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Xpetra_IteratorOps.cpp
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47 #include "Xpetra_IteratorOps.hpp"
48 
49 namespace Xpetra {
50 
51 #if defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES)
52  template<>
53  void Jacobi<double,int,int,EpetraNode>(double omega,
54  const Xpetra::Vector<double,int,int,EpetraNode> & Dinv,
55  const Xpetra::Matrix<double,int,int,EpetraNode> & A,
56  const Xpetra::Matrix<double,int,int,EpetraNode> & B,
57  Xpetra::Matrix<double,int,int,EpetraNode> &C,
58  bool call_FillComplete_on_result,
59  bool doOptimizeStorage,
60  const std::string & label,
61  const Teuchos::RCP<Teuchos::ParameterList>& params) {
62  typedef double SC;
63  typedef int LO;
64  typedef int GO;
65  typedef EpetraNode NO;
66 
67  TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*A.getRowMap()) == false, Exceptions::RuntimeError,
68  "XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of A")
69  TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*B.getRowMap()) == false, Exceptions::RuntimeError,
70  "XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of B");
71  TEUCHOS_TEST_FOR_EXCEPTION(!A.isFillComplete(), Exceptions::RuntimeError, "A is not fill-completed");
72  TEUCHOS_TEST_FOR_EXCEPTION(!B.isFillComplete(), Exceptions::RuntimeError, "B is not fill-completed");
73 
74  bool haveMultiplyDoFillComplete = call_FillComplete_on_result && doOptimizeStorage;
75 
76  if (C.getRowMap()->lib() == Xpetra::UseEpetra) {
77 #ifndef HAVE_XPETRA_EPETRAEXT
78  throw(Xpetra::Exceptions::RuntimeError("Xpetra::IteratorOps::Jacobi requires EpetraExt to be compiled."));
79 #else
80  Epetra_CrsMatrix& epA = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(A);
81  Epetra_CrsMatrix& epB = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(B);
82  Epetra_CrsMatrix& epC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(C);
83  // FIXME
84  XPETRA_DYNAMIC_CAST(const EpetraVectorT<GO XPETRA_COMMA NO>, Dinv, epD, "Xpetra::IteratorOps::Jacobi() only accepts Xpetra::EpetraVector as input argument.");
85 
86  int i = EpetraExt::MatrixMatrix::Jacobi(omega, *epD.getEpetra_Vector(), epA, epB, epC, haveMultiplyDoFillComplete);
87  if (haveMultiplyDoFillComplete) {
88  // Due to Epetra wrapper intricacies, we need to explicitly call
89  // fillComplete on Xpetra matrix here. Specifically, EpetraCrsMatrix
90  // only keeps an internal variable to check whether we are in resumed
91  // state or not, but never touches the underlying Epetra object. As
92  // such, we need to explicitly update the state of Xpetra matrix to
93  // that of Epetra one afterwords
94  C.fillComplete();
95  }
96 
97  if (i != 0) {
98  std::ostringstream buf;
99  buf << i;
100  std::string msg = "EpetraExt::MatrixMatrix::Jacobi return value of " + buf.str();
101  throw(Exceptions::RuntimeError(msg));
102  }
103 #endif
104  } else if (C.getRowMap()->lib() == Xpetra::UseTpetra) {
105 #ifdef HAVE_XPETRA_TPETRA
106 # if ((defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_OPENMP) || !defined(HAVE_TPETRA_INST_INT_INT))) || \
107  (!defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_SERIAL) || !defined(HAVE_TPETRA_INST_INT_INT))))
108  throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra GO=<double,int,int> enabled."));
109 # else
110  const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpA = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(A);
111  const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpB = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(B);
112  Tpetra::CrsMatrix<SC,LO,GO,NO> & tpC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstTpetraCrs(C);
113  const RCP<Tpetra::Vector<SC,LO,GO,NO> > & tpD = toTpetra(Dinv);
114  Tpetra::MatrixMatrix::Jacobi(omega, *tpD, tpA, tpB, tpC, haveMultiplyDoFillComplete, label, params);
115 # endif
116 #else
117  throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra."));
118 #endif
119  }
120 
121  if (call_FillComplete_on_result && !haveMultiplyDoFillComplete) {
122  RCP<Teuchos::ParameterList> ppp = rcp(new Teuchos::ParameterList());
123  ppp->set("Optimize Storage", doOptimizeStorage);
124  C.fillComplete(B.getDomainMap(), B.getRangeMap(), ppp);
125  }
126 
127  // transfer striding information
128  Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpA = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(A));
129  Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpB = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(B));
130  C.CreateView("stridedMaps", rcpA, false, rcpB, false); // TODO use references instead of RCPs
131  }
132 #endif
133 
134 #if defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES)
135  template<>
136  void Jacobi<double,int,long long,EpetraNode>(double omega,
137  const Xpetra::Vector<double,int,long long,EpetraNode> & Dinv,
138  const Xpetra::Matrix<double,int,long long,EpetraNode> & A,
139  const Xpetra::Matrix<double,int,long long,EpetraNode> & B,
140  Xpetra::Matrix<double,int,long long,EpetraNode> &C,
141  bool call_FillComplete_on_result,
142  bool doOptimizeStorage,
143  const std::string & label,
144  const Teuchos::RCP<Teuchos::ParameterList>& params) {
145  typedef double SC;
146  typedef int LO;
147  typedef long long GO;
148  typedef EpetraNode NO;
149 
150  TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*A.getRowMap()) == false, Exceptions::RuntimeError,
151  "XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of A")
152  TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*B.getRowMap()) == false, Exceptions::RuntimeError,
153  "XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of B");
154  TEUCHOS_TEST_FOR_EXCEPTION(!A.isFillComplete(), Exceptions::RuntimeError, "A is not fill-completed");
155  TEUCHOS_TEST_FOR_EXCEPTION(!B.isFillComplete(), Exceptions::RuntimeError, "B is not fill-completed");
156 
157  bool haveMultiplyDoFillComplete = call_FillComplete_on_result && doOptimizeStorage;
158 
159  if (C.getRowMap()->lib() == Xpetra::UseEpetra) {
160 #ifndef HAVE_XPETRA_EPETRAEXT
161  throw(Xpetra::Exceptions::RuntimeError("Xpetra::IteratorOps::Jacobi requires EpetraExt to be compiled."));
162 #else
163  Epetra_CrsMatrix& epA = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(A);
164  Epetra_CrsMatrix& epB = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(B);
165  Epetra_CrsMatrix& epC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(C);
166  // FIXME
167  XPETRA_DYNAMIC_CAST(const EpetraVectorT<GO XPETRA_COMMA NO>, Dinv, epD, "Xpetra::IteratorOps::Jacobi() only accepts Xpetra::EpetraVector as input argument.");
168 
169  int i = EpetraExt::MatrixMatrix::Jacobi(omega, *epD.getEpetra_Vector(), epA, epB, epC, haveMultiplyDoFillComplete);
170  if (haveMultiplyDoFillComplete) {
171  // Due to Epetra wrapper intricacies, we need to explicitly call
172  // fillComplete on Xpetra matrix here. Specifically, EpetraCrsMatrix
173  // only keeps an internal variable to check whether we are in resumed
174  // state or not, but never touches the underlying Epetra object. As
175  // such, we need to explicitly update the state of Xpetra matrix to
176  // that of Epetra one afterwords
177  C.fillComplete();
178  }
179 
180  if (i != 0) {
181  std::ostringstream buf;
182  buf << i;
183  std::string msg = "EpetraExt::MatrixMatrix::Jacobi return value of " + buf.str();
184  throw(Exceptions::RuntimeError(msg));
185  }
186 #endif
187  } else if (C.getRowMap()->lib() == Xpetra::UseTpetra) {
188 #ifdef HAVE_XPETRA_TPETRA
189 # if ((defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_OPENMP) || !defined(HAVE_TPETRA_INST_INT_LONG_LONG))) || \
190  (!defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_SERIAL) || !defined(HAVE_TPETRA_INST_INT_LONG_LONG))))
191  throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra GO=<double,int,long long> enabled."));
192 # else
193  const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpA = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(A);
194  const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpB = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(B);
195  Tpetra::CrsMatrix<SC,LO,GO,NO> & tpC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstTpetraCrs(C);
196  const RCP<Tpetra::Vector<SC,LO,GO,NO> > & tpD = toTpetra(Dinv);
197  Tpetra::MatrixMatrix::Jacobi(omega, *tpD, tpA, tpB, tpC, haveMultiplyDoFillComplete, label, params);
198 # endif
199 #else
200  throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra."));
201 #endif
202  }
203 
204  if (call_FillComplete_on_result && !haveMultiplyDoFillComplete) {
205  RCP<Teuchos::ParameterList> ppp = rcp(new Teuchos::ParameterList());
206  ppp->set("Optimize Storage", doOptimizeStorage);
207  C.fillComplete(B.getDomainMap(), B.getRangeMap(), ppp);
208  }
209 
210  // transfer striding information
211  Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpA = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(A));
212  Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpB = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(B));
213  C.CreateView("stridedMaps", rcpA, false, rcpB, false); // TODO use references instead of RCPs
214  }
215 #endif
216 
217 } // namespace Xpetra
Xpetra::Jacobi
void Jacobi(Scalar omega, const Xpetra::Vector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &Dinv, const Xpetra::Matrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &A, const Xpetra::Matrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &B, Xpetra::Matrix< Scalar, LocalOrdinal, GlobalOrdinal, Node > &C, bool call_FillComplete_on_result=true, bool doOptimizeStorage=true, const std::string &label=std::string(), const Teuchos::RCP< Teuchos::ParameterList > &params=Teuchos::null)
Definition: Xpetra_IteratorOps.hpp:68
Xpetra::Jacobi< double, int, long long, EpetraNode >
void Jacobi< double, int, long long, EpetraNode >(double omega, const Xpetra::Vector< double, int, long long, EpetraNode > &Dinv, const Xpetra::Matrix< double, int, long long, EpetraNode > &A, const Xpetra::Matrix< double, int, long long, EpetraNode > &B, Xpetra::Matrix< double, int, long long, EpetraNode > &C, bool call_FillComplete_on_result, bool doOptimizeStorage, const std::string &label, const Teuchos::RCP< Teuchos::ParameterList > &params)
Definition: Xpetra_IteratorOps.cpp:136
GO
GlobalOrdinal GO
Definition: Xpetra_UseShortNamesOrdinal.hpp:139
Teuchos::ParameterList::set
ParameterList & set(std::string const &name, T const &value, std::string const &docString="", RCP< const ParameterEntryValidator > const &validator=null)
TEUCHOS_TEST_FOR_EXCEPTION
#define TEUCHOS_TEST_FOR_EXCEPTION(throw_exception_test, Exception, msg)
Xpetra::Exceptions::RuntimeError
Exception throws to report errors in the internal logical of the program.
Definition: Xpetra_Exceptions.hpp:101
LO
LocalOrdinal LO
Definition: Xpetra_UseShortNamesOrdinal.hpp:138
Xpetra_IteratorOps.hpp
rcp
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
Xpetra::Matrix::CreateView
void CreateView(viewLabel_t viewLabel, const RCP< const Map > &rowMap, const RCP< const Map > &colMap)
Definition: Xpetra_Matrix.hpp:128
XPETRA_DYNAMIC_CAST
#define XPETRA_DYNAMIC_CAST(type, obj, newObj, exceptionMsg)
Definition: Xpetra_Exceptions.hpp:58
Xpetra::Jacobi< double, int, int, EpetraNode >
void Jacobi< double, int, int, EpetraNode >(double omega, const Xpetra::Vector< double, int, int, EpetraNode > &Dinv, const Xpetra::Matrix< double, int, int, EpetraNode > &A, const Xpetra::Matrix< double, int, int, EpetraNode > &B, Xpetra::Matrix< double, int, int, EpetraNode > &C, bool call_FillComplete_on_result, bool doOptimizeStorage, const std::string &label, const Teuchos::RCP< Teuchos::ParameterList > &params)
Definition: Xpetra_IteratorOps.cpp:53
Xpetra::toTpetra
RCP< const Tpetra::CrsGraph< LocalOrdinal, GlobalOrdinal, Node > > toTpetra(const RCP< const CrsGraph< LocalOrdinal, GlobalOrdinal, Node > > &graph)
Definition: Xpetra_TpetraCrsGraph.hpp:430
Xpetra::Helpers::Op2NonConstEpetraCrs
static RCP< Epetra_CrsMatrix > Op2NonConstEpetraCrs(RCP< Matrix > Op)
Definition: Xpetra_MatrixMatrix.hpp:112
Epetra_CrsMatrix
SC
Scalar SC
Definition: Xpetra_UseShortNamesScalar.hpp:178
NO
Node NO
Definition: Xpetra_UseShortNamesOrdinal.hpp:140
Xpetra::Helpers::Op2NonConstTpetraCrs
static RCP< Tpetra::CrsMatrix< SC, LO, GO, NO > > Op2NonConstTpetraCrs(RCP< Matrix > Op)
Definition: Xpetra_MatrixMatrix.hpp:172
Xpetra::Matrix
Xpetra-specific matrix class.
Definition: Xpetra_Matrix_fwd.hpp:51
Xpetra::Helpers::Op2TpetraCrs
static RCP< const Tpetra::CrsMatrix< SC, LO, GO, NO > > Op2TpetraCrs(RCP< Matrix > Op)
Definition: Xpetra_MatrixMatrix.hpp:160
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