32 #include "Epetra_MpiComm.h" 34 #include "Epetra_SerialComm.h" 36 #include "Epetra_CrsMatrix.h" 37 #include "Epetra_MultiVector.h" 38 #include "Epetra_Map.h" 39 #include "Epetra_BlockMap.h" 40 #include "Epetra_LinearProblem.h" 41 #include "Galeri_Maps.h" 42 #include "Galeri_CrsMatrices.h" 43 #include "Teuchos_ParameterList.hpp" 44 #include "Teuchos_RefCountPtr.hpp" 48 int main(
int argc,
char *argv[])
53 MPI_Init(&argc,&argv);
54 Epetra_MpiComm Comm( MPI_COMM_WORLD );
56 Epetra_SerialComm Comm;
63 GaleriList.
set(
"nx", nx);
64 GaleriList.
set(
"ny", nx * Comm.NumProc());
65 GaleriList.
set(
"mx", 1);
66 GaleriList.
set(
"my", Comm.NumProc());
67 Teuchos::RefCountPtr<Epetra_Map> Map =
Teuchos::rcp( Galeri::CreateMap64(
"Cartesian2D", Comm, GaleriList) );
68 Teuchos::RefCountPtr<Epetra_RowMatrix>
A =
Teuchos::rcp( Galeri::CreateCrsMatrix(
"Laplace2D", &*Map, GaleriList) );
82 std::string PrecType =
"Amesos";
86 Teuchos::RefCountPtr<Ifpack_Preconditioner> Prec =
Teuchos::rcp( Factory.
Create(PrecType, &*
A, OverlapLevel) );
87 assert(Prec != Teuchos::null);
94 List.
set(
"amesos: solver type",
"Amesos_Klu");
117 Epetra_Vector LHS(
A->OperatorDomainMap());
118 Epetra_Vector
RHS(
A->OperatorDomainMap());
129 Epetra_LinearProblem Problem(&*
A,&LHS,&
RHS);
135 Solver.SetAztecOption(AZ_solver,AZ_gmres);
136 Solver.SetAztecOption(AZ_output,32);
139 Solver.SetPrecOperator(&*Prec);
144 Solver.Iterate(1550,1e-8);
150 return(EXIT_SUCCESS);
ParameterList & set(std::string const &name, T const &value, std::string const &docString="", RCP< const ParameterEntryValidator > const &validator=null)
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
int main(int argc, char *argv[])
static Ifpack_Preconditioner * Create(EPrecType PrecType, Epetra_RowMatrix *Matrix, const int overlap=0, bool overrideSerialDefault=false)
Creates an instance of Ifpack_Preconditioner given the enum value of the preconditioner type (can not...
#define IFPACK_CHK_ERR(ifpack_err)