modif cmake configuration
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1277 331e1502-861f-0410-8da2-ba01fb791d7f
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branches/cmakemodif/paradiseo-peo/src/rmc/mpi/mess.cpp
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branches/cmakemodif/paradiseo-peo/src/rmc/mpi/mess.cpp
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/*
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* <mess.cpp>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
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* (C) OPAC Team, LIFL, 2002-2008
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*
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* Sebastien Cahon, Alexandru-Adrian Tantar, Clive Canape
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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#include <mpi.h>
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#include <vector>
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#include "mess.h"
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#include "../../core/peo_debug.h"
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#include "node.h"
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#define MPI_BUF_SIZE 1024*512
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static char mpi_buf [MPI_BUF_SIZE];
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static int pos_buf;
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static std :: vector <char *> act_buf; /* Active buffers */
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static std :: vector <MPI_Request *> act_req; /* Active requests */
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void initBuffers ()
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{
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pos_buf = 0;
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act_buf.clear ();
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act_req.clear ();
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}
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void cleanBuffers ()
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{
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for (unsigned i = 0; i < act_req.size ();)
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{
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MPI_Status stat ;
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int flag ;
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MPI_Test (act_req [i], & flag, & stat) ;
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if (flag)
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{
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delete[] act_buf [i] ;
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delete act_req [i] ;
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act_buf [i] = act_buf.back () ;
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act_buf.pop_back () ;
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act_req [i] = act_req.back () ;
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act_req.pop_back () ;
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}
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else
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i ++;
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}
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}
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void waitBuffers ()
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{
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// printDebugMessage ("waiting the termination of the asynchronous operations to complete");
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for (unsigned i = 0; i < act_req.size (); i ++)
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{
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MPI_Status stat ;
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MPI_Wait (act_req [i], & stat) ;
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delete[] act_buf [i] ;
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delete act_req [i] ;
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}
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}
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bool probeMessage (int & __src, int & __tag)
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{
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int flag;
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MPI_Status stat;
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MPI_Iprobe (MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, & flag, & stat);
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__src = stat.MPI_SOURCE;
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__tag = stat.MPI_TAG;
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return flag;
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}
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void waitMessage ()
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{
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MPI_Status stat;
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MPI_Probe (MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, & stat);
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}
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void initMessage ()
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{
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pos_buf = 0;
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}
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void sendMessage (int __to, int __tag)
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{
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cleanBuffers ();
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act_buf.push_back (new char [pos_buf]);
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act_req.push_back (new MPI_Request);
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memcpy (act_buf.back (), mpi_buf, pos_buf);
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MPI_Isend (act_buf.back (), pos_buf, MPI_PACKED, __to, __tag, MPI_COMM_WORLD, act_req.back ());
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}
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void sendMessageToAll (int __tag)
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{
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for (int i = 0; i < getNumberOfNodes (); i ++)
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sendMessage (i, __tag);
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}
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void receiveMessage (int __from, int __tag)
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{
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MPI_Status stat;
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MPI_Request req;
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MPI_Irecv (mpi_buf, MPI_BUF_SIZE, MPI_PACKED, __from, __tag, MPI_COMM_WORLD, & req);
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MPI_Wait (& req, & stat);
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}
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void synchronizeNodes ()
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{
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MPI_Barrier ( MPI_COMM_WORLD );
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}
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/* Char */
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void pack (const char & __c)
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{
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MPI_Pack ((void *) & __c, 1, MPI_CHAR, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Boolean */
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void pack (const bool & __b, int __nitem)
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{
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MPI_Pack ((void *) & __b, __nitem, MPI_INT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Float */
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void pack (const float & __f, int __nitem)
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{
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MPI_Pack ((void *) & __f, __nitem, MPI_FLOAT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Double */
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void pack (const double & __d, int __nitem)
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{
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MPI_Pack ((void *) & __d, __nitem, MPI_DOUBLE, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Integer */
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void pack (const int & __i, int __nitem)
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{
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MPI_Pack ((void *) & __i, __nitem, MPI_INT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Unsigned int. */
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void pack (const unsigned int & __ui, int __nitem)
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{
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MPI_Pack ((void *) & __ui, __nitem, MPI_UNSIGNED, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Short int. */
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void pack (const short & __sh, int __nitem)
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{
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MPI_Pack ((void *) & __sh, __nitem, MPI_SHORT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Unsigned short */
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void pack (const unsigned short & __ush, int __nitem)
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{
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MPI_Pack ((void *) & __ush, __nitem, MPI_UNSIGNED_SHORT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Long */
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void pack (const long & __l, int __nitem)
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{
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MPI_Pack ((void *) & __l, __nitem, MPI_LONG, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* Unsigned long */
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void pack (const unsigned long & __ul, int __nitem)
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{
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MPI_Pack ((void *) & __ul, __nitem, MPI_UNSIGNED_LONG, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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/* String */
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void pack (const char * __str)
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{
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int len = strlen (__str) + 1;
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MPI_Pack (& len, 1, MPI_INT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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MPI_Pack ((void *) __str, len, MPI_CHAR, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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}
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void pack (const std::string & __str)
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{
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size_t size = __str.size() + 1;
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char * buffer = new char[ size ];
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strncpy( buffer, __str.c_str(), size );
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pack (buffer);
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delete [] buffer;
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}
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/* Char */
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void unpack (char & __c)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __c, 1, MPI_CHAR, MPI_COMM_WORLD);
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}
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/* Boolean */
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extern void unpack (bool & __b, int __nitem )
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __b, __nitem, MPI_INT, MPI_COMM_WORLD);
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}
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/* Float */
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void unpack (float & __f, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __f, __nitem, MPI_FLOAT, MPI_COMM_WORLD);
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}
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/* Double */
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void unpack (double & __d, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __d, __nitem, MPI_DOUBLE, MPI_COMM_WORLD);
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}
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/* Integer */
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void unpack (int & __i, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __i, __nitem, MPI_INT, MPI_COMM_WORLD);
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}
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/* Unsigned int. */
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void unpack (unsigned int & __ui, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __ui, __nitem, MPI_UNSIGNED, MPI_COMM_WORLD);
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}
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/* Short int. */
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void unpack (short & __sh, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __sh, __nitem, MPI_SHORT, MPI_COMM_WORLD);
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}
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/* Unsigned short */
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void unpack (unsigned short & __ush, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __ush, __nitem, MPI_UNSIGNED_SHORT, MPI_COMM_WORLD);
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}
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/* Long */
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void unpack (long & __l, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __l, __nitem, MPI_LONG, MPI_COMM_WORLD);
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}
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/* Unsigned long */
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void unpack (unsigned long & __ul, int __nitem)
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{
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __ul, __nitem, MPI_UNSIGNED_LONG, MPI_COMM_WORLD);
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}
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/* String */
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void unpack (char * __str)
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{
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int len;
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & len, 1, MPI_INT, MPI_COMM_WORLD);
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, __str, len, MPI_CHAR, MPI_COMM_WORLD);
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}
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void unpack (std::string & __str)
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{
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char * buffer;
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int len;
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & len, 1, MPI_INT, MPI_COMM_WORLD);
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MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, buffer, len, MPI_CHAR, MPI_COMM_WORLD);
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__str.assign( buffer );
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}
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