Isorropia_Epetra.hpp

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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
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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************************************************************************
*/
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#ifndef _Isorropia_Epetra_hpp_
#define _Isorropia_Epetra_hpp_

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

#ifdef HAVE_EPETRA
class Epetra_Comm;
class Epetra_Map;
class Epetra_BlockMap;
class Epetra_Import;
class Epetra_Vector;
class Epetra_MultiVector;
class Epetra_RowMatrix;
class Epetra_CrsGraph;
class Epetra_CrsMatrix;
class Epetra_LinearProblem;
#endif

namespace Isorropia {

namespace Epetra {

  class Partitioner;
  class CostDescriber;

#ifdef HAVE_EPETRA

Epetra_MultiVector *
createBalancedCopy(const Epetra_MultiVector& input_vector);

Epetra_MultiVector *
createBalancedCopy(const Epetra_MultiVector& input_vector,
                     const Teuchos::ParameterList& paramlist);

Epetra_CrsGraph *
createBalancedCopy(const Epetra_CrsGraph& input_graph);

Epetra_CrsGraph *
createBalancedCopy(const Epetra_CrsGraph& input_graph,
                     const Teuchos::ParameterList& paramlist);

Epetra_CrsMatrix *
createBalancedCopy(const Epetra_CrsMatrix& input_matrix);

Epetra_CrsMatrix *
createBalancedCopy(const Epetra_CrsMatrix& input_matrix,
                     const Teuchos::ParameterList& paramlist);

Epetra_LinearProblem *
createBalancedCopy(const Epetra_LinearProblem & input_problem);

Epetra_LinearProblem *
createBalancedCopy(const Epetra_LinearProblem & input_problem,
                     const Teuchos::ParameterList& paramlist);

// Teuchos::RCP<Epetra_Map>
// create_target_map(const Epetra_Comm& comm, Partitioner& partitioner);

__deprecated Teuchos::RCP<Epetra_CrsMatrix>
  create_balanced_copy(const Epetra_CrsMatrix& input_matrix);

__deprecated Teuchos::RCP<Epetra_CrsMatrix>
  create_balanced_copy(const Epetra_CrsMatrix& input_matrix,
                       const Epetra_Vector &row_weights);

__deprecated Teuchos::RCP<Epetra_CrsMatrix>
  create_balanced_copy(const Epetra_CrsMatrix& input_matrix,
                     const Teuchos::ParameterList& paramlist);



__deprecated Teuchos::RCP<Epetra_CrsMatrix>
  create_balanced_copy(const Epetra_CrsMatrix& input_matrix,
                     CostDescriber &costs,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_RowMatrix>
  create_balanced_copy(const Epetra_RowMatrix& input_matrix);

__deprecated Teuchos::RCP<Epetra_RowMatrix>
  create_balanced_copy(const Epetra_RowMatrix& input_matrix,
                       const Epetra_Vector &row_weights);

__deprecated Teuchos::RCP<Epetra_RowMatrix>
  create_balanced_copy(const Epetra_RowMatrix& input_matrix,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_RowMatrix>
  create_balanced_copy(const Epetra_RowMatrix& input_matrix,
                     CostDescriber &costs,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_CrsGraph>
  create_balanced_copy(const Epetra_CrsGraph& input_graph);

__deprecated Teuchos::RCP<Epetra_CrsGraph>
  create_balanced_copy(const Epetra_CrsGraph& input_matrix,
                       const Epetra_Vector &row_weights);

__deprecated Teuchos::RCP<Epetra_CrsGraph>
  create_balanced_copy(const Epetra_CrsGraph& input_graph,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_CrsGraph>
  create_balanced_copy(const Epetra_CrsGraph& input_graph,
                     CostDescriber &costs,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_LinearProblem>
  create_balanced_copy(const Epetra_LinearProblem & input_problem);

__deprecated Teuchos::RCP<Epetra_LinearProblem>
  create_balanced_copy(const Epetra_LinearProblem& input_matrix,
                       const Epetra_Vector &row_weights);

__deprecated Teuchos::RCP<Epetra_LinearProblem>
  create_balanced_copy(const Epetra_LinearProblem& input_problem,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_LinearProblem>
  create_balanced_copy(const Epetra_LinearProblem& input_problem,
                     CostDescriber &costs,
                     const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_MultiVector>
create_balanced_copy(const Epetra_MultiVector &coords,
                   const Teuchos::ParameterList& paramlist);

__deprecated Teuchos::RCP<Epetra_MultiVector>
create_balanced_copy(const Epetra_MultiVector &coords,
                     const Epetra_MultiVector &weights,
                   const Teuchos::ParameterList& paramlist);


__deprecated Teuchos::RCP<Epetra_MultiVector>
create_balanced_copy(const Epetra_MultiVector &coords);

__deprecated Teuchos::RCP<Epetra_MultiVector>
create_balanced_copy(const Epetra_MultiVector &coords,
                     const Epetra_MultiVector &weights);

Teuchos::RCP<Epetra_CrsMatrix>
  redistribute_rows(const Epetra_CrsMatrix& input_matrix,
                    const Epetra_Map& target_rowmap,
                    Epetra_Import* importer=0);

Teuchos::RCP<Epetra_CrsMatrix>
  redistribute_rows(const Epetra_RowMatrix& input_matrix,
                    const Epetra_Map& target_rowmap,
                    Epetra_Import* importer=0);

Teuchos::RCP<Epetra_CrsGraph>
  redistribute_rows(const Epetra_CrsGraph& input_graph,
                    const Epetra_Map& target_rowmap,
                    Epetra_Import* importer=0);

Teuchos::RCP<Epetra_MultiVector>
  redistribute(const Epetra_MultiVector& input,
               const Epetra_BlockMap& target_map,
               Epetra_Import* importer=0);

Teuchos::RCP<Epetra_Vector>
  redistribute(const Epetra_Vector& input,
               const Epetra_Map& target_map,
               Epetra_Import* importer=0);

#ifndef DOXYGEN_SHOULD_SKIP_THIS

Epetra_MultiVector* create_row_weights_nnz(const Epetra_RowMatrix& input_matrix);

Epetra_MultiVector* create_row_weights_nnz(const Epetra_CrsGraph& input_graph);

Epetra_MultiVector* create_unit_weights(const Epetra_MultiVector& input_coords);


int
repartition(const Epetra_BlockMap& input_map,
      const Epetra_MultiVector& weights,
      std::vector<int>& myNewElements,
      int& exportsSize,
      std::vector<int>& imports);

void gather_all_proc_global_offsets(const Epetra_BlockMap& blkmap,
                                    std::vector<int>& all_proc_offsets);


double compute_imbalance(int nprocs, std::vector<int> &offsets, 
                         double *wgts, double target);

#endif //DOXYGEN_SHOULD_SKIP_THIS
#endif //HAVE_EPETRA

}//namespace Epetra
}//namespace Isorropia

#endif