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/*
************************************************************************
Isorropia: Partitioning and Load Balancing Package
Copyright (2006) Sandia Corporation
Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
license for use of this work by or on behalf of the U.S. Government.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
************************************************************************
*/
//@HEADER
#ifndef _Isorropia_EpetraLibrary_hpp_
#define _Isorropia_EpetraLibrary_hpp_
#include <Isorropia_ConfigDefs.hpp>
#include <Teuchos_RCP.hpp>
#include <Teuchos_ParameterList.hpp>
#include <Isorropia_EpetraCostDescriber.hpp>
#ifdef HAVE_EPETRA
class Epetra_Map;
class Epetra_BlockMap;
class Epetra_Import;
class Epetra_Vector;
class Epetra_MultiVector;
class Epetra_CrsGraph;
class Epetra_CrsMatrix;
class Epetra_RowMatrix;
class Epetra_LinearProblem;
namespace Isorropia {
namespace Epetra {
class CostDescriber;
/** An implementation of the Partitioner interface that operates on
Epetra matrices and linear systems.
*/
class Library {
public:
Library(Teuchos::RCP<const Epetra_CrsGraph> input_graph, int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_CrsGraph> input_graph, Teuchos::RCP<const Epetra_MultiVector> input_coords,
int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_CrsGraph> input_graph,
Teuchos::RCP<CostDescriber> costs, int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_CrsGraph> input_graph, Teuchos::RCP<CostDescriber> costs,
Teuchos::RCP<const Epetra_MultiVector> input_coords, Teuchos::RCP<const Epetra_MultiVector> weights,
int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_RowMatrix> input_matrix, int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_RowMatrix> input_matrix, Teuchos::RCP<const Epetra_MultiVector> input_coords,
int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_RowMatrix> input_matrix,
Teuchos::RCP<CostDescriber> costs, int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_RowMatrix> input_matrix, Teuchos::RCP<CostDescriber> costs,
Teuchos::RCP<const Epetra_MultiVector> input_coords, Teuchos::RCP<const Epetra_MultiVector> weights,
int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_MultiVector> input_coords, int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_MultiVector> input_coords,
Teuchos::RCP<const Epetra_MultiVector> weights, int itype = unspecified_input_);
Library(Teuchos::RCP<const Epetra_BlockMap> input_map, int itype = unspecified_input_);
virtual ~Library();
virtual int
repartition(Teuchos::ParameterList& paramlist,
std::vector<int>& myNewElements,
int& exportsSize,
std::vector<int>& imports) = 0;
virtual int
color(Teuchos::ParameterList& paramlist,
std::vector<int>& colorAssignment) = 0 ;
virtual int
order(Teuchos::ParameterList& paramlist,
std::vector<int>& orderAssignment) = 0 ;
/** input_type_ == hgraph_input_
This indicates that the matrix or graph represents a hypergraph. Columns
represent hyperedges, and row (vertex) partitioning is to be performed.
*/
static const int hgraph_input_ = 1;
/** input_type_ == hgraph2d_finegrain_input_
This indicates that the matrix or graph represents a hypergraph. Columns
represent hyperedges, and non-zeroes are to be partitioned.
*/
static const int hgraph2d_finegrain_input_ = 2;
/** input_type_ == graph_input_
This indicates that the square symmetric matrix or graph represents a graph
in the sense that row/column IDs are vertices and non-zeroes represent
edges. The vertices are to be partitioned.
*/
static const int graph_input_ = 3;
/** input_type_ == geometric_input_
This indicates that the Epetra_MultiVector represents geometric
coordinates. The MultiVector should have 1, 2 or 3 vectors,
representing 1, 2 or 3 dimensional coordinates. The coordinates
are to be partitioned.
*/
static const int geometric_input_ = 4;
/** input_type_ == hgraph_graph_input_
This indicates that the Epetra_MultiVector represents a hypergraph
and graph (see above). This is necessary for hierarchical partitioning
with both hypergraph and graph methods.
*/
static const int hgraph_graph_input_ = 5;
/** input_type_ == hgraph_geom_input_
This indicates that the Epetra_MultiVector represents a hypergraph
and graph (see above). This is necessary for hierarchical partitioning
with both hypergraph and geometric methods.
*/
static const int hgraph_geometric_input_ = 6;
/** input_type_ == graph_geom_input_
This indicates that the Epetra_MultiVector represents a hypergraph
and graph (see above). This is necessary for hierarchical partitioning
with both graph and geometric methods.
*/
static const int graph_geometric_input_ = 7;
/** input_type_ == hgraph_graph_geom_input_
This indicates that the Epetra_MultiVector represents a hypergraph
and graph (see above). This is necessary for hierarchical partitioning
using hypergraph, graph, and geometric methods.
*/
static const int hgraph_graph_geometric_input_ = 8;
/** input_type_ == simple_input_
This is used to indicate that a simple partitiong method
(block, cyclic, or random) will be used.
*/
static const int simple_input_ = 9;
/** input_type_ == unspecified_input_
This value is the "unset" state for the input_type_ instance variable.
*/
static const int unspecified_input_ = 10;
int input_type_;
int numPartSizes;
int *partGIDs;
float *partSizes;
protected:
Teuchos::RCP<const Epetra_BlockMap> input_map_;
Teuchos::RCP<const Epetra_CrsGraph> input_graph_;
Teuchos::RCP<const Epetra_RowMatrix> input_matrix_;
Teuchos::RCP<const Epetra_MultiVector> input_coords_;
Teuchos::RCP<Isorropia::Epetra::CostDescriber> costs_;
Teuchos::RCP<const Epetra_MultiVector> weights_;
virtual int precompute();
virtual int postcompute() = 0;
};//class Library
}//namespace Epetra
}//namespace Isorropia
#endif //HAVE_EPETRA
#endif
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