43 #ifndef IFPACK_DROPFILTER_H
44 #define IFPACK_DROPFILTER_H
46 #include "Ifpack_ConfigDefs.h"
47 #include "Epetra_RowMatrix.h"
48 #include "Teuchos_RefCountPtr.hpp"
94 NumEntries = NumEntries_[MyRow];
101 return(MaxNumEntries_);
104 virtual int ExtractMyRowCopy(
int MyRow,
int Length,
int & NumEntries,
double *Values,
int * Indices)
const;
106 virtual int ExtractDiagonalCopy(
Epetra_Vector & Diagonal)
const;
111 virtual int Solve(
bool Upper,
bool Trans,
bool UnitDiagonal,
125 return(A_->LeftScale(x));
132 return(A_->RightScale(x));
135 virtual bool Filled()
const
137 return(A_->Filled());
140 virtual double NormInf()
const
145 virtual double NormOne()
const
150 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
151 virtual int NumGlobalNonzeros()
const
153 return(NumNonzeros_);
156 virtual int NumGlobalRows()
const
161 virtual int NumGlobalCols()
const
166 virtual int NumGlobalDiagonals()
const
172 virtual long long NumGlobalNonzeros64()
const
174 return(NumNonzeros_);
177 virtual long long NumGlobalRows64()
const
182 virtual long long NumGlobalCols64()
const
187 virtual long long NumGlobalDiagonals64()
const
192 virtual int NumMyNonzeros()
const
194 return(NumNonzeros_);
197 virtual int NumMyRows()
const
202 virtual int NumMyCols()
const
207 virtual int NumMyDiagonals()
const
212 virtual bool LowerTriangular()
const
217 virtual bool UpperTriangular()
const
222 virtual const Epetra_Map & RowMatrixRowMap()
const
224 return(A_->RowMatrixRowMap());
227 virtual const Epetra_Map & RowMatrixColMap()
const
229 return(A_->RowMatrixColMap());
234 return(A_->RowMatrixImporter());
237 int SetUseTranspose(
bool useTranspose)
239 return(A_->SetUseTranspose(useTranspose));
242 bool UseTranspose()
const
244 return(A_->UseTranspose());
247 bool HasNormInf()
const
259 return(A_->OperatorDomainMap());
264 return(A_->OperatorRangeMap());
272 const char* Label()
const{
279 Teuchos::RefCountPtr<Epetra_RowMatrix> A_;
291 mutable std::vector<int> Indices_;
293 mutable std::vector<double> Values_;
296 std::vector<int> NumEntries_;
virtual int MaxNumEntries() const
Returns the maximum number of entries.
Ifpack_DropFilter: Filter based on matrix entries.
virtual int NumMyRowEntries(int MyRow, int &NumEntries) const
Returns the number of entries in MyRow.
virtual ~Ifpack_DropFilter()
Destructor.
Ifpack_DropFilter(const Teuchos::RefCountPtr< Epetra_RowMatrix > &Matrix, double DropTol)
Constructor.