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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. More... | |
virtual | ~Ifpack_DropFilter () |
Destructor. More... | |
virtual int | NumMyRowEntries (int MyRow, int &NumEntries) const |
Returns the number of entries in MyRow. More... | |
virtual int | MaxNumEntries () const |
Returns the maximum number of entries. More... | |
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 |
Private Attributes | |
Teuchos::RefCountPtr < Epetra_RowMatrix > | A_ |
Pointer to the matrix to be preconditioned. More... | |
double | DropTol_ |
Drop tolerance. More... | |
int | MaxNumEntries_ |
Maximum entries in each row. More... | |
int | MaxNumEntriesA_ |
int | NumRows_ |
int | NumNonzeros_ |
Number of nonzeros for the dropped matrix. More... | |
std::vector< int > | Indices_ |
Used in ExtractMyRowCopy, to avoid allocation each time. More... | |
std::vector< double > | Values_ |
Used in ExtractMyRowCopy, to avoid allocation each time. More... | |
char | Label_ [80] |
Label for this object. More... | |
std::vector< int > | NumEntries_ |
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.
Ifpack_DropFilter::Ifpack_DropFilter | ( | const Teuchos::RefCountPtr< Epetra_RowMatrix > & | Matrix, |
double | DropTol | ||
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Constructor.
Definition at line 53 of file Ifpack_DropFilter.cpp.
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inlinevirtual |
Destructor.
Definition at line 89 of file Ifpack_DropFilter.h.
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inlinevirtual |
Returns the number of entries in MyRow.
Implements Epetra_RowMatrix.
Definition at line 92 of file Ifpack_DropFilter.h.
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inlinevirtual |
Returns the maximum number of entries.
Implements Epetra_RowMatrix.
Definition at line 99 of file Ifpack_DropFilter.h.
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Implements Epetra_RowMatrix.
Definition at line 102 of file Ifpack_DropFilter.cpp.
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Implements Epetra_RowMatrix.
Definition at line 137 of file Ifpack_DropFilter.cpp.
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Implements Epetra_RowMatrix.
Definition at line 145 of file Ifpack_DropFilter.cpp.
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Implements Epetra_RowMatrix.
Definition at line 187 of file Ifpack_DropFilter.cpp.
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Implements Epetra_Operator.
Definition at line 195 of file Ifpack_DropFilter.cpp.
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Implements Epetra_Operator.
Definition at line 203 of file Ifpack_DropFilter.cpp.
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Implements Epetra_RowMatrix.
Definition at line 209 of file Ifpack_DropFilter.cpp.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 123 of file Ifpack_DropFilter.h.
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Implements Epetra_RowMatrix.
Definition at line 215 of file Ifpack_DropFilter.cpp.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 130 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 135 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 140 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 145 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 151 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 156 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 161 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 166 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 172 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 177 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 182 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 187 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 192 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 197 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 202 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 207 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 212 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 217 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 222 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 227 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_RowMatrix.
Definition at line 232 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 237 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 242 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 247 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 252 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 257 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 262 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_SrcDistObject.
Definition at line 267 of file Ifpack_DropFilter.h.
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inlinevirtual |
Implements Epetra_Operator.
Definition at line 272 of file Ifpack_DropFilter.h.
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private |
Pointer to the matrix to be preconditioned.
Definition at line 279 of file Ifpack_DropFilter.h.
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private |
Drop tolerance.
Definition at line 281 of file Ifpack_DropFilter.h.
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Maximum entries in each row.
Definition at line 283 of file Ifpack_DropFilter.h.
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Definition at line 284 of file Ifpack_DropFilter.h.
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Definition at line 285 of file Ifpack_DropFilter.h.
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Number of nonzeros for the dropped matrix.
Definition at line 288 of file Ifpack_DropFilter.h.
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mutableprivate |
Used in ExtractMyRowCopy, to avoid allocation each time.
Definition at line 291 of file Ifpack_DropFilter.h.
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mutableprivate |
Used in ExtractMyRowCopy, to avoid allocation each time.
Definition at line 293 of file Ifpack_DropFilter.h.
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private |
Label for this
object.
Definition at line 295 of file Ifpack_DropFilter.h.
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private |
Definition at line 296 of file Ifpack_DropFilter.h.