IFPACK Development
Ifpack_GreedyPartitioner.h
00001 /*@HEADER
00002 // ***********************************************************************
00003 //
00004 //       Ifpack: Object-Oriented Algebraic Preconditioner Package
00005 //                 Copyright (2002) 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 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are
00012 // met:
00013 //
00014 // 1. Redistributions of source code must retain the above copyright
00015 // notice, this list of conditions and the following disclaimer.
00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
00019 // documentation and/or other materials provided with the distribution.
00020 //
00021 // 3. Neither the name of the Corporation nor the names of the
00022 // contributors may be used to endorse or promote products derived from
00023 // this software without specific prior written permission.
00024 //
00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00036 //
00037 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
00038 //
00039 // ***********************************************************************
00040 //@HEADER
00041 */
00042 
00043 #ifndef IFPACK_GREEDYPARTITIONER_H
00044 #define IFPACK_GREEDYPARTITIONER_H
00045 
00046 #include "Ifpack_ConfigDefs.h"
00047 #include "Ifpack_Partitioner.h"
00048 #include "Ifpack_OverlappingPartitioner.h"
00049 #include "Teuchos_ParameterList.hpp"
00050 class Epetra_Comm;
00051 class Ifpack_Graph;
00052 class Epetra_Map;
00053 class Epetra_BlockMap;
00054 class Epetra_Import;
00055 
00057 
00058 class Ifpack_GreedyPartitioner : public Ifpack_OverlappingPartitioner {
00059 
00060 public:
00061 
00063   Ifpack_GreedyPartitioner(const Ifpack_Graph* Graph) :
00064     Ifpack_OverlappingPartitioner(Graph),
00065     RootNode_(0)
00066   {}
00067 
00069   virtual ~Ifpack_GreedyPartitioner() {};
00070 
00072   int SetPartitionParameters(Teuchos::ParameterList& List)
00073   {
00074     RootNode_ = List.get("partitioner: root node", RootNode_);
00075 
00076     return(0);
00077   }
00078 
00080   int ComputePartitions();
00081 
00082 private:
00083 
00084   int RootNode_;
00085 
00086 }; // class Ifpack_GreedyPartitioner
00087 
00088 #endif // IFPACK_GREEDYPARTITIONER_H
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Friends