43 #ifndef IFPACK_DIAGONALFILTER_H
44 #define IFPACK_DIAGONALFILTER_H
46 #if defined(Ifpack_SHOW_DEPRECATED_WARNINGS)
48 #warning "The Ifpack package is deprecated"
52 #include "Ifpack_ConfigDefs.h"
53 #include "Epetra_ConfigDefs.h"
54 #include "Epetra_RowMatrix.h"
55 #include "Epetra_Time.h"
56 #include "Teuchos_RefCountPtr.hpp"
91 double AbsoluteThreshold,
92 double RelativeThreshold);
100 return(A_->NumMyRowEntries(MyRow, NumEntries));
106 return(A_->MaxNumEntries());
109 inline virtual int ExtractMyRowCopy(
int MyRow,
int Length,
int& NumEntries,
110 double* Values,
int* Indices)
const;
112 virtual int ExtractDiagonalCopy(
Epetra_Vector & Diagonal)
const
114 int ierr = A_->ExtractDiagonalCopy(Diagonal);
121 virtual int Solve(
bool ,
bool ,
bool ,
131 int ierr = Multiply(UseTranspose(),X,Y);
148 return(A_->LeftScale(x));
158 return(A_->RightScale(x));
161 virtual bool Filled()
const
163 return(A_->Filled());
178 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
179 virtual int NumGlobalNonzeros()
const
181 return(A_->NumGlobalNonzeros());
184 virtual int NumGlobalRows()
const
186 return(A_->NumGlobalRows());
189 virtual int NumGlobalCols()
const
191 return(A_->NumGlobalCols());
194 virtual int NumGlobalDiagonals()
const
196 return(A_->NumGlobalDiagonals());
200 virtual long long NumGlobalNonzeros64()
const
202 return(A_->NumGlobalNonzeros64());
205 virtual long long NumGlobalRows64()
const
207 return(A_->NumGlobalRows64());
210 virtual long long NumGlobalCols64()
const
212 return(A_->NumGlobalCols64());
215 virtual long long NumGlobalDiagonals64()
const
217 return(A_->NumGlobalDiagonals64());
220 virtual int NumMyNonzeros()
const
222 return(A_->NumMyNonzeros());
225 virtual int NumMyRows()
const
227 return(A_->NumMyRows());
230 virtual int NumMyCols()
const
232 return(A_->NumMyCols());
235 virtual int NumMyDiagonals()
const
237 return(A_->NumMyDiagonals());
240 virtual bool LowerTriangular()
const
242 return(A_->LowerTriangular());
245 virtual bool UpperTriangular()
const
247 return(A_->UpperTriangular());
250 virtual const Epetra_Map& RowMatrixRowMap()
const
252 return(A_->RowMatrixRowMap());
255 virtual const Epetra_Map& RowMatrixColMap()
const
257 return(A_->RowMatrixColMap());
262 return(A_->RowMatrixImporter());
265 int SetUseTranspose(
bool UseTranspose_in)
267 return(A_->SetUseTranspose(UseTranspose_in));
270 bool UseTranspose()
const
272 return(A_->UseTranspose());
288 return(A_->OperatorDomainMap());
293 return(A_->OperatorRangeMap());
301 const char* Label()
const{
308 Teuchos::RefCountPtr<Epetra_RowMatrix> A_;
310 double AbsoluteThreshold_;
312 double RelativeThreshold_;
314 std::vector<int> pos_;
316 std::vector<double> val_;
virtual double NormInf() const
Not implemented for efficiency reasons.
Ifpack_DiagonalFilter: Filter to modify the diagonal entries of a given Epetra_RowMatrix.
virtual int MaxNumEntries() const
Returns the maximum number of entries.
virtual ~Ifpack_DiagonalFilter()
Destructor.
virtual int NumMyRowEntries(int MyRow, int &NumEntries) const
Returns the number of entries in MyRow.
Ifpack_DiagonalFilter(const Teuchos::RefCountPtr< Epetra_RowMatrix > &Matrix, double AbsoluteThreshold, double RelativeThreshold)
Constructor.
bool HasNormInf() const
Not implemented for efficiency reasons.
virtual double NormOne() const
Not implemented for efficiency reasons.