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#ifndef AMESOS2_TPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
#define AMESOS2_TPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP

#include "Amesos2_TpetraCrsMatrix_MatrixAdapter_decl.hpp"
#include "Amesos2_TpetraRowMatrix_AbstractMatrixAdapter_def.hpp"
#include "Amesos2_MatrixAdapter_def.hpp"

namespace Amesos2 {

  template <typename Scalar,
            typename LocalOrdinal,
            typename GlobalOrdinal,
            typename Node>
  ConcreteMatrixAdapter<
    Tpetra::CrsMatrix<Scalar,
                      LocalOrdinal,
                      GlobalOrdinal,
                      Node>
    >::ConcreteMatrixAdapter(Teuchos::RCP<matrix_t> m)
      : AbstractConcreteMatrixAdapter<Tpetra::RowMatrix<Scalar,
                                                        LocalOrdinal,
                                                        GlobalOrdinal,
                                                        Node>,
                                      Tpetra::CrsMatrix<Scalar,
                                                        LocalOrdinal,
                                                        GlobalOrdinal,
                                                        Node> >(m) // with implicit cast
    {}

  template <typename Scalar,
            typename LocalOrdinal,
            typename GlobalOrdinal,
            typename Node>
  Teuchos::RCP<const MatrixAdapter<Tpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> > >
  ConcreteMatrixAdapter<
    Tpetra::CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>
    >::get_impl(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map) const
    {
      using Teuchos::RCP;
      using Teuchos::rcp;
      using Teuchos::rcpFromPtr;
      typedef Tpetra::Import<local_ordinal_t, global_ordinal_t, node_t> import_t;

      RCP<matrix_t> t_mat;
      t_mat = rcp (new matrix_t (rcpFromPtr (map), this->getMaxRowNNZ()));

      RCP<import_t> importer =
        rcp (new import_t (this->getRowMap(), rcpFromPtr (map)));

      // mfh 27 Mar 2012: INSERT is correct in this case, because
      // we're Importing into an empty matrix with a dynamic graph.
      t_mat->doImport (*(this->mat_), *importer, Tpetra::INSERT);

      return rcp (new ConcreteMatrixAdapter<matrix_t> (t_mat));
    }

} // end namespace Amesos2

#endif  // AMESOS2_TPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
