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Ifpack_METISPartitioner.h
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/*@HEADER
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// ***********************************************************************
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//
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// Ifpack: Object-Oriented Algebraic Preconditioner Package
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// Copyright (2002) Sandia Corporation
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//
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// license for use of this work by or on behalf of the U.S. Government.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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//
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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// ***********************************************************************
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//@HEADER
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*/
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#ifndef IFPACK_METISPARTITIONER_H
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#define IFPACK_METISPARTITIONER_H
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#include "
Ifpack_ConfigDefs.h
"
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#include "
Ifpack_Partitioner.h
"
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#include "
Ifpack_OverlappingPartitioner.h
"
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#include "Teuchos_ParameterList.hpp"
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class
Ifpack_Graph
;
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class
Epetra_Map
;
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class
Epetra_BlockMap
;
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class
Epetra_Import
;
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class
Ifpack_METISPartitioner
:
public
Ifpack_OverlappingPartitioner
{
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public
:
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Ifpack_METISPartitioner
(
const
Ifpack_Graph
*
Graph
) :
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Ifpack_OverlappingPartitioner
(
Graph
),
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UseSymmetricGraph_
(
true
)
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{}
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virtual
~Ifpack_METISPartitioner
() {};
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int
SetPartitionParameters
(Teuchos::ParameterList& List)
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{
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// `true' is the safest option, as singletons may still be
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// in the system, even after Ifpack_SingletonFilter (think
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// for example to an upper triangular matrix, which has one
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// singleton, and still has one after the elimination of
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// the first one...)
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UseSymmetricGraph_
= List.get(
"partitioner: use symmetric graph"
,
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UseSymmetricGraph_
);
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return
(0);
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}
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int
ComputePartitions
();
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private
:
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bool
UseSymmetricGraph_
;
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};
// class Ifpack_METISPartitioner
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#endif
// IFPACK_METISPARTITIONER_H
Ifpack_ConfigDefs.h
Ifpack_OverlappingPartitioner.h
Ifpack_Partitioner.h
Graph
adjacency_list< vecS, vecS, undirectedS, no_property, property< edge_weight_t, double > > Graph
Definition
Ifpack_SupportGraph.h:74
Epetra_BlockMap
Epetra_Import
Epetra_Map
Ifpack_Graph
Ifpack_Graph: a pure virtual class that defines graphs for IFPACK.
Definition
Ifpack_Graph.h:61
Ifpack_METISPartitioner
Ifpack_METISPartitioner: A class to decompose Ifpack_Graph's using METIS.
Definition
Ifpack_METISPartitioner.h:65
Ifpack_METISPartitioner::~Ifpack_METISPartitioner
virtual ~Ifpack_METISPartitioner()
Destructor.
Definition
Ifpack_METISPartitioner.h:76
Ifpack_METISPartitioner::UseSymmetricGraph_
bool UseSymmetricGraph_
Definition
Ifpack_METISPartitioner.h:96
Ifpack_METISPartitioner::ComputePartitions
int ComputePartitions()
Computes the partitions. Returns 0 if successful.
Definition
Ifpack_METISPartitioner.cpp:75
Ifpack_METISPartitioner::Ifpack_METISPartitioner
Ifpack_METISPartitioner(const Ifpack_Graph *Graph)
Constructor.
Definition
Ifpack_METISPartitioner.h:70
Ifpack_METISPartitioner::SetPartitionParameters
int SetPartitionParameters(Teuchos::ParameterList &List)
Sets all the parameters for the partitioner (none at moment).
Definition
Ifpack_METISPartitioner.h:79
Ifpack_OverlappingPartitioner
Definition
Ifpack_OverlappingPartitioner.h:81
true
#define true
Definition
euclid_common.h:114
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