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EpetraExt_ZoltanMpiCommData.h
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00001 
00002 //@HEADER
00003 // ***********************************************************************
00004 // 
00005 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
00006 //                 Copyright (2001) Sandia Corporation
00007 // 
00008 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 // license for use of this work by or on behalf of the U.S. Government.
00010 // 
00011 // This library is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Lesser General Public License as
00013 // published by the Free Software Foundation; either version 2.1 of the
00014 // License, or (at your option) any later version.
00015 //  
00016 // This library is distributed in the hope that it will be useful, but
00017 // WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 // Lesser General Public License for more details.
00020 //  
00021 // You should have received a copy of the GNU Lesser General Public
00022 // License along with this library; if not, write to the Free Software
00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 // USA
00025 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00026 // 
00027 // ***********************************************************************
00028 //@HEADER
00029 
00030 #ifndef EPETRAEXT_ZOLTANMPICOMMDATA_H
00031 #define EPETRAEXT_ZOLTANMPICOMMDATA_H
00032 
00033 #include "Epetra_Data.h"
00034 #include <mpi.h>
00035 
00036 namespace EpetraExt {
00037 
00039 
00044 class ZoltanMpiCommData : public Epetra_Data {
00045 
00046   friend class ZoltanMpiComm;
00047 
00048  private:
00049 
00051 
00053   ZoltanMpiCommData(MPI_Comm & Comm);
00054 
00056   ~ZoltanMpiCommData();
00057 
00059 
00060   MPI_Comm Comm_; 
00061 
00062   int rank_;
00063   int size_;
00064   enum {minTag_= 24050};
00065   enum {maxTag_= 24099};
00066 
00067   // Some day, when the Microsoft 6.0 C++ compiler disappears, we can use ANSI/ISO standard
00068   // declarations for minTag_ and maxTag_
00069   //static const int minTag_= 24050;
00070   //static const int maxTag_= 24099;
00071 
00072   mutable int curTag_;
00073 
00074   // these are intentionally declared but not defined. See Epetra Developer's Guide for details.
00075   ZoltanMpiCommData(const ZoltanMpiCommData & CommData);
00076   ZoltanMpiCommData& operator=(const ZoltanMpiCommData & CommData);
00077   
00078 };
00079 
00080 } //namespace EpetraExt
00081 
00082 #endif /* EPETRAEXT_ZOLTANMPICOMMDATA_H */
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