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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 // Constructors, assignment etc
24 RooTruthModel() = default;
25 RooTruthModel(const char *name, const char *title, RooAbsRealLValue& x) ;
26 RooTruthModel(const RooTruthModel& other, const char* name=nullptr) : RooResolutionModel{other, name} {}
27 TObject* clone(const char* newname) const override { return new RooTruthModel(*this,newname) ; }
28
29 Int_t basisCode(const char* name) const override ;
30
32 const RooDataSet *prototype=nullptr, const RooArgSet* auxProto=nullptr,
33 bool verbose= false) const override;
34
35 Int_t getGenerator(const RooArgSet& directVars, RooArgSet &generateVars, bool staticInitOK=true) const override;
36 void generateEvent(Int_t code) override;
37
38 Int_t getAnalyticalIntegral(RooArgSet& allVars, RooArgSet& analVars, const char* rangeName=nullptr) const override ;
39 double analyticalIntegral(Int_t code, const char* rangeName=nullptr) const override ;
40
41 void doEval(RooFit::EvalContext &) const override;
42 inline bool canComputeBatchWithCuda() const override { return true; }
43
44protected:
45 double evaluate() const override ;
46 void changeBasis(RooFormulaVar* basis) override ;
47
48 ClassDefOverride(RooTruthModel,1) // Truth resolution model (delta function)
49};
50
51#endif
#define ClassDefOverride(name, id)
Definition Rtypes.h:346
char name[80]
Definition TGX11.cxx:110
Base class for PDFs that represent a physics model that can be analytically convolved with a resoluti...
Abstract base class for generator contexts of RooAbsPdf objects.
Abstract base class for objects that represent a real value that may appear on the left hand side of ...
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition RooArgSet.h:24
Container class to hold unbinned data.
Definition RooDataSet.h:33
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
Dependent/convolution variable.
Implements a RooResolution model that corresponds to a delta function.
void doEval(RooFit::EvalContext &) const override
Base function for computing multiple values of a RooAbsReal.
void generateEvent(Int_t code) override
Implement internal generator for observable x, x=0 for all events following definition of delta funct...
TObject * clone(const char *newname) const override
double evaluate() const override
Evaluate the truth model: a delta function when used as PDF, the basis function itself,...
Int_t getAnalyticalIntegral(RooArgSet &allVars, RooArgSet &analVars, const char *rangeName=nullptr) const override
Advertise analytical integrals for compiled basis functions and when used as p.d.f without basis func...
Int_t getGenerator(const RooArgSet &directVars, RooArgSet &generateVars, bool staticInitOK=true) const override
Advertise internal generator for observable x.
RooTruthModel(const RooTruthModel &other, const char *name=nullptr)
bool canComputeBatchWithCuda() const override
RooAbsGenContext * modelGenContext(const RooAbsAnaConvPdf &convPdf, const RooArgSet &vars, const RooDataSet *prototype=nullptr, const RooArgSet *auxProto=nullptr, bool verbose=false) const override
double analyticalIntegral(Int_t code, const char *rangeName=nullptr) const override
Implement analytical integrals when used as p.d.f and for compiled basis functions.
Int_t basisCode(const char *name) const override
Return basis code for given basis definition string.
RooTruthModel()=default
void changeBasis(RooFormulaVar *basis) override
Changes associated bases function to 'inBasis'.
Mother of all ROOT objects.
Definition TObject.h:41