Ifpack_Container.h

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

class Epetra_RowMatrix;
class Ifpack_Partitioner;
namespace Teuchos {
  class ParameterList;
}


class Ifpack_Container {

public:

  virtual ~Ifpack_Container() {};

  virtual int NumRows() const = 0;

  virtual int NumVectors() const = 0;

  virtual int SetNumVectors(const int i) = 0;

  virtual double& LHS(const int i, const int Vector = 0) = 0;
  
  virtual double& RHS(const int i, const int Vector = 0) = 0;


  virtual int& ID(const int i) = 0;

  virtual int SetMatrixElement(const int row, const int col,
                   const double value) = 0;

  virtual int Initialize() = 0;

  virtual int Compute(const Epetra_RowMatrix& A) = 0;

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

  virtual bool IsInitialized() const = 0;

  virtual bool IsComputed() const = 0;

  virtual int Apply() = 0;

  virtual int ApplyInverse() = 0;

  virtual const char* Label() const = 0;

  virtual double InitializeFlops() const = 0;

  virtual double ComputeFlops() const = 0;

  virtual double ApplyFlops() const = 0;

  virtual double ApplyInverseFlops() const = 0;

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

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

#endif // IFPACK_CONTAINER_H