Ifpack_Graph.h

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//
//       Ifpack: Object-Oriented Algebraic Preconditioner Package
//                 Copyright (2002) Sandia Corporation
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#ifndef IFPACK_GRAPH_H
#define IFPACK_GRAPH_H
class Epetra_Comm;


#include "Epetra_ConfigDefs.h"

class Ifpack_Graph {

public:
    
  virtual ~Ifpack_Graph() {};

  virtual int NumMyRows() const = 0;

  virtual int NumMyCols() const = 0;

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES

  virtual int NumGlobalRows() const = 0;

  virtual int NumGlobalCols() const = 0;
#endif

  virtual long long NumGlobalRows64() const = 0;

  virtual long long NumGlobalCols64() const = 0;

  virtual int MaxMyNumEntries() const = 0;

  virtual int NumMyNonzeros() const = 0;

  virtual bool Filled() const = 0;

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES

  virtual int GRID(int) const = 0;

  virtual int GCID(int) const = 0;
#endif

  virtual long long GRID64(int) const = 0;

  virtual long long GCID64(int) const = 0;

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES

  virtual int LRID(int) const = 0;

  virtual int LCID(int) const = 0;
#endif

#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES

  virtual int LRID(long long) const = 0;

  virtual int LCID(long long) const = 0;
#endif

  virtual int ExtractMyRowCopy(int MyRow, int LenOfIndices, 
                   int &NumIndices, int *Indices) const = 0;

  virtual const Epetra_Comm& Comm() const = 0;

  virtual ostream& Print(std::ostream& os) const = 0;

};

inline ostream& operator<<(ostream& os, const Ifpack_Graph& obj)
{
  return(obj.Print(os));
}

#endif // iFPACK_GRAPH_H