Amesos2 - Direct Sparse Solver Interfaces  Version of the Day
Amesos2_TpetraCrsMatrix_MatrixAdapter_def.hpp
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43 
44 
45 #ifndef AMESOS2_TPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
46 #define AMESOS2_TPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
47 
49 #include "Amesos2_TpetraRowMatrix_AbstractMatrixAdapter_def.hpp"
50 #include "Amesos2_MatrixAdapter_def.hpp"
51 
52 namespace Amesos2 {
53 
54  template <typename Scalar,
55  typename LocalOrdinal,
56  typename GlobalOrdinal,
57  typename Node>
58  ConcreteMatrixAdapter<
59  Tpetra::CrsMatrix<Scalar,
60  LocalOrdinal,
61  GlobalOrdinal,
62  Node>
63  >::ConcreteMatrixAdapter(Teuchos::RCP<matrix_t> m)
64  : AbstractConcreteMatrixAdapter<Tpetra::RowMatrix<Scalar,
65  LocalOrdinal,
66  GlobalOrdinal,
67  Node>,
68  Tpetra::CrsMatrix<Scalar,
69  LocalOrdinal,
70  GlobalOrdinal,
71  Node> >(m) // with implicit cast
72  {}
73 
74  template <typename Scalar,
75  typename LocalOrdinal,
76  typename GlobalOrdinal,
77  typename Node>
78  Teuchos::RCP<const MatrixAdapter<Tpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> > >
79  ConcreteMatrixAdapter<
80  Tpetra::CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>
81  >::get_impl(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map) const
82  {
83  using Teuchos::RCP;
84  using Teuchos::rcp;
85  using Teuchos::rcpFromPtr;
86  typedef Tpetra::Import<local_ordinal_t, global_ordinal_t, node_t> import_t;
87 
88  RCP<matrix_t> t_mat;
89  t_mat = rcp (new matrix_t (rcpFromPtr (map), this->getMaxRowNNZ()));
90 
91  RCP<import_t> importer =
92  rcp (new import_t (this->getRowMap(), rcpFromPtr (map)));
93 
94  // mfh 27 Mar 2012: INSERT is correct in this case, because
95  // we're Importing into an empty matrix with a dynamic graph.
96  t_mat->doImport (*(this->mat_), *importer, Tpetra::INSERT);
97 
98  return rcp (new ConcreteMatrixAdapter<matrix_t> (t_mat));
99  }
100 
101 } // end namespace Amesos2
102 
103 #endif // AMESOS2_TPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
Specialization of the ConcreteMatrixAdapter for Tpetra::CrsMatrix. Inherits all its functionality fro...
Definition: Amesos2_AbstractConcreteMatrixAdapter.hpp:48