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RooTruthModel.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: RooTruthModel.h,v 1.18 2007/05/11 10:14:56 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_TRUTH_MODEL
17#define ROO_TRUTH_MODEL
18
19#include "RooResolutionModel.h"
20
22public:
23
32
35 enum BasisSign { Both=0, Plus=+1, Minus=-1 } ;
36
37 // Constructors, assignment etc
38 inline RooTruthModel() { }
39 RooTruthModel(const char *name, const char *title, RooAbsRealLValue& x) ;
40 RooTruthModel(const RooTruthModel& other, const char* name=0);
41 virtual TObject* clone(const char* newname) const { return new RooTruthModel(*this,newname) ; }
42 virtual ~RooTruthModel();
43
44 virtual Int_t basisCode(const char* name) const ;
45
46 virtual RooAbsGenContext* modelGenContext(const RooAbsAnaConvPdf& convPdf, const RooArgSet &vars,
47 const RooDataSet *prototype=0, const RooArgSet* auxProto=0,
48 Bool_t verbose= kFALSE) const;
49
50 Int_t getGenerator(const RooArgSet& directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const;
51 void generateEvent(Int_t code);
52
53 Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=0) const ;
54 Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const ;
55
56protected:
57 virtual Double_t evaluate() const ;
58 virtual void changeBasis(RooFormulaVar* basis) ;
59
60 ClassDef(RooTruthModel,1) // Truth resolution model (delta function)
61};
62
63#endif
const Bool_t kFALSE
Definition RtypesCore.h:101
double Double_t
Definition RtypesCore.h:59
const Bool_t kTRUE
Definition RtypesCore.h:100
#define ClassDef(name, id)
Definition Rtypes.h:325
char name[80]
Definition TGX11.cxx:110
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.
RooAbsRealLValue is the common abstract base class for objects that represent a real value that may a...
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition RooArgSet.h:35
RooDataSet is a container class to hold unbinned data.
Definition RooDataSet.h:36
A RooFormulaVar is a generic implementation of a real-valued object, which takes a RooArgList of serv...
RooResolutionModel is the base class for PDFs that represent a resolution model that can be convolute...
const RooFormulaVar & basis() const
RooTemplateProxy< RooAbsRealLValue > x
RooTruthModel is an implementation of RooResolution model that provides a delta-function resolution m...
virtual Int_t basisCode(const char *name) const
Return basis code for given basis definition string.
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=0) const
Advertise analytical integrals for compiled basis functions and when used as p.d.f without basis func...
virtual ~RooTruthModel()
Destructor.
virtual TObject * clone(const char *newname) const
virtual void changeBasis(RooFormulaVar *basis)
Changes associated bases function to 'inBasis'.
void generateEvent(Int_t code)
Implement internal generator for observable x, x=0 for all events following definition of delta funct...
Int_t getGenerator(const RooArgSet &directVars, RooArgSet &generateVars, Bool_t staticInitOK=kTRUE) const
Advertise internal generator for observable x.
Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Implement analytical integrals when used as p.d.f and for compiled basis functions.
virtual Double_t evaluate() const
Evaluate the truth model: a delta function when used as PDF, the basis function itself,...
virtual RooAbsGenContext * modelGenContext(const RooAbsAnaConvPdf &convPdf, const RooArgSet &vars, const RooDataSet *prototype=0, const RooArgSet *auxProto=0, Bool_t verbose=kFALSE) const
Mother of all ROOT objects.
Definition TObject.h:41