IFPACK Development
Ifpack_Reordering.h
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00004 //       Ifpack: Object-Oriented Algebraic Preconditioner Package
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00042 
00043 #ifndef IFPACK_REORDERING_H
00044 #define IFPACK_REORDERING_H
00045 
00046 #include "Ifpack_ConfigDefs.h"
00047 
00048 namespace Teuchos {
00049   class ParameterList;
00050 }
00051 class Epetra_MultiVector;
00052 class Ifpack_Graph;
00053 class Epetra_RowMatrix;
00054 
00056 
00101 class Ifpack_Reordering {
00102 
00103 public:
00104 
00106   virtual ~Ifpack_Reordering() {};
00107   
00109   virtual int SetParameter(const string Name, const int Value) = 0;
00110  
00112   virtual int SetParameter(const string Name, const double Value) = 0;
00113 
00115   virtual int SetParameters(Teuchos::ParameterList& List) = 0;
00116 
00118   virtual int Compute(const Ifpack_Graph& Graph) = 0;
00119 
00121   virtual int Compute(const Epetra_RowMatrix& Matrix) = 0;
00122 
00124   virtual bool IsComputed() const = 0;
00125 
00127   virtual int Reorder(const int i) const = 0;
00128 
00130   virtual int InvReorder(const int i) const = 0;
00131 
00133   virtual int P(const Epetra_MultiVector& Xorig,
00134         Epetra_MultiVector& X) const = 0;
00135 
00137   virtual int Pinv(const Epetra_MultiVector& Xorig,
00138            Epetra_MultiVector& X) const = 0;
00139 
00141   virtual ostream& Print(std::ostream& os) const = 0;
00142 
00143 }; 
00144 
00145 inline ostream& operator<<(ostream& os, const Ifpack_Reordering& obj)
00146 {
00147   return(obj.Print(os));
00148 }
00149 
00150 #endif
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