/usr/include/trilinos/Galeri_MatrixTraits.hpp is in libtrilinos-galeri-dev 12.10.1-3.
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//
// ***********************************************************************
//
// Galeri: Finite Element and Matrix Generation Package
// Copyright (2006) ETHZ/Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// @HEADER
/*
Direct translation of parts of Galeri to use Tpetra or Xpetra rather than Epetra. Epetra also supported.
*/
#ifndef GALERI_XPETRAMATRIXTRAITS_HPP
#define GALERI_XPETRAMATRIXTRAITS_HPP
#include <Teuchos_RCP.hpp>
#include <Teuchos_ArrayView.hpp>
#include "Galeri_config.h"
#ifdef HAVE_GALERI_XPETRA
// needed for the specialized traits:
#include "Xpetra_Map.hpp"
#include "Xpetra_CrsMatrix.hpp"
#include "Xpetra_CrsMatrixFactory.hpp"
#include "Xpetra_Matrix.hpp"
#include "Xpetra_MatrixFactory.hpp"
#endif
namespace Galeri {
namespace Xpetra {
/* Default traits */
/* These traits work for the following couples of (Map,Matrix):
- Map = Tpetra::Map<...>, and Matrix = Tpetra::CrsMatrix<...>
- Map = Xpetra::TpetraMap<...> and Matrix = Xpetra::TpetraCrsMatrix<...>
- Map = Xpetra::EpetraMap, and Matrix = Xpetra::EpetraCrsMatrix
*/
template <class Map, class Matrix>
class MatrixTraits
{
public:
static Teuchos::RCP<Matrix> Build(const Teuchos::RCP<const Map> &rowMap, size_t maxNumEntriesPerRow) // TODO: pftype
{ return Teuchos::rcp( new Matrix(rowMap, maxNumEntriesPerRow) );
};
};
#ifdef HAVE_GALERI_XPETRA
/* Specialized traits for:
- Map = Xpetra::Map<...>, Matrix = Xpetra::CrsMatrix<...> */
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class MatrixTraits < ::Xpetra::Map<LocalOrdinal,GlobalOrdinal, Node>, ::Xpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal, Node> >
{
public:
static Teuchos::RCP< ::Xpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal, Node> > Build(const Teuchos::RCP<const ::Xpetra::Map<LocalOrdinal,GlobalOrdinal, Node> > &rowMap, size_t maxNumEntriesPerRow)
// Use the CrsMatrixFactory to decide what kind of matrix to create (Xpetra::TpetraCrsMatrix or Xpetra::EpetraCrsMatrix).
{ return ::Xpetra::CrsMatrixFactory<Scalar,LocalOrdinal,GlobalOrdinal, Node>::Build(rowMap, maxNumEntriesPerRow); };
};
/* Specialized traits for:
- Map = Xpetra::Map<...>, Matrix = Xpetra::Matrix<...> */
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
class MatrixTraits < ::Xpetra::Map<LocalOrdinal,GlobalOrdinal, Node>, ::Xpetra::Matrix<Scalar,LocalOrdinal,GlobalOrdinal, Node> >
{
public:
static Teuchos::RCP< ::Xpetra::Matrix<Scalar,LocalOrdinal,GlobalOrdinal, Node> > Build(const Teuchos::RCP<const ::Xpetra::Map<LocalOrdinal,GlobalOrdinal, Node> > &rowMap, size_t maxNumEntriesPerRow)
// Use the CrsMatrixFactory to decide what kind of matrix to create (Xpetra::TpetraCrsMatrix or Xpetra::EpetraCrsMatrix).
{ return ::Xpetra::MatrixFactory<Scalar,LocalOrdinal,GlobalOrdinal, Node>::Build(rowMap, maxNumEntriesPerRow); };
};
#endif
} // namespace Xpetra
} // namespace Galeri
#endif //ifndef GALERI_XPETRAMATRIXTRAITS_HPP
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