46 #include "Epetra_MpiComm.h" 48 #include "Epetra_SerialComm.h" 50 #include "Epetra_CrsMatrix.h" 51 #include "Epetra_Vector.h" 52 #include "Epetra_LinearProblem.h" 53 #include "Epetra_Map.h" 54 #include "Epetra_Import.h" 55 #include "Epetra_Time.h" 56 #include "Galeri_Maps.h" 57 #include "Galeri_CrsMatrices.h" 58 #include "Teuchos_ParameterList.hpp" 59 #include "Teuchos_RefCountPtr.hpp" 64 int main(
int argc,
char *argv[])
67 MPI_Init(&argc,&argv);
78 cout <<
"Test `TestOverlappingRowMatrix.exe' passed!" << endl;
84 GaleriList.
set(
"n", nx * nx);
85 GaleriList.
set(
"nx", nx);
86 GaleriList.
set(
"ny", nx);
87 Teuchos::RefCountPtr<Epetra_Map> Map =
Teuchos::rcp( Galeri::CreateMap(
"Linear", Comm, GaleriList) );
88 Teuchos::RefCountPtr<Epetra_CrsMatrix>
A =
Teuchos::rcp( Galeri::CreateCrsMatrix(
"Laplace2D", &*Map, GaleriList) );
100 if (Comm.
MyPID() == 0)
101 cout <<
"Time to create B = " << Time.
ElapsedTime() << endl;
103 int NumGlobalRowsB =
B.NumGlobalRows();
104 int NumGlobalNonzerosB =
B.NumGlobalNonzeros();
108 for (
int i = 0 ; i <
A->NumMyRows() ; ++i)
109 X[i] = 1.0*
A->RowMatrixRowMap().GID(i);
122 if (Comm.
MyPID() == 0)
123 cout <<
"Norm of Y using B = " << Norm_B << endl;
132 if (Comm.
MyPID() == 0)
133 cout <<
"Time to create C = " << Time.
ElapsedTime() << endl;
136 int NumGlobalRowsC =
C.NumGlobalRows();
137 int NumGlobalNonzerosC =
C.NumGlobalNonzeros();
138 assert (NumGlobalRowsB == NumGlobalRowsC);
139 assert (NumGlobalNonzerosB == NumGlobalNonzerosC);
150 if (Comm.
MyPID() == 0)
151 cout <<
"Norm of Y using C = " << Norm_C << endl;
166 if (Comm.
MyPID() == 0)
167 cout <<
"Test `TestOverlappingRowMatrix.exe' passed!" << endl;
169 return(EXIT_SUCCESS);
int main(int argc, char *argv[])
ParameterList & set(std::string const &name, T const &value, std::string const &docString="", RCP< const ParameterEntryValidator > const &validator=null)
int PutScalar(double ScalarConstant)
Epetra_CrsMatrix * Ifpack_CreateOverlappingCrsMatrix(const Epetra_RowMatrix *Matrix, const int OverlappingLevel)
Creates an overlapping Epetra_CrsMatrix. Returns 0 if OverlappingLevel is 0.
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
Ifpack_OverlappingRowMatrix: matrix with ghost rows, based on Epetra_RowMatrix.
Ifpack_LocalFilter a class for light-weight extraction of the submatrix corresponding to local rows a...
#define IFPACK_CHK_ERR(ifpack_err)
void ResetStartTime(void)
double ElapsedTime(void) const