Revision 716fb731a3c8c9b583235feddac21006994d9626 authored by Kyle Cranmer on 03 August 2011, 22:09:36 UTC, committed by Kyle Cranmer on 03 August 2011, 22:09:36 UTC
git-svn-id: http://root.cern.ch/svn/root/branches/v5-30-00-patches@40446 27541ba8-7e3a-0410-8455-c3a389f83636
1 parent 0db9ccb
RooErrorVar.h
/*****************************************************************************
* Project: RooFit *
* Package: RooFitCore *
* File: $Id: RooErrorVar.h,v 1.16 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_ERROR_VAR
#define ROO_ERROR_VAR
#include "Riosfwd.h"
#include <math.h>
#include <float.h>
#include "RooNumber.h"
#include "RooAbsReal.h"
#include "RooRealVar.h"
#include "RooRealProxy.h"
class RooErrorVar : public RooAbsRealLValue {
public:
// Constructors, assignment etc.
inline RooErrorVar() {
// Default constructor
}
RooErrorVar(const char *name, const char *title, const RooRealVar& input) ;
RooErrorVar(const RooErrorVar& other, const char* name=0);
virtual TObject* clone(const char* newname) const { return new RooErrorVar(*this,newname); }
virtual ~RooErrorVar() ;
virtual Double_t getVal(const RooArgSet* set=0) const ;
virtual Double_t evaluate() const {
// return error of input RooRealVar
return ((RooRealVar&)_realVar.arg()).getError() ;
}
virtual void setVal(Double_t value) {
// Set error of input RooRealVar to value
((RooRealVar&)_realVar.arg()).setVal(value) ;
}
inline virtual Bool_t isFundamental() const {
// Return kTRUE as we implement a fundamental type of AbsArg that can be stored in a dataset
return kTRUE ;
}
// I/O streaming interface (machine readable)
virtual Bool_t readFromStream(istream& is, Bool_t compact, Bool_t verbose=kFALSE) ;
virtual void writeToStream(ostream& os, Bool_t compact) const ;
// Set/get finite fit range limits
inline void setMin(Double_t value) {
// Set lower bound of default range to value
setMin(0,value) ;
}
inline void setMax(Double_t value) {
// Set upper bound of default range to value
setMax(0,value) ;
}
inline void setRange(Double_t min, Double_t max) {
// Set default ranges to [min,max]
setRange(0,min,max) ;
}
void setMin(const char* name, Double_t value) ;
void setMax(const char* name, Double_t value) ;
void setRange(const char* name, Double_t min, Double_t max) ;
void setBins(Int_t nBins) {
// Set default binning to nBins uniform bins
setBinning(RooUniformBinning(getMin(),getMax(),nBins)) ;
}
void setBinning(const RooAbsBinning& binning, const char* name=0) ;
const RooAbsBinning& getBinning(const char* name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) const ;
RooAbsBinning& getBinning(const char* name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) ;
Bool_t hasBinning(const char* name) const ;
// Set infinite fit range limits
inline void removeMin(const char* name=0) {
// Remove lower bound from named binning, or default binning if name is null
getBinning(name).setMin(-RooNumber::infinity()) ;
}
inline void removeMax(const char* name=0) {
// Remove upper bound from named binning, or default binning if name is null
getBinning(name).setMax(RooNumber::infinity()) ;
}
inline void removeRange(const char* name=0) {
// Remove both upper and lower bounds from named binning, or
// default binning if name is null
getBinning(name).setRange(-RooNumber::infinity(),RooNumber::infinity()) ;
}
using RooAbsRealLValue::operator= ;
using RooAbsRealLValue::setVal ;
protected:
RooLinkedList _altBinning ; //! Optional alternative ranges and binnings
void syncCache(const RooArgSet* set=0) ;
RooRealProxy _realVar ; // RealVar with the original error
RooAbsBinning* _binning ; //! Pointer to default binning definition
ClassDef(RooErrorVar,1) // RooAbsRealLValue representation of an error of a RooRealVar
};
#endif
![swh spinner](/static/img/swh-spinner.gif)
Computing file changes ...