h"
22#include "RooArgSet.h"
23#include "RooPrintable.h"
24#include "RooLinkedList.h"
25#include <vector>
26
28public:
29 // Constructors etc.
30 RooFormula() ;
31 RooFormula(const char* name, const char* formula, const RooArgList& varList);
32 RooFormula(const RooFormula& other, const char* name=0) ;
33 virtual TObject* Clone(const char* newName=0) const { return new RooFormula(*this,newName) ; }
34 virtual ~RooFormula();
35
36 // Dependent management
38 Bool_t changeDependents(const RooAbsCollection& newDeps, Bool_t mustReplaceAll, Bool_t nameChange) ;
39
40 inline RooAbsArg* getParameter(const char* name) const {
41 // Return pointer to parameter with given name
42 return (RooAbsArg*) _useList.FindObject(name) ;
43 }
44 inline RooAbsArg* getParameter(Int_t index) const {
45 // Return pointer to parameter at given index
46 return (RooAbsArg*) _origList.At(index) ;
47 }
48
49 // Function value accessor
50 inline Bool_t ok() { return _isOK ; }
51 Double_t eval(const RooArgSet* nset=0) ;
52
53 // Debugging
54 void dump() ;
55 Bool_t reCompile(const char* newFormula) ;
56
57
58 virtual void printValue(std::ostream& os) const ;
59 virtual void printName(std::ostream& os) const ;
60 virtual void printTitle(std::ostream& os) const ;
61 virtual void printClassName(std::ostream& os) const ;
62 virtual void printArgs(std::ostream& os) const ;
63 void printMultiline(std::ostream& os, Int_t contents, Bool_t verbose=kFALSE, TString indent="") const ;
64
65 inline virtual void Print(Option_t *options= 0) const {
66 // Printing interface (human readable)
68 }
69
70protected:
71
73 void initCopy(const RooFormula& other) ;
74
75 // Interface to ROOT::v5::TFormula engine
76 Int_t DefinedVariable(TString &name, int& action) ; // ROOT 4
77 Int_t DefinedVariable(TString &name) ; // ROOT 3
79
81 mutable Bool_t _isOK ; // Is internal state OK?
82 RooLinkedList _origList ; //! Original list of dependents
83 std::vector<Bool_t> _useIsCat;//! Is given slot in _useList a category?
84 RooLinkedList _useList ; //! List of actual dependents
85 mutable RooArgSet _actual; //! Set of actual dependents
86 RooLinkedList _labelList ; // List of label names for category objects
87 mutable Bool_t _compiled ; // Flag set if formula is compiled
88
89 ClassDef(RooFormula,1) // ROOT::v5::TFormula derived class interfacing with RooAbsArg objects
90};
91
92#endif
int Int_t
Definition: RtypesCore.h:41
const Bool_t kFALSE
Definition: RtypesCore.h:88
bool Bool_t
Definition: RtypesCore.h:59
double Double_t
Definition: RtypesCore.h:55
const char Option_t
Definition: RtypesCore.h:62
#define ClassDef(name, id)
Definition: Rtypes.h:326
static void indent(ostringstream &buf, int indent_level)
char name[80]
Definition: TGX11.cxx:109
The FORMULA class (ROOT version 5)
Definition: TFormula.h:65
RooAbsArg is the common abstract base class for objects that represent a value (of arbitrary type) an...
Definition: RooAbsArg.h:70
RooAbsCollection is an abstract container object that can hold multiple RooAbsArg objects.
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
RooFormula an implementation of ROOT::v5::TFormula that interfaces it to RooAbsArg value objects.
Definition: RooFormula.h:27
Bool_t reCompile(const char *newFormula)
Recompile formula with new expression.
Definition: RooFormula.cxx:111
Bool_t ok()
Definition: RooFormula.h:50
RooFormula & operator=(const RooFormula &other)
virtual void printName(std::ostream &os) const
Print name of formula.
Definition: RooFormula.cxx:435
RooArgSet * _nset
Definition: RooFormula.h:80
virtual void printTitle(std::ostream &os) const
Print title of formula.
Definition: RooFormula.cxx:444
virtual void printClassName(std::ostream &os) const
Print class name of formula.
Definition: RooFormula.cxx:453
RooLinkedList _origList
Definition: RooFormula.h:82
virtual void Print(Option_t *options=0) const
Dump this formula with its attributes.
Definition: RooFormula.h:65
Double_t DefinedValue(Int_t code)
Interface to ROOT::v5::TFormula, return value defined by object with id 'code' Object ids are mapped ...
Definition: RooFormula.cxx:260
void initCopy(const RooFormula &other)
virtual ~RooFormula()
Destructor.
Definition: RooFormula.cxx:132
virtual TObject * Clone(const char *newName=0) const
Make a clone of an object using the Streamer facility.
Definition: RooFormula.h:33
RooArgSet & actualDependents() const
Return list of RooAbsArg dependents that is actually used by formula expression.
Definition: RooFormula.cxx:142
virtual void printValue(std::ostream &os) const
Print value of formula.
Definition: RooFormula.cxx:426
RooFormula()
Default constructor coverity[UNINIT_CTOR].
Definition: RooFormula.cxx:55
std::vector< Bool_t > _useIsCat
Original list of dependents.
Definition: RooFormula.h:83
RooAbsArg * getParameter(const char *name) const
Definition: RooFormula.h:40
RooLinkedList _labelList
Set of actual dependents.
Definition: RooFormula.h:86
RooAbsArg * getParameter(Int_t index) const
Definition: RooFormula.h:44
RooArgSet _actual
List of actual dependents.
Definition: RooFormula.h:85
Bool_t _isOK
Definition: RooFormula.h:81
Double_t eval(const RooArgSet *nset=0)
Evaluate ROOT::v5::TFormula using given normalization set to be used as observables definition passed...
Definition: RooFormula.cxx:234
Int_t DefinedVariable(TString &name, int &action)
Interface to ROOT::v5::TFormula.
Definition: RooFormula.cxx:295
void dump()
DEBUG: Dump state information.
Definition: RooFormula.cxx:166
void printMultiline(std::ostream &os, Int_t contents, Bool_t verbose=kFALSE, TString indent="") const
Printing interface.
Definition: RooFormula.cxx:414
virtual void printArgs(std::ostream &os) const
Print arguments of formula, i.e. dependents that are actually used.
Definition: RooFormula.cxx:462
RooLinkedList _useList
Is given slot in _useList a category?
Definition: RooFormula.h:84
Bool_t _compiled
Definition: RooFormula.h:87
Bool_t changeDependents(const RooAbsCollection &newDeps, Bool_t mustReplaceAll, Bool_t nameChange)
Change used variables to those with the same name in given list If mustReplaceAll is true and error i...
Definition: RooFormula.cxx:191
RooLinkedList is an collection class for internal use, storing a collection of RooAbsArg pointers in ...
Definition: RooLinkedList.h:36
TObject * FindObject(const char *name) const
Return pointer to obejct with given name.
TObject * At(Int_t index) const
Return object stored in sequential position given by index.
RooPlotable is a 'mix-in' base class that define the standard RooFit plotting and printing methods.
Definition: RooPrintable.h:25
virtual StyleOption defaultPrintStyle(Option_t *opt) const
virtual Int_t defaultPrintContents(Option_t *opt) const
Default choice of contents to be printed (name and value)
static std::ostream & defaultPrintStream(std::ostream *os=0)
Return a reference to the current default stream to use in Print().
virtual void printStream(std::ostream &os, Int_t contents, StyleOption style, TString indent="") const
Print description of object on ostream, printing contents set by contents integer,...
Mother of all ROOT objects.
Definition: TObject.h:37
Basic string class.
Definition: TString.h:131