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RooSegmentedIntegrator2D.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * File: $Id: RooSegmentedIntegrator2D.h,v 1.7 2007/05/11 09:11:30 verkerke Exp $
5  * Authors: *
6  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * *
9  * Copyright (c) 2000-2005, Regents of the University of California *
10  * and Stanford University. All rights reserved. *
11  * *
12  * Redistribution and use in source and binary forms, *
13  * with or without modification, are permitted according to the terms *
14  * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15  *****************************************************************************/
16 #ifndef ROO_SEGMENTED_INTEGRATOR_2D
17 #define ROO_SEGMENTED_INTEGRATOR_2D
18 
20 #include "RooIntegrator1D.h"
21 #include "RooNumIntConfig.h"
22 
24 public:
25 
26  // Constructors, assignment etc
28 
29  RooSegmentedIntegrator2D(const RooAbsFunc& function, const RooNumIntConfig& config) ;
31  const RooNumIntConfig& config) ;
32  virtual RooAbsIntegrator* clone(const RooAbsFunc& function, const RooNumIntConfig& config) const ;
33  virtual ~RooSegmentedIntegrator2D() ;
34 
35  virtual Bool_t checkLimits() const;
36 
37  virtual Bool_t canIntegrate1D() const { return kFALSE ; }
38  virtual Bool_t canIntegrate2D() const { return kTRUE ; }
39  virtual Bool_t canIntegrateND() const { return kFALSE ; }
40  virtual Bool_t canIntegrateOpenEnded() const { return kFALSE ; }
41 
42 protected:
43 
44  friend class RooNumIntFactory ;
45  static void registerIntegrator(RooNumIntFactory& fact) ;
46 
49 
50  ClassDef(RooSegmentedIntegrator2D,0) // 2-dimensional piece-wise numerical integration engine
51 };
52 
53 #endif
RooAbsIntegrator is the abstract interface for integrators of real-valued functions that implement th...
float xmin
Definition: THbookFile.cxx:93
virtual ~RooSegmentedIntegrator2D()
Destructor.
RooSegmentedIntegrator2D()
Default constructor.
RooNumIntConfig holds the configuration parameters of the various numeric integrators used by RooReal...
float ymin
Definition: THbookFile.cxx:93
RooNumIntFactory is a factory to instantiate numeric integrators from a given function binding and a ...
virtual Bool_t canIntegrateND() const
#define ClassDef(name, id)
Definition: Rtypes.h:322
virtual Bool_t canIntegrate1D() const
RooSegmentedIntegrator1D implements an adaptive one-dimensional numerical integration algorithm...
virtual RooAbsIntegrator * clone(const RooAbsFunc &function, const RooNumIntConfig &config) const
Virtual constructor with given function and configuration. Needed by RooNumIntFactory.
float ymax
Definition: THbookFile.cxx:93
float xmax
Definition: THbookFile.cxx:93
const Bool_t kFALSE
Definition: RtypesCore.h:90
double Double_t
Definition: RtypesCore.h:57
static void registerIntegrator(RooNumIntFactory &fact)
Register RooSegmentedIntegrator2D, its parameters, dependencies and capabilities with RooNumIntFactor...
virtual Bool_t checkLimits() const
Check that our integration range is finite and otherwise return kFALSE.
virtual Bool_t canIntegrateOpenEnded() const
RooSegmentedIntegrator1D * _xIntegrator
virtual Bool_t canIntegrate2D() const
const Bool_t kTRUE
Definition: RtypesCore.h:89
Abstract interface for evaluating a real-valued function of one real variable and performing numerica...
Definition: RooAbsFunc.h:23
RooSegmentedIntegrator2D implements an adaptive one-dimensional numerical integration algorithm...