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
RooLinearVar.h
/*****************************************************************************
* Project: RooFit *
* Package: RooFitCore *
* File: $Id: RooLinearVar.h,v 1.19 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_LINEAR_VAR
#define ROO_LINEAR_VAR
#include "Riosfwd.h"
#include <math.h>
#include <float.h>
#include "TString.h"
#include "RooAbsRealLValue.h"
#include "RooRealProxy.h"
#include "RooFormula.h"
#include "RooLinTransBinning.h"
class RooArgSet ;
class RooLinearVar : public RooAbsRealLValue {
public:
// Constructors, assignment etc.
RooLinearVar(const char *name, const char *title, RooAbsRealLValue& variable, const RooAbsReal& slope, const RooAbsReal& offset, const char *unit= "") ;
RooLinearVar(const RooLinearVar& other, const char* name=0);
virtual TObject* clone(const char* newname) const { return new RooLinearVar(*this,newname); }
virtual ~RooLinearVar() ;
// Parameter value and error accessors
virtual void setVal(Double_t value) ;
// Jacobian and limits
virtual Bool_t hasBinning(const char* name) const ;
virtual const RooAbsBinning& getBinning(const char* name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) const ;
virtual RooAbsBinning& getBinning(const char* name=0, Bool_t verbose=kTRUE, Bool_t createOnTheFly=kFALSE) ;
virtual Double_t jacobian() const ;
virtual Bool_t isJacobianOK(const RooArgSet& depList) const ;
// 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 ;
// Printing interface (human readable)
using RooAbsRealLValue::operator= ;
using RooAbsRealLValue::setVal ;
protected:
virtual Double_t evaluate() const ;
mutable RooLinTransBinning _binning ;
RooLinkedList _altBinning ; //!
RooRealProxy _var ; // Input observable
RooRealProxy _slope ; // Slope of transformation
RooRealProxy _offset ; // Offset of transformation
ClassDef(RooLinearVar,1) // Lvalue linear transformation function
};
#endif
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