Epetra_LinearProblemRedistor.h

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//               Epetra: Linear Algebra Services Package
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#ifndef EPETRA_LINEARPROBLEMREDISTOR_H
#define EPETRA_LINEARPROBLEMREDISTOR_H

class Epetra_Map;
class Epetra_Export;
class Epetra_LinearProblem;
class Epetra_RowMatrixTransposer;


class EPETRA_LIB_DLL_EXPORT Epetra_LinearProblemRedistor {

  public:



  Epetra_LinearProblemRedistor(Epetra_LinearProblem * OrigProblem, const Epetra_Map & RedistMap);


  Epetra_LinearProblemRedistor(Epetra_LinearProblem * OrigProblem, int NumProc, bool Replicate);


  Epetra_LinearProblemRedistor(const Epetra_LinearProblemRedistor& Source);


  virtual ~Epetra_LinearProblemRedistor();




  int CreateRedistProblem(const bool ConstructTranspose, const bool MakeDataContiguous,
                          Epetra_LinearProblem *& RedistProblem);

  

  int UpdateRedistProblemValues(Epetra_LinearProblem * ProblemWithNewValues);


  int UpdateRedistRHS(Epetra_MultiVector * RHSWithNewValues);



  int UpdateOriginalLHS(Epetra_MultiVector * LHS);



  const Epetra_Map & RedistMap() const {return(*RedistMap_);};


  const Epetra_Export & RedistExporter()  const {return(*RedistExporter_);};




  int ExtractHbData(int & M, int & N, int & nz, int * & ptr, int * & ind,
                    double * & val, int & Nrhs, double * & rhs, int & ldrhs,
                                                double * & lhs, int & ldlhs) const;



  virtual void Print(std::ostream & os) const;

 private:
  int GenerateRedistMap();

  Epetra_LinearProblem * OrigProblem_;
  int NumProc_;
  Epetra_LinearProblem * RedistProblem_;
  Epetra_Map * RedistMap_;
  Epetra_RowMatrixTransposer * Transposer_;
  Epetra_Export * RedistExporter_;

  bool Replicate_;
  bool ConstructTranspose_;
  bool MakeDataContiguous_;
  bool MapGenerated_;
  bool RedistProblemCreated_;

  mutable int * ptr_;
    

};

#endif /* EPETRA_LINEARPROBLEMREDISTOR_H */