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RooSimSplitGenContext.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id$
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_SIM_SPLIT_GEN_CONTEXT
17#define ROO_SIM_SPLIT_GEN_CONTEXT
18
19#include "RooAbsGenContext.h"
20#include "RooArgSet.h"
21#include <vector>
22
23class RooSimultaneous;
24class RooDataSet;
26
28public:
29 RooSimSplitGenContext(const RooSimultaneous &model, const RooArgSet &vars, Bool_t _verbose= kFALSE, Bool_t autoBinned=kTRUE, const char* binnedTag="");
30 virtual ~RooSimSplitGenContext();
31 virtual void setProtoDataOrder(Int_t* lut) ;
32
33 virtual void attach(const RooArgSet& params) ;
34
35 virtual void printMultiline(std::ostream &os, Int_t content, Bool_t verbose=kFALSE, TString indent="") const ;
36
37 virtual RooDataSet *generate(Double_t nEvents= 0, Bool_t skipInit=kFALSE, Bool_t extendedMode=kFALSE);
38
39 virtual void setExpectedData(Bool_t) ;
40
41protected:
42
43 virtual void initGenerator(const RooArgSet &theEvent);
44 virtual void generateEvent(RooArgSet &theEvent, Int_t remaining);
45
46 RooDataSet* createDataSet(const char* name, const char* title, const RooArgSet& obs) ;
47
49
50 RooAbsCategoryLValue* _idxCat ; // Clone of index category
51 RooArgSet* _idxCatSet ; // Owner of index category components
52 const RooSimultaneous *_pdf ; // Original PDF
53 std::vector<RooAbsGenContext*> _gcList ; // List of component generator contexts
54 std::vector<int> _gcIndex ; // Index value corresponding to component
55 TString _idxCatName ; // Name of index category
56 Int_t _numPdf ; // Number of generated PDFs
57 Double_t* _fracThresh ; // fraction thresholds
58
59 RooArgSet _allVarsPdf ; // All pdf variables
60 TIterator* _proxyIter ; // Iterator over pdf proxies
61
62 ClassDef(RooSimSplitGenContext,0) // Context for efficiently generating a dataset from a RooSimultaneous PDF
63};
64
65#endif
int Int_t
Definition: RtypesCore.h:43
const Bool_t kFALSE
Definition: RtypesCore.h:90
bool Bool_t
Definition: RtypesCore.h:61
double Double_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:89
#define ClassDef(name, id)
Definition: Rtypes.h:322
static void indent(ostringstream &buf, int indent_level)
char name[80]
Definition: TGX11.cxx:109
RooAbsCategoryLValue is the common abstract base class for objects that represent a discrete value th...
RooAbsGenContext is the abstract base class for generator contexts of RooAbsPdf objects.
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
RooDataSet is a container class to hold unbinned data.
Definition: RooDataSet.h:33
RooSimSplitGenContext is an efficient implementation of the generator context specific for RooSimulta...
virtual void attach(const RooArgSet &params)
Attach the index category clone to the given event buffer.
std::vector< RooAbsGenContext * > _gcList
virtual RooDataSet * generate(Double_t nEvents=0, Bool_t skipInit=kFALSE, Bool_t extendedMode=kFALSE)
Generate the specified number of events with nEvents>0 and and return a dataset containing the genera...
virtual void initGenerator(const RooArgSet &theEvent)
Perform one-time initialization of generator context.
virtual void generateEvent(RooArgSet &theEvent, Int_t remaining)
this method is empty because it is not used in this type of context
virtual void printMultiline(std::ostream &os, Int_t content, Bool_t verbose=kFALSE, TString indent="") const
Detailed printing interface.
virtual void setProtoDataOrder(Int_t *lut)
this method is empty because proto datasets are not supported by this context
RooSimSplitGenContext(const RooSimultaneous &model, const RooArgSet &vars, Bool_t _verbose=kFALSE, Bool_t autoBinned=kTRUE, const char *binnedTag="")
Constructor of specialized generator context for RooSimultaneous p.d.f.s.
const RooSimultaneous * _pdf
std::vector< int > _gcIndex
RooDataSet * createDataSet(const char *name, const char *title, const RooArgSet &obs)
this method is empty because it is not used by this context
virtual ~RooSimSplitGenContext()
Destructor. Delete all owned subgenerator contexts.
RooAbsCategoryLValue * _idxCat
RooSimSplitGenContext(const RooSimSplitGenContext &other)
virtual void setExpectedData(Bool_t)
Forward to components.
RooSimultaneous facilitates simultaneous fitting of multiple PDFs to subsets of a given dataset.
Iterator abstract base class.
Definition: TIterator.h:30
Basic string class.
Definition: TString.h:131