Tpetra_DirectoryDecl.hpp

00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //          Tpetra: Templated Linear Algebra Services Package
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef TPETRA_DIRECTORY_DECL_HPP
00030 #define TPETRA_DIRECTORY_DECL_HPP
00031 
00032 #include <Teuchos_RCP.hpp>
00033 #include <Teuchos_Object.hpp>
00034 #include "Tpetra_MapDecl.hpp"
00035 
00036 namespace Tpetra {
00037 
00039   
00048   template<typename Ordinal>
00049   class Directory : public Teuchos::Object {
00050   public:
00051     
00053 
00054     
00056     Directory(const Map<Ordinal> & map);
00057     
00058  private:
00060     Directory(const Directory<Ordinal> & Directory);
00061  public:
00063     ~Directory();
00064     
00066     
00068 
00069     
00071 
00080     bool getDirectoryEntries(const Teuchos::ArrayView<const Ordinal> &globalEntries, 
00081                              const Teuchos::ArrayView<Ordinal> &images) const;
00082     
00084 
00097     bool getDirectoryEntries(const Teuchos::ArrayView<const Ordinal> &globalEntries, 
00098                              const Teuchos::ArrayView<Ordinal> &images, 
00099                              const Teuchos::ArrayView<Ordinal> &localEntries) const;
00101     
00102   private:
00103     const Map<Ordinal> map_;
00104     Teuchos::RCP<const Teuchos::Comm<Ordinal> > comm_;
00105     std::vector<Ordinal> allMinGIDs_;
00106     std::vector<Ordinal> imageIDs_;
00107     std::vector<Ordinal> LIDs_;
00108     Teuchos::RCP< Map<Ordinal> > directoryMap_;
00109     
00111     Directory<Ordinal>& operator = (const Directory<Ordinal> & Source);
00112 
00113     // common code for both versions of getDirectoryEntries
00114     bool getEntries(const Teuchos::ArrayView<const Ordinal> &globalEntries, 
00115                     const Teuchos::ArrayView<Ordinal> &images, 
00116                     const Teuchos::ArrayView<Ordinal> &localEntries, 
00117                           bool computeLIDs) const;
00118     
00119     // directory setup for non-contiguous ES
00120     void generateDirectory();
00121     
00122   }; // class Directory
00123   
00124 } // namespace Tpetra
00125 
00126 #endif // TPETRA_DIRECTORY_DECL_HPP
00127 

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