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PiecewiseInterpolation.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id: PiecewiseInterpolation.h,v 1.3 2007/05/11 09:11:30 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_PIECEWISEINTERPOLATION
17#define ROO_PIECEWISEINTERPOLATION
18
19#include "RooAbsReal.h"
20#include "RooRealProxy.h"
21#include "RooListProxy.h"
22
23#include "RooObjCacheManager.h"
24
25class RooRealVar;
26class RooArgList ;
27
29public:
30
32 PiecewiseInterpolation(const char *name, const char *title, const RooAbsReal& nominal, const RooArgList& lowSet, const RooArgList& highSet, const RooArgList& paramSet, Bool_t takeOwnerShip=kFALSE) ;
33 virtual ~PiecewiseInterpolation() ;
34
35 PiecewiseInterpolation(const PiecewiseInterpolation& other, const char* name = 0);
36 virtual TObject* clone(const char* newname) const { return new PiecewiseInterpolation(*this, newname); }
37
38 // virtual Double_t defaultErrorLevel() const ;
39
40 // void printMetaArgs(std::ostream& os) const ;
41
42 const RooArgList& lowList() const { return _lowSet ; }
43 const RooArgList& highList() const { return _highSet ; }
44 const RooArgList& paramList() const { return _paramSet ; }
45
46 //virtual Bool_t forceAnalyticalInt(const RooAbsArg&) const { return kTRUE ; }
48
49 Int_t getAnalyticalIntegralWN(RooArgSet& allVars, RooArgSet& analVars, const RooArgSet* normSet,const char* rangeName=0) const ;
50 Double_t analyticalIntegralWN(Int_t code, const RooArgSet* normSet, const char* rangeName=0) const ;
51
52 void setPositiveDefinite(bool flag=true){_positiveDefinite=flag;}
53
54 void setInterpCode(RooAbsReal& param, int code);
55 void setAllInterpCodes(int code);
57
58 virtual std::list<Double_t>* binBoundaries(RooAbsRealLValue& /*obs*/, Double_t /*xlo*/, Double_t /*xhi*/) const ;
59 virtual std::list<Double_t>* plotSamplingHint(RooAbsRealLValue& obs, Double_t xlo, Double_t xhi) const ;
60 virtual Bool_t isBinnedDistribution(const RooArgSet& obs) const ;
61
62protected:
63
65 public:
66 CacheElem() {} ;
67 virtual ~CacheElem() {} ;
70 ret.add(_lowIntList);
71 ret.add(_highIntList);
72 return ret ;
73 }
77 // will want std::vector<RooRealVar*> for low and high also
78 } ;
79 mutable RooObjCacheManager _normIntMgr ; // The integration cache manager
80
81 RooRealProxy _nominal; // The nominal value
82 RooArgList _ownedList ; // List of owned components
83 RooListProxy _lowSet ; // Low-side variation
84 RooListProxy _highSet ; // High-side varaition
85 RooListProxy _paramSet ; // interpolation parameters
86 RooListProxy _normSet ; // interpolation parameters
87 Bool_t _positiveDefinite; // protect against negative and 0 bins.
88
89 std::vector<int> _interpCode;
90
91 Double_t evaluate() const;
92
93 ClassDef(PiecewiseInterpolation,3) // Sum of RooAbsReal objects
94};
95
96#endif
const Bool_t kFALSE
Definition: RtypesCore.h:90
double Double_t
Definition: RtypesCore.h:57
#define ClassDef(name, id)
Definition: Rtypes.h:322
char name[80]
Definition: TGX11.cxx:109
virtual RooArgList containedArgs(Action)
const RooArgList & highList() const
virtual std::list< Double_t > * binBoundaries(RooAbsRealLValue &, Double_t, Double_t) const
WVE note: assumes nominal and alternates have identical structure, must add explicit check.
std::vector< int > _interpCode
Double_t analyticalIntegralWN(Int_t code, const RooArgSet *normSet, const char *rangeName=0) const
Implement analytical integrations by doing appropriate weighting from component integrals functions t...
const RooArgList & lowList() const
Bool_t setBinIntegrator(RooArgSet &allVars)
void setPositiveDefinite(bool flag=true)
RooObjCacheManager _normIntMgr
Int_t getAnalyticalIntegralWN(RooArgSet &allVars, RooArgSet &analVars, const RooArgSet *normSet, const char *rangeName=0) const
Advertise that all integrals can be handled internally.
const RooArgList & paramList() const
Double_t evaluate() const
Calculate and return current value of self.
virtual std::list< Double_t > * plotSamplingHint(RooAbsRealLValue &obs, Double_t xlo, Double_t xhi) const
virtual TObject * clone(const char *newname) const
void setInterpCode(RooAbsReal &param, int code)
virtual ~PiecewiseInterpolation()
Destructor.
virtual Bool_t isBinnedDistribution(const RooArgSet &obs) const
WVE note: assumes nominal and alternates have identical structure, must add explicit check.
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...
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:35
Mother of all ROOT objects.
Definition: TObject.h:37