45 #include "Epetra_MpiComm.h"
47 #include "Epetra_SerialComm.h"
49 #include "Epetra_CrsMatrix.h"
50 #include "Epetra_MultiVector.h"
51 #include "Epetra_Map.h"
52 #include "Epetra_BlockMap.h"
53 #include "Epetra_LinearProblem.h"
54 #include "Galeri_Maps.h"
55 #include "Galeri_CrsMatrices.h"
56 #include "Teuchos_ParameterList.hpp"
57 #include "Teuchos_RefCountPtr.hpp"
61 int main(
int argc,
char *argv[])
66 MPI_Init(&argc,&argv);
76 GaleriList.
set(
"nx", nx);
78 GaleriList.
set(
"mx", 1);
80 Teuchos::RefCountPtr<Epetra_Map> Map =
Teuchos::rcp( Galeri::CreateMap(
"Cartesian2D", Comm, GaleriList) );
81 Teuchos::RefCountPtr<Epetra_RowMatrix>
A =
Teuchos::rcp( Galeri::CreateCrsMatrix(
"Laplace2D", &*Map, GaleriList) );
95 std::string PrecType =
"Amesos";
99 Teuchos::RefCountPtr<Ifpack_Preconditioner> Prec =
Teuchos::rcp( Factory.
Create(PrecType, &*A, OverlapLevel) );
107 List.
set(
"amesos: solver type",
"Amesos_Klu");
148 Solver.SetAztecOption(AZ_solver,AZ_gmres);
149 Solver.SetAztecOption(AZ_output,32);
152 Solver.SetPrecOperator(&*Prec);
157 Solver.Iterate(1550,1e-8);
163 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[])
Ifpack: a function class to define Ifpack preconditioners.
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)