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RooProduct.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: RooProduct.h,v 1.5 2007/05/11 09:11:30 verkerke Exp $
5 * Authors: *
6 * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7 * GR, Gerhard Raven, VU Amsterdan, graven@nikhef.nl *
8 * *
9 * Copyright (c) 2000-2007, 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_PRODUCT
17#define ROO_PRODUCT
18
19#include "RooAbsReal.h"
20#include "RooListProxy.h"
21#include "RooObjCacheManager.h"
22
23#include <list>
24
25class RooRealVar;
26class RooArgList;
27
28
29class RooProduct : public RooAbsReal {
30public:
31
32 RooProduct() ;
33 RooProduct(const char *name, const char *title, const RooArgList& prodSet) ;
34 RooProduct(const char *name, const char *title, RooAbsReal& real1, RooAbsReal& real2) ;
35
36 RooProduct(const RooProduct& other, const char* name = 0);
37
38 void addTerm(RooAbsArg* term);
39
40 TObject* clone(const char* newname) const override { return new RooProduct(*this, newname); }
41 bool forceAnalyticalInt(const RooAbsArg& dep) const override ;
43 const RooArgSet* normSet,
44 const char* rangeName=0) const override ;
45 double analyticalIntegral(Int_t code, const char* rangeName=0) const override;
46
47
48 RooArgList components() { RooArgList tmp(_compRSet) ; tmp.add(_compCSet) ; return tmp ; }
49
50 ~RooProduct() override ;
51
52 class ProdMap ;
53
54 void printMetaArgs(std::ostream& os) const override ;
55
56 std::list<double>* binBoundaries(RooAbsRealLValue& /*obs*/, double /*xlo*/, double /*xhi*/) const override ;
57 std::list<double>* plotSamplingHint(RooAbsRealLValue& /*obs*/, double /*xlo*/, double /*xhi*/) const override ;
58 bool isBinnedDistribution(const RooArgSet& obs) const override ;
59
60 CacheMode canNodeBeCached() const override { return RooAbsArg::NotAdvised ; } ;
61 void setCacheAndTrackHints(RooArgSet&) override ;
62
63protected:
64
65 void ioStreamerPass2() override ;
66
69
71 public:
72 ~CacheElem() override;
73 // Payload
77 };
78 mutable RooObjCacheManager _cacheMgr ; //! The cache manager
79
80
81 double calculate(const RooArgList& partIntList) const;
82 double evaluate() const override;
83 void computeBatch(cudaStream_t*, double* output, size_t nEvents, RooFit::Detail::DataMap const&) const override;
84
85 const char* makeFPName(const char *pfx,const RooArgSet& terms) const ;
86 ProdMap* groupProductTerms(const RooArgSet&) const;
87 Int_t getPartIntList(const RooArgSet* iset, const char *rangeName=0) const;
88
89 ClassDefOverride(RooProduct,3) // Product of RooAbsReal and/or RooAbsCategory terms
90};
91
92#endif
#define ClassDefOverride(name, id)
Definition: Rtypes.h:339
char name[80]
Definition: TGX11.cxx:110
RooAbsArg is the common abstract base class for objects that represent a value and a "shape" in RooFi...
Definition: RooAbsArg.h:72
@ NotAdvised
Definition: RooAbsArg.h:407
RooAbsCacheElement is the abstract base class for objects to be stored in RooAbsCache cache manager o...
virtual bool add(const RooAbsArg &var, bool silent=false)
Add the specified argument to list.
RooAbsRealLValue is the common abstract base class for objects that represent a real value that may a...
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:64
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:22
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:57
Class RooObjCacheManager is an implementation of class RooCacheManager<RooAbsCacheElement> and specia...
RooArgList containedArgs(Action) override
Return list of all RooAbsArgs in cache element.
Definition: RooProduct.cxx:483
RooArgList _prodList
Definition: RooProduct.h:74
RooArgList _ownedList
Definition: RooProduct.h:75
~CacheElem() override
Destructor.
Definition: RooProduct.cxx:475
A RooProduct represents the product of a given set of RooAbsReal objects.
Definition: RooProduct.h:29
std::list< double > * binBoundaries(RooAbsRealLValue &, double, double) const override
Forward the plot sampling hint from the p.d.f. that defines the observable obs.
Definition: RooProduct.cxx:420
RooListProxy _compRSet
Definition: RooProduct.h:67
double evaluate() const override
Evaluate product of input functions.
Definition: RooProduct.cxx:370
void addTerm(RooAbsArg *term)
Add a term to this product.
Definition: RooProduct.cxx:108
std::list< double > * plotSamplingHint(RooAbsRealLValue &, double, double) const override
Forward the plot sampling hint from the p.d.f. that defines the observable obs.
Definition: RooProduct.cxx:456
ProdMap * groupProductTerms(const RooArgSet &) const
Group observables into subsets in which the product factorizes and that can thus be integrated separa...
Definition: RooProduct.cxx:144
double calculate(const RooArgList &partIntList) const
The cache manager.
Definition: RooProduct.cxx:335
bool forceAnalyticalInt(const RooAbsArg &dep) const override
Force internal handling of integration of given observable if any of the product terms depend on it.
Definition: RooProduct.cxx:124
void setCacheAndTrackHints(RooArgSet &) override
Label OK'ed components of a RooProduct with cache-and-track.
Definition: RooProduct.cxx:495
Int_t getAnalyticalIntegralWN(RooArgSet &allVars, RooArgSet &analVars, const RooArgSet *normSet, const char *rangeName=0) const override
Declare that we handle all integrations internally.
Definition: RooProduct.cxx:295
~RooProduct() override
Destructor.
Definition: RooProduct.cxx:66
bool isBinnedDistribution(const RooArgSet &obs) const override
Tests if the distribution is binned. Unless overridden by derived classes, this always returns false.
Definition: RooProduct.cxx:436
TObject * clone(const char *newname) const override
Definition: RooProduct.h:40
CacheMode canNodeBeCached() const override
Definition: RooProduct.h:60
void ioStreamerPass2() override
Method called by workspace container to finalize schema evolution issues that cannot be handled in a ...
Definition: RooProduct.cxx:536
void printMetaArgs(std::ostream &os) const override
Customized printing of arguments of a RooProduct to more intuitively reflect the contents of the prod...
Definition: RooProduct.cxx:516
const char * makeFPName(const char *pfx, const RooArgSet &terms) const
Construct automatic name for internal product terms.
Definition: RooProduct.cxx:350
double analyticalIntegral(Int_t code, const char *rangeName=0) const override
Calculate integral internally from appropriate partial integral cache.
Definition: RooProduct.cxx:314
RooProduct()
Default constructor.
Definition: RooProduct.cxx:56
RooObjCacheManager _cacheMgr
Definition: RooProduct.h:78
Int_t getPartIntList(const RooArgSet *iset, const char *rangeName=0) const
Return list of (partial) integrals whose product defines the integral of this RooProduct over the obs...
Definition: RooProduct.cxx:222
RooListProxy _compCSet
Definition: RooProduct.h:68
void computeBatch(cudaStream_t *, double *output, size_t nEvents, RooFit::Detail::DataMap const &) const override
Base function for computing multiple values of a RooAbsReal.
Definition: RooProduct.cxx:391
RooArgList components()
Definition: RooProduct.h:48
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:40
Mother of all ROOT objects.
Definition: TObject.h:37
static void output()