43 #ifndef IFPACK_RCMREORDERING_H 44 #define IFPACK_RCMREORDERING_H 46 #include "Ifpack_ConfigDefs.h" 47 #include "Ifpack_Reordering.h" 75 virtual int SetParameter(
const std::string Name,
const int Value);
78 virtual int SetParameter(
const std::string Name,
const double Value);
96 virtual int Reorder(
const int i)
const;
111 virtual std::ostream&
Print(std::ostream& os)
const;
133 std::vector<int> Reorder_;
135 std::vector<int> InvReorder_;
virtual int InvReorder(const int i) const
Returns the inverse reordered index of row i.
virtual std::ostream & Print(std::ostream &os) const
Prints basic information on iostream. This function is used by operator<<.
virtual int Compute(const Ifpack_Graph &Graph)
Computes all it is necessary to initialize the reordering object.
virtual int P(const Epetra_MultiVector &Xorig, Epetra_MultiVector &Xreord) const
Applies reordering to multivector X, whose local length equals the number of local rows...
Ifpack_Reordering: basic class for reordering for a Ifpack_Graph object.
Ifpack_RCMReordering: reverse Cuthill-McKee reordering.
virtual bool IsComputed() const
Returns true is the reordering object has been successfully initialized, false otherwise.
virtual int Reorder(const int i) const
Returns the reordered index of row i.
virtual int RootNode() const
Returns the root node.
virtual ~Ifpack_RCMReordering()
Destructor.
Ifpack_Graph: a pure virtual class that defines graphs for IFPACK.
virtual int SetParameters(Teuchos::ParameterList &List)
Sets all parameters.
virtual int NumMyRows() const
Returns the number of local rows.
virtual int SetParameter(const std::string Name, const int Value)
Sets integer parameters ‘Name’.
Ifpack_RCMReordering & operator=(const Ifpack_RCMReordering &RHS)
Assignment operator.
virtual int Pinv(const Epetra_MultiVector &Xorig, Epetra_MultiVector &Xinvreord) const
Applies inverse reordering to multivector X, whose local length equals the number of local rows...
Ifpack_RCMReordering()
Constructor for Ifpack_Graph's.