00001 /***************************************************************************** 00002 * Project: RooFit * 00003 * Package: RooFitCore * 00004 * File: $Id: RooSegmentedIntegrator2D.h,v 1.7 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_SEGMENTED_INTEGRATOR_2D 00017 #define ROO_SEGMENTED_INTEGRATOR_2D 00018 00019 #include "RooSegmentedIntegrator1D.h" 00020 #include "RooIntegrator1D.h" 00021 #include "RooNumIntConfig.h" 00022 00023 class RooSegmentedIntegrator2D : public RooSegmentedIntegrator1D { 00024 public: 00025 00026 // Constructors, assignment etc 00027 RooSegmentedIntegrator2D() ; 00028 00029 RooSegmentedIntegrator2D(const RooAbsFunc& function, const RooNumIntConfig& config) ; 00030 RooSegmentedIntegrator2D(const RooAbsFunc& function, Double_t xmin, Double_t xmax, Double_t ymin, Double_t ymax, 00031 const RooNumIntConfig& config) ; 00032 virtual RooAbsIntegrator* clone(const RooAbsFunc& function, const RooNumIntConfig& config) const ; 00033 virtual ~RooSegmentedIntegrator2D() ; 00034 00035 virtual Bool_t checkLimits() const; 00036 00037 virtual Bool_t canIntegrate1D() const { return kFALSE ; } 00038 virtual Bool_t canIntegrate2D() const { return kTRUE ; } 00039 virtual Bool_t canIntegrateND() const { return kFALSE ; } 00040 virtual Bool_t canIntegrateOpenEnded() const { return kFALSE ; } 00041 00042 protected: 00043 00044 friend class RooNumIntFactory ; 00045 static void registerIntegrator(RooNumIntFactory& fact) ; 00046 00047 RooSegmentedIntegrator1D* _xIntegrator ; 00048 RooAbsFunc* _xint ; 00049 00050 ClassDef(RooSegmentedIntegrator2D,0) // 2-dimensional piece-wise numerical integration engine 00051 }; 00052 00053 #endif
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