Amesos2 - Direct Sparse Solver Interfaces Version of the Day
Amesos2_EpetraCrsMatrix_MatrixAdapter_def.hpp
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44
45#ifndef AMESOS2_EPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
46#define AMESOS2_EPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
47
48#include <Epetra_LocalMap.h>
49#include <Epetra_Import.h>
50
53#include "Amesos2_MatrixAdapter_def.hpp"
54
55
56namespace Amesos2 {
57
58 ConcreteMatrixAdapter<Epetra_CrsMatrix>::ConcreteMatrixAdapter(RCP<Epetra_CrsMatrix> m)
59 : AbstractConcreteMatrixAdapter<Epetra_RowMatrix,Epetra_CrsMatrix>(m) // CrsMatrix inherits from RowMatrix virtually, so a dynamic cast is necessary
60 {}
61
62 Teuchos::RCP<const MatrixAdapter<Epetra_CrsMatrix> >
63 ConcreteMatrixAdapter<Epetra_CrsMatrix>::get_impl(const Teuchos::Ptr<const Tpetra::Map<local_ordinal_t,global_ordinal_t,node_t> > map, EDistribution /* distribution */) const
64 {
65 using Teuchos::as;
66 using Teuchos::rcp;
67 using Teuchos::rcpFromRef;
68
69 RCP<const Epetra_Map> o_map, t_map;
70 o_map = rcpFromRef(this->mat_->RowMap());
71 t_map = Util::tpetra_map_to_epetra_map<local_ordinal_t,global_ordinal_t,global_size_t,node_t>(*map);
72
73 RCP<Epetra_CrsMatrix> t_mat = rcp(new Epetra_CrsMatrix(Copy, *t_map, this->getMaxRowNNZ()));
74
75 Epetra_Import importer(*t_map, *o_map);
76 t_mat->Import(*(this->mat_), importer, Insert);
77
78 t_mat->FillComplete(); // Must be in local form for later extraction of rows
79
80 return( rcp(new ConcreteMatrixAdapter<Epetra_CrsMatrix>(t_mat)) );
81 }
82
83} // end namespace Amesos2
84
85#endif // AMESOS2_EPETRACRSMATRIX_MATRIXADAPTER_DEF_HPP
Specialization of the ConcreteMatrixAdapter for Epetra_CrsMatrix. Inherits all its functionality from...
Definitions for the Epetra_RowMatrix abstract adapter.