/usr/include/trilinos/Xpetra

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//
//             Xpetra: A linear algebra interface package
//                  Copyright 2012 Sandia Corporation
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#ifndef XPETRA_MATRIXFACTORY_CPP
#define XPETRA_MATRIXFACTORY_CPP

#include "Xpetra_MatrixFactory.hpp"
#if 0
namespace Xpetra {
   template<>
   Teuchos::RCP<Matrix > MatrixFactory2<double,int,int,Xpetra::Matrix<double, int, int>::node_type>::BuildCopy(const Teuchos::RCP<const Matrix > A) {
    RCP<const CrsMatrixWrap> oldOp = Teuchos::rcp_dynamic_cast<const CrsMatrixWrap>(A);
    if (oldOp == Teuchos::null)
      throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::CrsMatrixWrap failed");

    RCP<const CrsMatrix> oldCrsOp = oldOp->getCrsMatrix();

#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES
        RCP<const EpetraCrsMatrixT<GlobalOrdinal,Node> > oldECrsOp = Teuchos::rcp_dynamic_cast<const EpetraCrsMatrixT<GlobalOrdinal,Node> >(oldCrsOp);
    if (oldECrsOp != Teuchos::null) {
      // Underlying matrix is Epetra
      RCP<CrsMatrix>     newECrsOp(new EpetraCrsMatrixT<GlobalOrdinal,Node>(*oldECrsOp));
      RCP<CrsMatrixWrap> newOp    (new CrsMatrixWrap  (newECrsOp));

      return newOp;
    }
#endif
#endif

#ifdef HAVE_XPETRA_TPETRA
    // Underlying matrix is Tpetra
    RCP<const TpetraCrsMatrix> oldTCrsOp = Teuchos::rcp_dynamic_cast<const TpetraCrsMatrix>(oldCrsOp);
    if (oldTCrsOp != Teuchos::null) {
      RCP<CrsMatrix>     newTCrsOp(new TpetraCrsMatrix(*oldTCrsOp));
      RCP<CrsMatrixWrap> newOp    (new CrsMatrixWrap(newTCrsOp));

      return newOp;
    }
#else
    throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::EpetraCrsMatrix or Xpetra::TpetraCrsMatrix failed");
#endif

    return Teuchos::null;  // make compiler happy
  }

#ifdef HAVE_XPETRA_INT_LONG_LONG
  template<>
  Teuchos::RCP<Xpetra::Matrix<double,int,long long,typename Xpetra::Matrix<double, int, long long>::node_type> > MatrixFactory2<double,int,long long,typename Xpetra::Matrix<double, int, long long>::node_type>::BuildCopy(const Teuchos::RCP<const Xpetra::Matrix<double,int,long long,typename Matrix<double, int, long long>::node_type> > A) {
    RCP<const CrsMatrixWrap> oldOp = Teuchos::rcp_dynamic_cast<const CrsMatrixWrap>(A);
    if (oldOp == Teuchos::null)
      throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::CrsMatrixWrap failed");

    RCP<const CrsMatrix> oldCrsOp = oldOp->getCrsMatrix();

#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES
        RCP<const EpetraCrsMatrixT<GlobalOrdinal,Node> > oldECrsOp = Teuchos::rcp_dynamic_cast<const EpetraCrsMatrixT<GlobalOrdinal,Node> >(oldCrsOp);
    if (oldECrsOp != Teuchos::null) {
      // Underlying matrix is Epetra
      RCP<CrsMatrix>     newECrsOp(new EpetraCrsMatrixT<GlobalOrdinal,Node>(*oldECrsOp));
      RCP<CrsMatrixWrap> newOp    (new CrsMatrixWrap  (newECrsOp));

      return newOp;
    }
#endif
#endif

#ifdef HAVE_XPETRA_TPETRA
    // Underlying matrix is Tpetra
    RCP<const TpetraCrsMatrix> oldTCrsOp = Teuchos::rcp_dynamic_cast<const TpetraCrsMatrix>(oldCrsOp);
    if (oldTCrsOp != Teuchos::null) {
      RCP<CrsMatrix>     newTCrsOp(new TpetraCrsMatrix(*oldTCrsOp));
      RCP<CrsMatrixWrap> newOp    (new CrsMatrixWrap(newTCrsOp));

      return newOp;
    }
#else
    throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::EpetraCrsMatrix or Xpetra::TpetraCrsMatrix failed");
#endif

    return Teuchos::null;  // make compiler happy
  }

#endif // HAVE_XPETRA_INT_LONG_LONG

} // namespace Xpetra
#endif // if 0
#endif
libtrilinos-xpetra-dev 12.10.1-3 / usr / include / trilinos / Xpetra_MatrixFactory.cpp
