/***************************************************************************** * Project: RooFit * * Package: RooFitCore * * File: $Id: RooAbsCategoryLValue.h,v 1.22 2007/05/11 09:11:30 verkerke Exp $ * Authors: * * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu * * DK, David Kirkby, UC Irvine, dkirkby@uci.edu * * * * Copyright (c) 2000-2005, Regents of the University of California * * and Stanford University. All rights reserved. * * * * Redistribution and use in source and binary forms, * * with or without modification, are permitted according to the terms * * listed in LICENSE (http://roofit.sourceforge.net/license.txt) * *****************************************************************************/ #ifndef ROO_ABS_CATEGORY_LVALUE #define ROO_ABS_CATEGORY_LVALUE #include "Riosfwd.h" #include "RooAbsCategory.h" #include "RooAbsLValue.h" class RooAbsCategoryLValue : public RooAbsCategory, public RooAbsLValue { public: // Constructor, assignment etc. RooAbsCategoryLValue() { // Default constructor } ; RooAbsCategoryLValue(const char *name, const char *title); RooAbsCategoryLValue(const RooAbsCategoryLValue& other, const char* name=0) ; virtual ~RooAbsCategoryLValue(); // Value modifiers virtual Bool_t setIndex(Int_t index, Bool_t printError=kTRUE) = 0 ; virtual Bool_t setLabel(const char* label, Bool_t printError=kTRUE) = 0 ; RooAbsArg& operator=(int index) ; RooAbsArg& operator=(const char* label) ; RooAbsArg& operator=(const RooAbsCategory& other) ; // Binned fit interface virtual void setBin(Int_t ibin, const char* rangeName=0) ; virtual Int_t getBin(const char* rangeName=0) const ; virtual Int_t numBins(const char* rangeName) const ; virtual Double_t getBinWidth(Int_t /*i*/, const char* /*rangeName*/=0) const { // Return volume of i-th bin (according to binning named rangeName if rangeName!=0) return 1.0 ; } virtual Double_t volume(const char* rangeName) const { // Return span of range with given name (=number of states included in this range) return numTypes(rangeName) ; } virtual void randomize(const char* rangeName=0); virtual const RooAbsBinning* getBinningPtr(const char* /*rangeName*/) const { return 0 ; } virtual std::list getBinningNames() const { return std::list(1, "") ; } virtual Int_t getBin(const RooAbsBinning* /*ptr*/) const { return getBin((const char*)0) ; } inline void setConstant(Bool_t value= kTRUE) { // Declare category constant setAttribute("Constant",value); } inline virtual Bool_t isLValue() const { // Object is an l-value return kTRUE; } // I/O streaming interface (machine readable) virtual Bool_t readFromStream(std::istream& is, Bool_t compact, Bool_t verbose=kFALSE) ; virtual void writeToStream(std::ostream& os, Bool_t compact) const ; protected: friend class RooSimGenContext ; friend class RooSimSplitGenContext ; virtual void setIndexFast(Int_t index) { _value._value = index ; _value._label[0]=0 ; } Bool_t setOrdinal(UInt_t index, const char* rangeName); void copyCache(const RooAbsArg* source, Bool_t valueOnly=kFALSE, Bool_t setValDirty=kTRUE) ; ClassDef(RooAbsCategoryLValue,1) // Abstract modifiable index variable }; #endif