Ifpack_DropFilter: Filter based on matrix entries. More...
#include <Ifpack_DropFilter.h>
Public Member Functions | |
Ifpack_DropFilter (const Teuchos::RefCountPtr< Epetra_RowMatrix > &Matrix, double DropTol) | |
Constructor. | |
virtual | ~Ifpack_DropFilter () |
Destructor. | |
virtual int | NumMyRowEntries (int MyRow, int &NumEntries) const |
Returns the number of entries in MyRow. | |
virtual int | MaxNumEntries () const |
Returns the maximum number of entries. | |
virtual int | ExtractMyRowCopy (int MyRow, int Length, int &NumEntries, double *Values, int *Indices) const |
virtual int | ExtractDiagonalCopy (Epetra_Vector &Diagonal) const |
virtual int | Multiply (bool TransA, const Epetra_MultiVector &X, Epetra_MultiVector &Y) const |
virtual int | Solve (bool Upper, bool Trans, bool UnitDiagonal, const Epetra_MultiVector &X, Epetra_MultiVector &Y) const |
virtual int | Apply (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const |
virtual int | ApplyInverse (const Epetra_MultiVector &X, Epetra_MultiVector &Y) const |
virtual int | InvRowSums (Epetra_Vector &x) const |
virtual int | LeftScale (const Epetra_Vector &x) |
virtual int | InvColSums (Epetra_Vector &x) const |
virtual int | RightScale (const Epetra_Vector &x) |
virtual bool | Filled () const |
virtual double | NormInf () const |
virtual double | NormOne () const |
virtual int | NumGlobalNonzeros () const |
virtual int | NumGlobalRows () const |
virtual int | NumGlobalCols () const |
virtual int | NumGlobalDiagonals () const |
virtual long long | NumGlobalNonzeros64 () const |
virtual long long | NumGlobalRows64 () const |
virtual long long | NumGlobalCols64 () const |
virtual long long | NumGlobalDiagonals64 () const |
virtual int | NumMyNonzeros () const |
virtual int | NumMyRows () const |
virtual int | NumMyCols () const |
virtual int | NumMyDiagonals () const |
virtual bool | LowerTriangular () const |
virtual bool | UpperTriangular () const |
virtual const Epetra_Map & | RowMatrixRowMap () const |
virtual const Epetra_Map & | RowMatrixColMap () const |
virtual const Epetra_Import * | RowMatrixImporter () const |
int | SetUseTranspose (bool useTranspose) |
bool | UseTranspose () const |
bool | HasNormInf () const |
const Epetra_Comm & | Comm () const |
const Epetra_Map & | OperatorDomainMap () const |
const Epetra_Map & | OperatorRangeMap () const |
const Epetra_BlockMap & | Map () const |
const char * | Label () const |
Ifpack_DropFilter: Filter based on matrix entries.
Ifpack_DropFilter enables the dropping of all elements whose absolute value is below a specified threshold.
A typical use is as follows:
It is supposed that Ifpack_DropFilter is used on localized matrices.
Last modified: Oct-04.
Definition at line 81 of file Ifpack_DropFilter.h.