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EpetraExt_RestrictedMultiVectorWrapper.h
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00001 //@HEADER
00002 // ***********************************************************************
00003 // 
00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
00005 //                 Copyright (2001) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 //@HEADER
00028 
00029 #ifndef EPETRAEXT_RESTRICTEDMULTIVECTORWRAPPER_H
00030 #define EPETRAEXT_RESTRICTEDMULTIVECTORWRAPPER_H
00031 #include <EpetraExt_ConfigDefs.h>
00032 #include <Teuchos_RCP.hpp>
00033 #include <mpi.h>
00034 
00035 #ifdef HAVE_MPI
00036 class Epetra_Comm;
00037 class Epetra_MpiComm;
00038 class Epetra_BlockMap;
00039 class Epetra_MultiVector;
00040 
00041 namespace EpetraExt {
00042 class RestrictedMultiVectorWrapper{
00043   
00044 public:
00045   RestrictedMultiVectorWrapper();
00046   
00047   ~RestrictedMultiVectorWrapper();
00048     
00050 
00054   int SetMPISubComm(MPI_Comm MPI_SubComm);
00055 
00057   MPI_Comm GetMPISubComm(){return MPI_SubComm_;}
00058 
00060   const Epetra_MpiComm & RestrictedComm(){return *RestrictedComm_;}    
00061 
00063   bool RestrictedProcIsActive(){return proc_is_active;}
00064 
00066   Teuchos::RCP<Epetra_MultiVector> InputMultiVector(){return input_mv_;}
00067 
00069   Teuchos::RCP<Epetra_MultiVector> RestrictedMultiVector(){return restricted_mv_;}
00070 
00072 
00081   int restrict_comm(Teuchos::RCP<Epetra_MultiVector> input_mv);
00082 
00083 private:
00084   bool proc_is_active;
00085   bool subcomm_is_set;
00086   
00087   MPI_Comm MPI_SubComm_;
00088   Epetra_MpiComm *RestrictedComm_;
00089   Epetra_BlockMap *ResMap_;
00090   
00091   Teuchos::RCP<Epetra_MultiVector> input_mv_;
00092   Teuchos::RCP<Epetra_MultiVector> restricted_mv_;
00093 
00094 };
00095 
00096 
00097 } // namespace EpetraExt
00098 
00099 
00100 #endif
00101 #endif /* EPETRAEXT_RESTRICTEDMULTIVECTORWRAPPER_H */
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