Ifpack_Partitioner.h

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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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#ifndef IFPACK_PARTITIONER_H
#define IFPACK_PARTITIONER_H

#include "Ifpack_ConfigDefs.h"
#include "Teuchos_ParameterList.hpp"
class Epetra_Comm;
class Ifpack_Graph;
class Epetra_Map;
class Epetra_BlockMap;
class Epetra_Import;


class Ifpack_Partitioner {

public:

  virtual ~Ifpack_Partitioner() {};

  virtual int NumLocalParts() const = 0;

  virtual int OverlappingLevel() const = 0;


  virtual int operator() (int MyRow) const = 0;

  virtual int operator() (int i, int j) const = 0;

  virtual int NumRowsInPart(const int Part) const = 0;
    
  virtual int RowsInPart(const int Part, int* List) const = 0;
  
  virtual const int* NonOverlappingPartition() const = 0;

  virtual int SetParameters(Teuchos::ParameterList& List) = 0;

  virtual int Compute() = 0;

  virtual bool IsComputed() = 0;

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

}; // class Ifpack_Partitioner

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

#endif // IFPACK_PARTITIONER_H