Logo ROOT  
Reference Guide
Go to the documentation of this file.
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
19#include "RooAbsReal.h"
20#include "RooListProxy.h"
21#include "RooCacheManager.h"
22#include "RooObjCacheManager.h"
24#include <utility>
26class RooRealVar;
27class RooArgList;
30class RooProduct : public RooAbsReal {
33 RooProduct() ;
34 RooProduct(const char *name, const char *title, const RooArgList& _prodSet) ;
36 RooProduct(const RooProduct& other, const char* name = 0);
37 virtual TObject* clone(const char* newname) const { return new RooProduct(*this, newname); }
38 virtual Bool_t forceAnalyticalInt(const RooAbsArg& dep) const ;
39 virtual Int_t getAnalyticalIntegralWN(RooArgSet& allVars, RooArgSet& analVars,
40 const RooArgSet* normSet,
41 const char* rangeName=0) const ;
42 virtual Double_t analyticalIntegral(Int_t code, const char* rangeName=0) const;
45 RooArgList components() { RooArgList tmp(_compRSet) ; tmp.add(_compCSet) ; return tmp ; }
47 virtual ~RooProduct() ;
49 class ProdMap ;
51 void printMetaArgs(std::ostream& os) const ;
53 virtual std::list<Double_t>* binBoundaries(RooAbsRealLValue& /*obs*/, Double_t /*xlo*/, Double_t /*xhi*/) const ;
54 virtual std::list<Double_t>* plotSamplingHint(RooAbsRealLValue& /*obs*/, Double_t /*xlo*/, Double_t /*xhi*/) const ;
55 virtual Bool_t isBinnedDistribution(const RooArgSet& obs) const ;
57 virtual CacheMode canNodeBeCached() const { return RooAbsArg::NotAdvised ; } ;
58 virtual void setCacheAndTrackHints(RooArgSet&) ;
66 public:
67 virtual ~CacheElem();
68 // Payload
72 };
73 mutable RooObjCacheManager _cacheMgr ; // The cache manager
76 Double_t calculate(const RooArgList& partIntList) const;
77 Double_t evaluate() const;
78 const char* makeFPName(const char *pfx,const RooArgSet& terms) const ;
79 ProdMap* groupProductTerms(const RooArgSet&) const;
80 Int_t getPartIntList(const RooArgSet* iset, const char *rangeName=0) const;
85 ClassDef(RooProduct,2) // Product of RooAbsReal and/or RooAbsCategory terms
int Int_t
Definition: RtypesCore.h:43
bool Bool_t
Definition: RtypesCore.h:61
double Double_t
Definition: RtypesCore.h:57
#define ClassDef(name, id)
Definition: Rtypes.h:322
char name[80]
Definition: TGX11.cxx:109
RooAbsArg is the common abstract base class for objects that represent a value (of arbitrary type) an...
Definition: RooAbsArg.h:73
@ NotAdvised
Definition: RooAbsArg.h:391
RooAbsCacheElement is the abstract base class for objects to be stored in RooAbsCache cache manager o...
virtual Bool_t add(const RooAbsArg &var, Bool_t silent=kFALSE)
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:60
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
RooListProxy is the concrete proxy for RooArgList objects.
Definition: RooListProxy.h:25
Class RooObjCacheManager is an implementation of class RooCacheManager<RooAbsCacheElement> and specia...
virtual ~CacheElem()
Definition: RooProduct.cxx:442
RooArgList _prodList
Definition: RooProduct.h:69
RooArgList _ownedList
Definition: RooProduct.h:70
virtual RooArgList containedArgs(Action)
Return list of all RooAbsArgs in cache element.
Definition: RooProduct.cxx:450
A RooProduct represents the product of a given set of RooAbsReal objects.
Definition: RooProduct.h:30
virtual CacheMode canNodeBeCached() const
Definition: RooProduct.h:57
void printMetaArgs(std::ostream &os) const
Customized printing of arguments of a RooProduct to more intuitively reflect the contents of the prod...
Definition: RooProduct.cxx:483
virtual std::list< Double_t > * plotSamplingHint(RooAbsRealLValue &, Double_t, Double_t) const
Forward the plot sampling hint from the p.d.f. that defines the observable obs
Definition: RooProduct.cxx:423
RooListProxy _compRSet
Definition: RooProduct.h:62
virtual TObject * clone(const char *newname) const
Definition: RooProduct.h:37
virtual ~RooProduct()
Definition: RooProduct.cxx:67
ProdMap * groupProductTerms(const RooArgSet &) const
Group observables into subsets in which the product factorizes and that can thus be integrated separa...
Definition: RooProduct.cxx:137
Double_t calculate(const RooArgList &partIntList) const
Calculate and return product of partial terms in partIntList.
Definition: RooProduct.cxx:326
Double_t evaluate() const
Evaluate product of input functions.
Definition: RooProduct.cxx:362
virtual Int_t getAnalyticalIntegralWN(RooArgSet &allVars, RooArgSet &analVars, const RooArgSet *normSet, const char *rangeName=0) const
Declare that we handle all integrations internally.
Definition: RooProduct.cxx:286
virtual std::list< Double_t > * binBoundaries(RooAbsRealLValue &, Double_t, Double_t) const
Forward the plot sampling hint from the p.d.f. that defines the observable obs
Definition: RooProduct.cxx:387
const char * makeFPName(const char *pfx, const RooArgSet &terms) const
Construct automatic name for internal product terms.
Definition: RooProduct.cxx:342
virtual Bool_t forceAnalyticalInt(const RooAbsArg &dep) const
Force internal handling of integration of given observable if any of the product terms depend on it.
Definition: RooProduct.cxx:117
virtual Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Calculate integral internally from appropriate partial integral cache.
Definition: RooProduct.cxx:305
Default constructor.
Definition: RooProduct.cxx:57
RooObjCacheManager _cacheMgr
Definition: RooProduct.h:73
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:213
virtual void setCacheAndTrackHints(RooArgSet &)
Label OK'ed components of a RooProduct with cache-and-track.
Definition: RooProduct.cxx:462
RooListProxy _compCSet
Definition: RooProduct.h:63
virtual Bool_t isBinnedDistribution(const RooArgSet &obs) const
Definition: RooProduct.cxx:403
RooArgList components()
Definition: RooProduct.h:45
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:35
Mother of all ROOT objects.
Definition: TObject.h:37