EpetraExt_Zoltan_CrsGraph.h

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00001 //@HEADER
00002 // ***********************************************************************
00003 // 
00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
00005 //                 Copyright (2001) 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 EPETRAEXT_ZOLTAN_CRSGRAPH_H
00030 #define EPETRAEXT_ZOLTAN_CRSGRAPH_H
00031 
00032 #include <EpetraExt_Transform.h>
00033 
00034 #include <string>
00035 
00036 class Epetra_CrsGraph;
00037 class Epetra_Map;
00038 
00039 class Zoltan_LoadBalance;
00040 
00041 namespace EpetraExt {
00042 
00044 
00046 class Zoltan_CrsGraph : public StructuralSameTypeTransform<Epetra_CrsGraph> {
00047 
00048   const std::string partitionMethod_;
00049 
00050   Epetra_Map * NewRowMap_;
00051 
00052  public:
00053 
00055   /* Destructor
00056    */
00057   ~Zoltan_CrsGraph();
00058 
00060   /* Constructor
00061    * input param part_method - type of Zoltan partitioning to use
00062    */
00063   Zoltan_CrsGraph( const std::string & part_method = std::string("PartKway") )
00064   : partitionMethod_(part_method),
00065     NewRowMap_(0)
00066   {}
00067 
00069   /* Generates the Zoltan partitioned Epetra_CrsGraph from the input object.
00070    */
00071   NewTypeRef operator()( OriginalTypeRef orig );
00072 
00073 };
00074 
00075 } //namespace EpetraExt
00076 
00077 #endif //EPETRAEXT_ZOLTAN_CRSGRAPH_H

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