EpetraExt_RestrictedCrsMatrixWrapper.h

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#ifndef EPETRAEXT_RESTRICTEDCRSMATRIXWRAPPER_H
#define EPETRAEXT_RESTRICTEDCRSMATRIXWRAPPER_H
#include <EpetraExt_ConfigDefs.h>
#include <Teuchos_RCP.hpp>
#include <mpi.h>

#ifdef HAVE_MPI
class Epetra_Comm;
class Epetra_MpiComm;
class Epetra_Map;
class Epetra_CrsMatrix;

namespace EpetraExt {
class RestrictedCrsMatrixWrapper{
  
public:
  RestrictedCrsMatrixWrapper();
  
  ~RestrictedCrsMatrixWrapper();
    

  int SetMPISubComm(MPI_Comm MPI_SubComm);

  MPI_Comm GetMPISubComm(){return MPI_SubComm_;}

  const Epetra_MpiComm & RestrictedComm(){return *RestrictedComm_;}    

  bool RestrictedProcIsActive(){return proc_is_active;}

  Teuchos::RCP<Epetra_CrsMatrix> InputMatrix(){return input_matrix_;}

  Teuchos::RCP<Epetra_CrsMatrix> RestrictedMatrix(){return restricted_matrix_;}


  int restrict_comm(Teuchos::RCP<Epetra_CrsMatrix> input_matrix);

private:
  bool proc_is_active;
  bool subcomm_is_set;
  
  MPI_Comm MPI_SubComm_;
  Epetra_MpiComm *RestrictedComm_;       
  Epetra_Map *ResRowMap_;
  Epetra_Map *ResColMap_;

  Teuchos::RCP<Epetra_CrsMatrix> input_matrix_;
  Teuchos::RCP<Epetra_CrsMatrix> restricted_matrix_;  

  template<typename int_type>
  int Trestrict_comm(Teuchos::RCP<Epetra_CrsMatrix> input_matrix);
};


} // namespace EpetraExt


#endif
#endif /* EPETRAEXT_RESTRICTEDCRSMATRIXWRAPPER_H */