Isorropia_EpetraPartitioner2D.hpp

Go to the documentation of this file.

//@HEADER
/*
************************************************************************

              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_EpetraPartitioner2D_hpp_
#define _Isorropia_EpetraPartitioner2D_hpp_

#include <Isorropia_ConfigDefs.hpp>
#include <Teuchos_RCP.hpp>
#include <Teuchos_ParameterList.hpp>

#include <Isorropia_EpetraOperator.hpp>
#include <Isorropia_Partitioner2D.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 Partitioner2D : virtual public Isorropia::Partitioner2D, virtual public Isorropia::Epetra::Operator  {
public:
  Partitioner2D(Teuchos::RCP<const Epetra_CrsGraph> input_graph,
    const Teuchos::ParameterList& paramlist = Teuchos::ParameterList("EmptyParameterList"),
                bool compute_partitioning_now=true);

  Partitioner2D(Teuchos::RCP<const Epetra_RowMatrix> input_matrix,
              const Teuchos::ParameterList& paramlist = Teuchos::ParameterList("EmptyParameterList"),
              bool compute_partitioning_now=true);



  virtual ~Partitioner2D();


  // MMW: Missing functions that are in EpetraPartioner, might need to implement
  //void setPartSizes(int len, int *global_part_id, float *part_size);
  //void clearPartSizes();

  void partition(bool force_repartitioning=false);

  virtual void compute(bool forceRecomputing=false);


  int numElemsInPart(int part) const;


  int getNZIndx(int row, int column) const;


  void elemsInPart(int part, int* elementList, int len) const;


  // Should add RCP versions of the below

  int createDomainAndRangeMaps(Epetra_Map *domainMap, 
                   Epetra_Map *rangeMap);

  // perhaps pass parameter lists to these?
  int createColumnMap(Epetra_Map* colMap); 
  int createRowMap(Epetra_Map* rowMap); 




};//class Partitioner2D

}//namespace Epetra
}//namespace Isorropia

#endif //HAVE_EPETRA

#endif