39cd826ea3
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@661 331e1502-861f-0410-8da2-ba01fb791d7f
294 lines
21 KiB
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294 lines
21 KiB
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<title>ParadisEO-PEOMovingObjects: mess.cpp Source File</title>
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<h1>mess.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* </span>
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<a name="l00002"></a>00002 <span class="comment">* <mess.cpp></span>
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<a name="l00003"></a>00003 <span class="comment">* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007</span>
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<a name="l00004"></a>00004 <span class="comment">* (C) OPAC Team, LIFL, 2002-2007</span>
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<a name="l00005"></a>00005 <span class="comment">*</span>
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<a name="l00006"></a>00006 <span class="comment">* Sebastien Cahon, Alexandru-Adrian Tantar</span>
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<a name="l00007"></a>00007 <span class="comment">*</span>
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<a name="l00008"></a>00008 <span class="comment">* This software is governed by the CeCILL license under French law and</span>
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<a name="l00009"></a>00009 <span class="comment">* abiding by the rules of distribution of free software. You can use,</span>
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<a name="l00010"></a>00010 <span class="comment">* modify and/ or redistribute the software under the terms of the CeCILL</span>
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<a name="l00011"></a>00011 <span class="comment">* license as circulated by CEA, CNRS and INRIA at the following URL</span>
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<a name="l00012"></a>00012 <span class="comment">* "http://www.cecill.info".</span>
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<a name="l00013"></a>00013 <span class="comment">*</span>
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<a name="l00014"></a>00014 <span class="comment">* As a counterpart to the access to the source code and rights to copy,</span>
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<a name="l00015"></a>00015 <span class="comment">* modify and redistribute granted by the license, users are provided only</span>
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<a name="l00016"></a>00016 <span class="comment">* with a limited warranty and the software's author, the holder of the</span>
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<a name="l00017"></a>00017 <span class="comment">* economic rights, and the successive licensors have only limited liability.</span>
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<a name="l00018"></a>00018 <span class="comment">*</span>
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<a name="l00019"></a>00019 <span class="comment">* In this respect, the user's attention is drawn to the risks associated</span>
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<a name="l00020"></a>00020 <span class="comment">* with loading, using, modifying and/or developing or reproducing the</span>
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<a name="l00021"></a>00021 <span class="comment">* software by the user in light of its specific status of free software,</span>
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<a name="l00022"></a>00022 <span class="comment">* that may mean that it is complicated to manipulate, and that also</span>
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<a name="l00023"></a>00023 <span class="comment">* therefore means that it is reserved for developers and experienced</span>
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<a name="l00024"></a>00024 <span class="comment">* professionals having in-depth computer knowledge. Users are therefore</span>
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<a name="l00025"></a>00025 <span class="comment">* encouraged to load and test the software's suitability as regards their</span>
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<a name="l00026"></a>00026 <span class="comment">* requirements in conditions enabling the security of their systems and/or</span>
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<a name="l00027"></a>00027 <span class="comment">* data to be ensured and, more generally, to use and operate it in the</span>
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<a name="l00028"></a>00028 <span class="comment">* same conditions as regards security.</span>
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<a name="l00029"></a>00029 <span class="comment">* The fact that you are presently reading this means that you have had</span>
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<a name="l00030"></a>00030 <span class="comment">* knowledge of the CeCILL license and that you accept its terms.</span>
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<a name="l00031"></a>00031 <span class="comment">*</span>
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<a name="l00032"></a>00032 <span class="comment">* ParadisEO WebSite : http://paradiseo.gforge.inria.fr</span>
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<a name="l00033"></a>00033 <span class="comment">* Contact: paradiseo-help@lists.gforge.inria.fr</span>
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<a name="l00034"></a>00034 <span class="comment">*</span>
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<a name="l00035"></a>00035 <span class="comment">*/</span>
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<a name="l00036"></a>00036
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<a name="l00037"></a>00037 <span class="preprocessor">#include <mpi.h></span>
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<a name="l00038"></a>00038 <span class="preprocessor">#include <vector></span>
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040 <span class="preprocessor">#include "mess.h"</span>
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<a name="l00041"></a>00041 <span class="preprocessor">#include "../../core/peo_debug.h"</span>
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<a name="l00042"></a>00042 <span class="preprocessor">#include "node.h"</span>
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="preprocessor">#define MPI_BUF_SIZE 1024*64</span>
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<a name="l00045"></a>00045 <span class="preprocessor"></span>
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<a name="l00046"></a>00046 <span class="keyword">static</span> <span class="keywordtype">char</span> mpi_buf [MPI_BUF_SIZE];
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048 <span class="keyword">static</span> <span class="keywordtype">int</span> pos_buf ;
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 <span class="keyword">static</span> std :: vector <char *> act_buf; <span class="comment">/* Active buffers */</span>
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052 <span class="keyword">static</span> std :: vector <MPI_Request *> act_req; <span class="comment">/* Active requests */</span>
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 <span class="keywordtype">void</span> cleanBuffers () {
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<a name="l00055"></a>00055
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<a name="l00056"></a>00056 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < act_req.size ();) {
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058 MPI_Status stat ;
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<a name="l00059"></a>00059 <span class="keywordtype">int</span> flag ;
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<a name="l00060"></a>00060 MPI_Test (act_req [i], & flag, & stat) ;
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<a name="l00061"></a>00061 <span class="keywordflow">if</span> (flag) {
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063 <span class="keyword">delete</span> act_buf [i] ;
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<a name="l00064"></a>00064 <span class="keyword">delete</span> act_req [i] ;
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 act_buf [i] = act_buf.back () ;
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<a name="l00067"></a>00067 act_buf.pop_back () ;
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<a name="l00068"></a>00068
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<a name="l00069"></a>00069 act_req [i] = act_req.back () ;
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<a name="l00070"></a>00070 act_req.pop_back () ;
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<a name="l00071"></a>00071 }
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<a name="l00072"></a>00072 <span class="keywordflow">else</span>
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<a name="l00073"></a>00073 i ++;
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<a name="l00074"></a>00074 }
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<a name="l00075"></a>00075 }
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<a name="l00076"></a>00076
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<a name="l00077"></a>00077 <span class="keywordtype">void</span> waitBuffers () {
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<a name="l00078"></a>00078
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<a name="l00079"></a>00079 printDebugMessage (<span class="stringliteral">"waiting the termination of the asynchronous operations to complete"</span>);
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<a name="l00080"></a>00080
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<a name="l00081"></a>00081 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < act_req.size (); i ++) {
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083 MPI_Status stat ;
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<a name="l00084"></a>00084
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<a name="l00085"></a>00085 MPI_Wait (act_req [i], & stat) ;
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<a name="l00086"></a>00086
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<a name="l00087"></a>00087 <span class="keyword">delete</span> act_buf [i] ;
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<a name="l00088"></a>00088 <span class="keyword">delete</span> act_req [i] ;
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<a name="l00089"></a>00089 }
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<a name="l00090"></a>00090 }
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<a name="l00091"></a>00091
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<a name="l00092"></a>00092 <span class="keywordtype">bool</span> probeMessage (<span class="keywordtype">int</span> & __src, <span class="keywordtype">int</span> & __tag) {
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<a name="l00093"></a>00093
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<a name="l00094"></a>00094 <span class="keywordtype">int</span> flag;
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<a name="l00095"></a>00095
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<a name="l00096"></a>00096 MPI_Status stat;
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<a name="l00097"></a>00097
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<a name="l00098"></a>00098 MPI_Iprobe (MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, & flag, & stat);
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<a name="l00099"></a>00099
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<a name="l00100"></a>00100 __src = stat.MPI_SOURCE;
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<a name="l00101"></a>00101 __tag = stat.MPI_TAG;
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<a name="l00102"></a>00102
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<a name="l00103"></a>00103 <span class="keywordflow">return</span> flag;
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<a name="l00104"></a>00104 }
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<a name="l00105"></a>00105
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<a name="l00106"></a>00106 <span class="keywordtype">void</span> waitMessage () {
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<a name="l00107"></a>00107
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<a name="l00108"></a>00108 MPI_Status stat;
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<a name="l00109"></a>00109
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<a name="l00110"></a>00110 MPI_Probe (MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, & stat);
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<a name="l00111"></a>00111 }
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<a name="l00112"></a>00112
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<a name="l00113"></a>00113 <span class="keywordtype">void</span> initMessage () {
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<a name="l00114"></a>00114
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<a name="l00115"></a>00115 pos_buf = 0;
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<a name="l00116"></a>00116 }
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<a name="l00117"></a>00117
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<a name="l00118"></a>00118 <span class="keywordtype">void</span> sendMessage (<span class="keywordtype">int</span> __to, <span class="keywordtype">int</span> __tag) {
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<a name="l00119"></a>00119
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<a name="l00120"></a>00120 cleanBuffers ();
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<a name="l00121"></a>00121 act_buf.push_back (<span class="keyword">new</span> <span class="keywordtype">char</span> [pos_buf]);
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<a name="l00122"></a>00122 act_req.push_back (<span class="keyword">new</span> MPI_Request);
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<a name="l00123"></a>00123 memcpy (act_buf.back (), mpi_buf, pos_buf);
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<a name="l00124"></a>00124 MPI_Isend (act_buf.back (), pos_buf, MPI_PACKED, __to, __tag, MPI_COMM_WORLD, act_req.back ());
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<a name="l00125"></a>00125 }
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<a name="l00126"></a>00126
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<a name="l00127"></a>00127 <span class="keywordtype">void</span> sendMessageToAll (<span class="keywordtype">int</span> __tag) {
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<a name="l00128"></a>00128
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<a name="l00129"></a>00129 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < getNumberOfNodes (); i ++)
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<a name="l00130"></a>00130 sendMessage (i, __tag);
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<a name="l00131"></a>00131 }
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<a name="l00132"></a>00132
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<a name="l00133"></a>00133 <span class="keywordtype">void</span> receiveMessage (<span class="keywordtype">int</span> __from, <span class="keywordtype">int</span> __tag) {
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<a name="l00134"></a>00134
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<a name="l00135"></a>00135 MPI_Status stat;
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<a name="l00136"></a>00136 MPI_Request req;
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<a name="l00137"></a>00137
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<a name="l00138"></a>00138 MPI_Irecv (mpi_buf, MPI_BUF_SIZE, MPI_PACKED, __from, __tag, MPI_COMM_WORLD, & req) ;
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<a name="l00139"></a>00139 MPI_Wait (& req, & stat) ;
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<a name="l00140"></a>00140 }
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<a name="l00141"></a>00141
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<a name="l00142"></a>00142 <span class="comment">/* Char */</span>
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<a name="l00143"></a>00143 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">char</span> & __c) {
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<a name="l00144"></a>00144
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<a name="l00145"></a>00145 MPI_Pack ((<span class="keywordtype">void</span> *) & __c, 1, MPI_CHAR, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00146"></a>00146 }
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<a name="l00147"></a>00147
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<a name="l00148"></a>00148 <span class="comment">/* Float */</span>
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<a name="l00149"></a>00149 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">float</span> & __f, <span class="keywordtype">int</span> __nitem) {
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<a name="l00150"></a>00150
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<a name="l00151"></a>00151 MPI_Pack ((<span class="keywordtype">void</span> *) & __f, __nitem, MPI_FLOAT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00152"></a>00152 }
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<a name="l00153"></a>00153
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<a name="l00154"></a>00154 <span class="comment">/* Double */</span>
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<a name="l00155"></a>00155 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">double</span> & __d, <span class="keywordtype">int</span> __nitem) {
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<a name="l00156"></a>00156
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<a name="l00157"></a>00157 MPI_Pack ((<span class="keywordtype">void</span> *) & __d, __nitem, MPI_DOUBLE, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00158"></a>00158 }
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<a name="l00159"></a>00159
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<a name="l00160"></a>00160 <span class="comment">/* Integer */</span>
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<a name="l00161"></a>00161 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">int</span> & __i, <span class="keywordtype">int</span> __nitem) {
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<a name="l00162"></a>00162
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<a name="l00163"></a>00163 MPI_Pack ((<span class="keywordtype">void</span> *) & __i, __nitem, MPI_INT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00164"></a>00164 }
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<a name="l00165"></a>00165
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<a name="l00166"></a>00166 <span class="comment">/* Unsigned int. */</span>
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<a name="l00167"></a>00167 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> & __ui, <span class="keywordtype">int</span> __nitem) {
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<a name="l00168"></a>00168
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<a name="l00169"></a>00169 MPI_Pack ((<span class="keywordtype">void</span> *) & __ui, __nitem, MPI_UNSIGNED, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00170"></a>00170 }
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<a name="l00171"></a>00171
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<a name="l00172"></a>00172 <span class="comment">/* Short int. */</span>
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<a name="l00173"></a>00173 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">short</span> & __sh, <span class="keywordtype">int</span> __nitem) {
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<a name="l00174"></a>00174
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<a name="l00175"></a>00175 MPI_Pack ((<span class="keywordtype">void</span> *) & __sh, __nitem, MPI_SHORT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00176"></a>00176 }
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<a name="l00177"></a>00177
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<a name="l00178"></a>00178 <span class="comment">/* Unsigned short */</span>
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<a name="l00179"></a>00179 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> & __ush, <span class="keywordtype">int</span> __nitem) {
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<a name="l00180"></a>00180
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<a name="l00181"></a>00181 MPI_Pack ((<span class="keywordtype">void</span> *) & __ush, __nitem, MPI_UNSIGNED_SHORT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00182"></a>00182 }
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<a name="l00183"></a>00183
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<a name="l00184"></a>00184 <span class="comment">/* Long */</span>
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<a name="l00185"></a>00185 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">long</span> & __l, <span class="keywordtype">int</span> __nitem) {
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<a name="l00186"></a>00186
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<a name="l00187"></a>00187 MPI_Pack ((<span class="keywordtype">void</span> *) & __l, __nitem, MPI_LONG, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00188"></a>00188 }
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<a name="l00189"></a>00189
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<a name="l00190"></a>00190 <span class="comment">/* Unsigned long */</span>
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<a name="l00191"></a>00191 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> & __ul, <span class="keywordtype">int</span> __nitem) {
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<a name="l00192"></a>00192
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<a name="l00193"></a>00193 MPI_Pack ((<span class="keywordtype">void</span> *) & __ul, __nitem, MPI_UNSIGNED_LONG, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00194"></a>00194 }
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<a name="l00195"></a>00195
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<a name="l00196"></a>00196 <span class="comment">/* String */</span>
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<a name="l00197"></a>00197 <span class="keywordtype">void</span> pack (<span class="keyword">const</span> <span class="keywordtype">char</span> * __str) {
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<a name="l00198"></a>00198
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<a name="l00199"></a>00199 <span class="keywordtype">int</span> len = strlen (__str) + 1;
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<a name="l00200"></a>00200 MPI_Pack (& len, 1, MPI_INT, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00201"></a>00201 MPI_Pack ((<span class="keywordtype">void</span> *) __str, len, MPI_CHAR, mpi_buf, MPI_BUF_SIZE, & pos_buf, MPI_COMM_WORLD);
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<a name="l00202"></a>00202 }
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<a name="l00203"></a>00203
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<a name="l00204"></a>00204 <span class="comment">/* Char */</span>
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<a name="l00205"></a>00205 <span class="keywordtype">void</span> unpack (<span class="keywordtype">char</span> & __c) {
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<a name="l00206"></a>00206
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<a name="l00207"></a>00207 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __c, 1, MPI_CHAR, MPI_COMM_WORLD);
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<a name="l00208"></a>00208 }
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<a name="l00209"></a>00209
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<a name="l00210"></a>00210 <span class="comment">/* Float */</span>
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<a name="l00211"></a>00211 <span class="keywordtype">void</span> unpack (<span class="keywordtype">float</span> & __f, <span class="keywordtype">int</span> __nitem) {
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<a name="l00212"></a>00212
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<a name="l00213"></a>00213 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __f, __nitem, MPI_FLOAT, MPI_COMM_WORLD);
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<a name="l00214"></a>00214 }
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<a name="l00215"></a>00215
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<a name="l00216"></a>00216 <span class="comment">/* Double */</span>
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<a name="l00217"></a>00217 <span class="keywordtype">void</span> unpack (<span class="keywordtype">double</span> & __d, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00218"></a>00218
|
|
<a name="l00219"></a>00219 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __d, __nitem, MPI_DOUBLE, MPI_COMM_WORLD);
|
|
<a name="l00220"></a>00220 }
|
|
<a name="l00221"></a>00221
|
|
<a name="l00222"></a>00222 <span class="comment">/* Integer */</span>
|
|
<a name="l00223"></a>00223 <span class="keywordtype">void</span> unpack (<span class="keywordtype">int</span> & __i, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00224"></a>00224
|
|
<a name="l00225"></a>00225 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __i, __nitem, MPI_INT, MPI_COMM_WORLD);
|
|
<a name="l00226"></a>00226 }
|
|
<a name="l00227"></a>00227
|
|
<a name="l00228"></a>00228 <span class="comment">/* Unsigned int. */</span>
|
|
<a name="l00229"></a>00229 <span class="keywordtype">void</span> unpack (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> & __ui, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00230"></a>00230
|
|
<a name="l00231"></a>00231 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __ui, __nitem, MPI_UNSIGNED, MPI_COMM_WORLD);
|
|
<a name="l00232"></a>00232 }
|
|
<a name="l00233"></a>00233
|
|
<a name="l00234"></a>00234 <span class="comment">/* Short int. */</span>
|
|
<a name="l00235"></a>00235 <span class="keywordtype">void</span> unpack (<span class="keywordtype">short</span> & __sh, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00236"></a>00236
|
|
<a name="l00237"></a>00237 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __sh, __nitem, MPI_SHORT, MPI_COMM_WORLD);
|
|
<a name="l00238"></a>00238 }
|
|
<a name="l00239"></a>00239
|
|
<a name="l00240"></a>00240 <span class="comment">/* Unsigned short */</span>
|
|
<a name="l00241"></a>00241 <span class="keywordtype">void</span> unpack (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> & __ush, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00242"></a>00242
|
|
<a name="l00243"></a>00243 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __ush, __nitem, MPI_UNSIGNED_SHORT, MPI_COMM_WORLD);
|
|
<a name="l00244"></a>00244 }
|
|
<a name="l00245"></a>00245
|
|
<a name="l00246"></a>00246 <span class="comment">/* Long */</span>
|
|
<a name="l00247"></a>00247 <span class="keywordtype">void</span> unpack (<span class="keywordtype">long</span> & __l, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00248"></a>00248
|
|
<a name="l00249"></a>00249 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __l, __nitem, MPI_LONG, MPI_COMM_WORLD);
|
|
<a name="l00250"></a>00250 }
|
|
<a name="l00251"></a>00251
|
|
<a name="l00252"></a>00252 <span class="comment">/* Unsigned long */</span>
|
|
<a name="l00253"></a>00253 <span class="keywordtype">void</span> unpack (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> & __ul, <span class="keywordtype">int</span> __nitem) {
|
|
<a name="l00254"></a>00254
|
|
<a name="l00255"></a>00255 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & __ul, __nitem, MPI_UNSIGNED_LONG, MPI_COMM_WORLD);
|
|
<a name="l00256"></a>00256 }
|
|
<a name="l00257"></a>00257
|
|
<a name="l00258"></a>00258 <span class="comment">/* String */</span>
|
|
<a name="l00259"></a>00259 <span class="keywordtype">void</span> unpack (<span class="keywordtype">char</span> * __str) {
|
|
<a name="l00260"></a>00260
|
|
<a name="l00261"></a>00261 <span class="keywordtype">int</span> len;
|
|
<a name="l00262"></a>00262 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, & len, 1, MPI_INT, MPI_COMM_WORLD);
|
|
<a name="l00263"></a>00263 MPI_Unpack (mpi_buf, MPI_BUF_SIZE, & pos_buf, __str, len, MPI_CHAR, MPI_COMM_WORLD);
|
|
<a name="l00264"></a>00264 }
|
|
<a name="l00265"></a>00265
|
|
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Oct 8 11:16:45 2007 for ParadisEO-PEOMovingObjects by
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|
<a href="http://www.doxygen.org/index.html">
|
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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</body>
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</html>
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