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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
19 #include "RooAbsReal.h"
20 #include "RooListProxy.h"
21 #include "RooCacheManager.h"
22 #include "RooObjCacheManager.h"
24 #include <utility>
26 class RooRealVar;
27 class RooArgList;
30 class RooProduct : public RooAbsReal {
31 public:
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&) ;
60 protected:
65  class CacheElem : public RooAbsCacheElement {
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
86 };
88 #endif
RooListProxy _compRSet
Definition: RooProduct.h:62
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:421
virtual ~CacheElem()
Definition: RooProduct.cxx:440
virtual Bool_t add(const RooAbsArg &var, Bool_t silent=kFALSE)
Add the specified argument to list.
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:385
RooArgSet is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgSet.h:28
const char * makeFPName(const char *pfx, const RooArgSet &terms) const
Construct automatic name for internal product terms.
Definition: RooProduct.cxx:340
virtual RooArgList containedArgs(Action)
Return list of all RooAbsArgs in cache element.
Definition: RooProduct.cxx:448
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
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:211
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
#define ClassDef(name, id)
Definition: Rtypes.h:322
Double_t evaluate() const
Evaluate product of input functions.
Definition: RooProduct.cxx:360
RooListProxy _compCSet
Definition: RooProduct.h:63
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:35
virtual TObject * clone(const char *newname) const
Definition: RooProduct.h:37
virtual Bool_t isBinnedDistribution(const RooArgSet &obs) const
Definition: RooProduct.cxx:401
RooAbsCacheElement is the abstract base class for objects to be stored in RooAbsCache cache manager o...
Default constructor.
Definition: RooProduct.cxx:57
virtual CacheMode canNodeBeCached() const
Definition: RooProduct.h:57
virtual ~RooProduct()
Definition: RooProduct.cxx:67
A RooProduct represents the product of a given set of RooAbsReal objects.
Definition: RooProduct.h:30
RooListProxy is the concrete proxy for RooArgList objects.
Definition: RooListProxy.h:25
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:60
Class RooObjCacheManager is an implementation of class RooCacheManager<RooAbsCacheElement> and specia...
Mother of all ROOT objects.
Definition: TObject.h:37
Double_t calculate(const RooArgList &partIntList) const
Calculate and return product of partial terms in partIntList.
Definition: RooProduct.cxx:324
RooAbsRealLValue is the common abstract base class for objects that represent a real value that may a...
RooArgList _prodList
Definition: RooProduct.h:69
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:481
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:284
RooObjCacheManager _cacheMgr
Definition: RooProduct.h:73
RooArgList _ownedList
Definition: RooProduct.h:70
virtual Double_t analyticalIntegral(Int_t code, const char *rangeName=0) const
Calculate integral internally from appropriate partial integral cache.
Definition: RooProduct.cxx:303
RooArgList is a container object that can hold multiple RooAbsArg objects.
Definition: RooArgList.h:21
RooAbsArg is the common abstract base class for objects that represent a value (of arbitrary type) an...
Definition: RooAbsArg.h:73
RooArgList components()
Definition: RooProduct.h:45
virtual void setCacheAndTrackHints(RooArgSet &)
Label OK&#39;ed components of a RooProduct with cache-and-track.
Definition: RooProduct.cxx:460
char name[80]
Definition: TGX11.cxx:109