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Xpetra_MatrixFactory.cpp
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46 
47 #ifndef XPETRA_MATRIXFACTORY_CPP
48 #define XPETRA_MATRIXFACTORY_CPP
49 
50 #include "Xpetra_MatrixFactory.hpp"
51 #if 0
52 namespace Xpetra {
53  template<>
54  Teuchos::RCP<Matrix > MatrixFactory2<double,int,int,Xpetra::Matrix<double, int, int>::node_type>::BuildCopy(const Teuchos::RCP<const Matrix > A) {
55  RCP<const CrsMatrixWrap> oldOp = Teuchos::rcp_dynamic_cast<const CrsMatrixWrap>(A);
56  if (oldOp == Teuchos::null)
57  throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::CrsMatrixWrap failed");
58 
59  RCP<const CrsMatrix> oldCrsOp = oldOp->getCrsMatrix();
60 
61 #ifdef HAVE_XPETRA_EPETRA
62 #ifndef XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES
63  RCP<const EpetraCrsMatrixT<GlobalOrdinal,Node> > oldECrsOp = Teuchos::rcp_dynamic_cast<const EpetraCrsMatrixT<GlobalOrdinal,Node> >(oldCrsOp);
64  if (oldECrsOp != Teuchos::null) {
65  // Underlying matrix is Epetra
66  RCP<CrsMatrix> newECrsOp(new EpetraCrsMatrixT<GlobalOrdinal,Node>(*oldECrsOp));
67  RCP<CrsMatrixWrap> newOp (new CrsMatrixWrap (newECrsOp));
68 
69  return newOp;
70  }
71 #endif
72 #endif
73 
74 #ifdef HAVE_XPETRA_TPETRA
75  // Underlying matrix is Tpetra
76  RCP<const TpetraCrsMatrix> oldTCrsOp = Teuchos::rcp_dynamic_cast<const TpetraCrsMatrix>(oldCrsOp);
77  if (oldTCrsOp != Teuchos::null) {
78  RCP<CrsMatrix> newTCrsOp(new TpetraCrsMatrix(*oldTCrsOp));
79  RCP<CrsMatrixWrap> newOp (new CrsMatrixWrap(newTCrsOp));
80 
81  return newOp;
82  }
83 #else
84  throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::EpetraCrsMatrix or Xpetra::TpetraCrsMatrix failed");
85 #endif
86 
87  return Teuchos::null; // make compiler happy
88  }
89 
90 #ifdef HAVE_XPETRA_INT_LONG_LONG
91  template<>
92  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) {
93  RCP<const CrsMatrixWrap> oldOp = Teuchos::rcp_dynamic_cast<const CrsMatrixWrap>(A);
94  if (oldOp == Teuchos::null)
95  throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::CrsMatrixWrap failed");
96 
97  RCP<const CrsMatrix> oldCrsOp = oldOp->getCrsMatrix();
98 
99 #ifdef HAVE_XPETRA_EPETRA
100 #ifndef XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES
101  RCP<const EpetraCrsMatrixT<GlobalOrdinal,Node> > oldECrsOp = Teuchos::rcp_dynamic_cast<const EpetraCrsMatrixT<GlobalOrdinal,Node> >(oldCrsOp);
102  if (oldECrsOp != Teuchos::null) {
103  // Underlying matrix is Epetra
104  RCP<CrsMatrix> newECrsOp(new EpetraCrsMatrixT<GlobalOrdinal,Node>(*oldECrsOp));
105  RCP<CrsMatrixWrap> newOp (new CrsMatrixWrap (newECrsOp));
106 
107  return newOp;
108  }
109 #endif
110 #endif
111 
112 #ifdef HAVE_XPETRA_TPETRA
113  // Underlying matrix is Tpetra
114  RCP<const TpetraCrsMatrix> oldTCrsOp = Teuchos::rcp_dynamic_cast<const TpetraCrsMatrix>(oldCrsOp);
115  if (oldTCrsOp != Teuchos::null) {
116  RCP<CrsMatrix> newTCrsOp(new TpetraCrsMatrix(*oldTCrsOp));
117  RCP<CrsMatrixWrap> newOp (new CrsMatrixWrap(newTCrsOp));
118 
119  return newOp;
120  }
121 #else
122  throw Exceptions::BadCast("Cast from Xpetra::Matrix to Xpetra::EpetraCrsMatrix or Xpetra::TpetraCrsMatrix failed");
123 #endif
124 
125  return Teuchos::null; // make compiler happy
126  }
127 
128 #endif // HAVE_XPETRA_INT_LONG_LONG
129 
130 } // namespace Xpetra
131 #endif // if 0
132 #endif
Xpetra-specific matrix class.