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RooChangeTracker.h
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1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * File: $Id$
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_CHANGE_TRACKER
17#define ROO_CHANGE_TRACKER
18
19#include "RooAbsReal.h"
20#include "RooListProxy.h"
21#include <vector>
22
23class RooRealVar;
24class RooArgList ;
25
27public:
28
30 RooChangeTracker(const char *name, const char *title, const RooArgSet& trackSet, Bool_t checkValues=kFALSE) ;
31 virtual ~RooChangeTracker() ;
32
33 RooChangeTracker(const RooChangeTracker& other, const char* name = 0);
34 virtual TObject* clone(const char* newname) const { return new RooChangeTracker(*this, newname); }
35
36 Bool_t hasChanged(Bool_t clearState) ;
37
38 RooArgSet parameters() const ;
39
40
41protected:
42
43 RooListProxy _realSet ; // List of reals to track
44 RooListProxy _catSet ; // List of categories to check
45 std::vector<Double_t> _realRef ; // Reference values for reals
46 std::vector<Int_t> _catRef ; // Reference valyes for categories
47 Bool_t _checkVal ; // Check contents as well if true
48
50
51 Double_t evaluate() const { return 1 ; }
52
53 ClassDef(RooChangeTracker,1) // Meta object that tracks changes in set of other arguments
54};
55
56#endif
const Bool_t kFALSE
Definition: RtypesCore.h:101
bool Bool_t
Definition: RtypesCore.h:63
double Double_t
Definition: RtypesCore.h:59
#define ClassDef(name, id)
Definition: Rtypes.h:325
char name[80]
Definition: TGX11.cxx:110
RooAbsReal is the common abstract base class for objects that represent a real value and implements f...
Definition: RooAbsReal.h:61
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:35
RooChangeTracker is a meta object that tracks value changes in a given set of RooAbsArgs by registeri...
RooListProxy _catSet
Double_t evaluate() const
Evaluate this PDF / function / constant. Needs to be overridden by all derived classes.
std::vector< Double_t > _realRef
RooChangeTracker()
Default constructor.
Bool_t hasChanged(Bool_t clearState)
Returns true if state has changed since last call with clearState=kTRUE.
std::vector< Int_t > _catRef
virtual ~RooChangeTracker()
Destructor.
RooArgSet parameters() const
RooListProxy _realSet
virtual TObject * clone(const char *newname) const
RooListProxy is the concrete proxy for RooArgList objects.
Definition: RooListProxy.h:24
RooRealVar represents a variable that can be changed from the outside.
Definition: RooRealVar.h:39
Mother of all ROOT objects.
Definition: TObject.h:37