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RooConvGenContext.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: RooConvGenContext.h,v 1.12 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_CONV_GEN_CONTEXT
17#define ROO_CONV_GEN_CONTEXT
18
19#include "RooAbsGenContext.h"
20#include "RooArgSet.h"
21
23class RooDataSet;
24class RooRealIntegral;
25class RooAcceptReject;
26class TRandom;
27class RooRealVar ;
28class RooNumConvPdf ;
29class RooFFTConvPdf ;
30
32public:
33 RooConvGenContext(const RooFFTConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
34 const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
35 RooConvGenContext(const RooNumConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
36 const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
37 RooConvGenContext(const RooAbsAnaConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
38 const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
39 virtual ~RooConvGenContext();
40
41 virtual void setProtoDataOrder(Int_t* lut) ;
42
43 virtual void attach(const RooArgSet& params) ;
44
45 virtual void printMultiline(std::ostream &os, Int_t content, Bool_t verbose=kFALSE, TString indent="") const ;
46
47 virtual void initGenerator(const RooArgSet &theEvent);
48 virtual void generateEvent(RooArgSet &theEvent, Int_t remaining);
49
50protected:
51
53
54 RooAbsGenContext* _pdfGen ; // Physics model generator context
55 RooAbsGenContext* _modelGen ; // Resolution model generator context
56 TString _convVarName ; // Name of convolution variable
57 RooArgSet* _pdfVarsOwned ; // Owning version of pdfVars ;
58 RooArgSet* _modelVarsOwned ; // Owning version of modelVars ;
59 RooArgSet* _pdfVars ; // Holder of PDF x truth event
60 RooArgSet* _modelVars ; // Holder of resModel event
61 RooArgSet* _pdfCloneSet ; // Owner of PDF clone
62 RooArgSet* _modelCloneSet ; // Owner of resModel clone
63 RooRealVar* _cvModel{nullptr}; // Convolution variable in resModel event
64 RooRealVar* _cvPdf{nullptr}; // Convolution variable in PDFxTruth event
65 RooRealVar* _cvOut{nullptr}; // Convolution variable in output event
66
67 ClassDef(RooConvGenContext,0) // Context for generating a dataset from a PDF
68};
69
70#endif
int Int_t
Definition: RtypesCore.h:43
const Bool_t kFALSE
Definition: RtypesCore.h:90
bool Bool_t
Definition: RtypesCore.h:61
#define ClassDef(name, id)
Definition: Rtypes.h:322
static void indent(ostringstream &buf, int indent_level)
RooAbsAnaConvPdf is the base class for PDFs that represent a physics model that can be analytically c...
RooAbsGenContext is the abstract base class for generator contexts of RooAbsPdf objects.
Class RooAcceptReject is a generic toy monte carlo generator implement the accept/reject sampling tec...
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
RooConvGenContext is an efficient implementation of the generator context specific for RooAbsAnaConvP...
virtual ~RooConvGenContext()
Destructor.
RooArgSet * _modelCloneSet
RooArgSet * _modelVarsOwned
RooConvGenContext(const RooFFTConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype=0, const RooArgSet *auxProto=0, Bool_t _verbose=kFALSE)
Constructor for specialized generator context for FFT numerical convolutions.
RooConvGenContext(const RooConvGenContext &other)
RooAbsGenContext * _pdfGen
RooAbsGenContext * _modelGen
RooArgSet * _pdfCloneSet
virtual void printMultiline(std::ostream &os, Int_t content, Bool_t verbose=kFALSE, TString indent="") const
Print the details of this generator context.
RooArgSet * _pdfVarsOwned
RooRealVar * _cvModel
virtual void generateEvent(RooArgSet &theEvent, Int_t remaining)
Generate a single event.
virtual void initGenerator(const RooArgSet &theEvent)
One-time initialization of generator context, attaches the context to the supplied event container.
virtual void attach(const RooArgSet &params)
Attach given set of arguments to internal clones of pdf and resolution model.
RooArgSet * _modelVars
virtual void setProtoDataOrder(Int_t *lut)
Set the traversal order for events in the prototype dataset The argument is a array of integers with ...
RooDataSet is a container class to hold unbinned data.
Definition: RooDataSet.h:33
PDF for the numerical (FFT) convolution of two PDFs.
Definition: RooFFTConvPdf.h:25
Numeric 1-dimensional convolution operator PDF.
Definition: RooNumConvPdf.h:26
RooRealIntegral performs hybrid numerical/analytical integrals of RooAbsReal objects.
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:35
This is the base class for the ROOT Random number generators.
Definition: TRandom.h:27
Basic string class.
Definition: TString.h:131