Isorropia_TpetraRedistributor.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
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

************************************************************************
*/
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#ifndef _Isorropia_TpetraRedistributor_hpp_
#define _Isorropia_TpetraRedistributor_hpp_

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

#ifdef HAVE_ISORROPIA_TPETRA


#include <Kokkos_DefaultNode.hpp>
#include <Isorropia_TpetraPartitioner.hpp>

//#include <Tpetra_CrsGraph_decl.hpp>
//#include <Tpetra_RowMatrix.hpp>
//#include <Tpetra_MultiVector_decl.hpp>


namespace Isorropia {

namespace Tpetra {


template <class Node=Kokkos::DefaultNode::DefaultNodeType>
class Redistributor : public Isorropia::Redistributor {
public:

  Redistributor(Teuchos::RCP<Isorropia::Tpetra::Partitioner<Node> > partitioner);

  Redistributor(Isorropia::Tpetra::Partitioner<Node> *partitioner);

  virtual ~Redistributor();

  Teuchos::RCP< ::Tpetra::CrsGraph<int,int,Node> >
  redistribute(const ::Tpetra::CrsGraph<int,int,Node>& input_graph, bool callFillComplete= true);

  void redistribute(const ::Tpetra::CrsGraph<int,int,Node>& input_graph, 
                    ::Tpetra::CrsGraph<int,int,Node> * &outputGraphPtr, bool callFillComplete= true);

  Teuchos::RCP< ::Tpetra::CrsMatrix<double,int,int,Node> >
  redistribute(const ::Tpetra::CrsMatrix<double,int,int,Node>& input_matrix, bool callFillComplete= true);

  void redistribute(const ::Tpetra::CrsMatrix<double,int,int,Node>& inputMatrix, 
                    ::Tpetra::CrsMatrix<double,int,int,Node> * &outputMatrix, bool callFillComplete= true);

  Teuchos::RCP< ::Tpetra::Vector<double,int,int,Node> >
  redistribute(const ::Tpetra::Vector<double,int,int,Node>& input_vector);

  void
  redistribute(const ::Tpetra::Vector<double,int,int,Node>& inputVector, 
               ::Tpetra::Vector<double,int,int,Node> * &outputVector);

  Teuchos::RCP< ::Tpetra::MultiVector<double,int,int,Node> >  
  redistribute(const ::Tpetra::MultiVector<double,int,int,Node>& input_vector);


  void redistribute(const ::Tpetra::MultiVector<double,int,int,Node>& inputVector, 
                          ::Tpetra::MultiVector<double,int,int,Node> * &outputVector);

  void
  redistribute_reverse(const ::Tpetra::Vector<double,int,int,Node> & input_vector, ::Tpetra::Vector<double,int,int,Node>& output_vector);

  void
  redistribute_reverse(const ::Tpetra::MultiVector<double,int,int,Node>& input_vector, ::Tpetra::MultiVector<double,int,int,Node>& output_vector);
private:
  void create_importer(const ::Tpetra::Map<int,int,Node>& src_map);

  Teuchos::RCP<Isorropia::Tpetra::Partitioner<Node> > partitioner_;
  Teuchos::RCP< ::Tpetra::Import<int,int,Node> > importer_;
  Teuchos::RCP< ::Tpetra::Map<int,int,Node> > target_map_;

  bool created_importer_;

}; //class Redistributor

}//namespace Tpetra

}//namespace Isorropia

#endif //HAVE_ISORROPIA_TPETRA

#endif