ROOT_528-00b_version: include/RooRealBinding.h Source File

00001 /*****************************************************************************
00002  * Project: RooFit                                                           *
00003  * Package: RooFitCore                                                       *
00004  *    File: $Id: RooRealBinding.h,v 1.9 2007/05/11 09:11:30 verkerke Exp $
00005  * Authors:                                                                  *
00006  *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
00007  *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
00008  *                                                                           *
00009  * Copyright (c) 2000-2005, Regents of the University of California          *
00010  *                          and Stanford University. All rights reserved.    *
00011  *                                                                           *
00012  * Redistribution and use in source and binary forms,                        *
00013  * with or without modification, are permitted according to the terms        *
00014  * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
00015  *****************************************************************************/
00016 #ifndef ROO_REAL_BINDING
00017 #define ROO_REAL_BINDING
00018 
00019 #include "RooAbsFunc.h"
00020 
00021 class RooAbsRealLValue;
00022 class RooAbsReal;
00023 class RooArgSet;
00024 
00025 class RooRealBinding : public RooAbsFunc {
00026 public:
00027   RooRealBinding(const RooAbsReal& func, const RooArgSet &vars, const RooArgSet* nset=0, Bool_t clipInvalid=kFALSE, const TNamed* rangeName=0);
00028   RooRealBinding(const RooRealBinding& other, const RooArgSet* nset=0) ;
00029   virtual ~RooRealBinding();
00030 
00031   virtual Double_t operator()(const Double_t xvector[]) const;
00032   virtual Double_t getMinLimit(UInt_t dimension) const;
00033   virtual Double_t getMaxLimit(UInt_t dimension) const;
00034 
00035   virtual void saveXVec() const ;
00036   virtual void restoreXVec() const ;
00037 
00038   virtual const char* getName() const ; 
00039 
00040   virtual std::list<Double_t>* plotSamplingHint(RooAbsRealLValue& /*obs*/, Double_t /*xlo*/, Double_t /*xhi*/) const ;
00041 
00042 protected:
00043 
00044   void loadValues(const Double_t xvector[]) const;
00045   const RooAbsReal *_func;
00046   RooAbsRealLValue **_vars;
00047   const RooArgSet *_nset;
00048   mutable Bool_t _xvecValid;
00049   Bool_t _clipInvalid ;
00050   mutable Double_t* _xsave ;
00051   const TNamed* _rangeName ; //!
00052 
00053   ClassDef(RooRealBinding,0) // Function binding to RooAbsReal object
00054 };
00055 
00056 #endif
00057