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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@665 331e1502-861f-0410-8da2-ba01fb791d7f
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<title>ParadisEO-PEOMovingObjects: edge_xover.cpp Source File</title>
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<h1>edge_xover.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">* <edge_xover.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 <assert.h></span>
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<a name="l00038"></a>00038 <span class="preprocessor">#include <values.h></span>
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040 <span class="preprocessor">#include <utils/eoRNG.h></span>
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<a name="l00041"></a>00041
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<a name="l00042"></a>00042 <span class="preprocessor">#include "edge_xover.h"</span>
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="keywordtype">void</span> <a class="codeRef" doxygen="mo.doxytag:/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/" href="/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/class_edge_xover.html#04de96aa1016836e0ba5f4b952a5fa16">EdgeXover :: build_map</a> (<span class="keyword">const</span> <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __par1, <span class="keyword">const</span> <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __par2) {
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046 <span class="keywordtype">unsigned</span> len = __par1.size () ;
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<a name="l00047"></a>00047
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<a name="l00048"></a>00048 <span class="comment">/* Initialization */</span>
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<a name="l00049"></a>00049 _map.clear () ;
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<a name="l00050"></a>00050 _map.resize (len) ;
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0 ; i < len ; i ++) {
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<a name="l00053"></a>00053 _map [__par1 [i]].insert (__par1 [(i + 1) % len]) ;
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<a name="l00054"></a>00054 _map [__par2 [i]].insert (__par2 [(i + 1) % len]) ;
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<a name="l00055"></a>00055 _map [__par1 [i]].insert (__par1 [(i - 1 + len) % len]) ;
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<a name="l00056"></a>00056 _map [__par2 [i]].insert (__par2 [(i - 1 + len) % len]) ;
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<a name="l00057"></a>00057 }
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 visited.clear () ;
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<a name="l00060"></a>00060 visited.resize (len, <span class="keyword">false</span>) ;
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<a name="l00061"></a>00061 }
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063 <span class="keywordtype">void</span> EdgeXover :: remove_entry (<span class="keywordtype">unsigned</span> __vertex, std :: vector <std :: set <unsigned> > & __map) {
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<a name="l00064"></a>00064
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<a name="l00065"></a>00065 std :: set <unsigned> & neigh = __map [__vertex] ;
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<a name="l00066"></a>00066
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<a name="l00067"></a>00067 <span class="keywordflow">for</span> (std :: set <unsigned> :: iterator it = neigh.begin () ;
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<a name="l00068"></a>00068 it != neigh.end () ;
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<a name="l00069"></a>00069 it ++)
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<a name="l00070"></a>00070 __map [* it].erase (__vertex) ;
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072 }
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<a name="l00073"></a>00073
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<a name="l00074"></a>00074 <span class="keywordtype">void</span> <a class="codeRef" doxygen="mo.doxytag:/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/" href="/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/class_edge_xover.html#b590458c35c16a14896a4bcdf9674ade">EdgeXover :: add_vertex</a> (<span class="keywordtype">unsigned</span> __vertex, <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __child) {
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076 visited [__vertex] = true ;
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<a name="l00077"></a>00077 __child.push_back (__vertex) ;
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<a name="l00078"></a>00078 remove_entry (__vertex, _map) ; <span class="comment">/* Removing entries */</span>
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<a name="l00079"></a>00079 }
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<a name="l00080"></a>00080
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<a name="l00081"></a>00081 <span class="keywordtype">void</span> <a class="codeRef" doxygen="mo.doxytag:/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/" href="/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/class_edge_xover.html#88c2d4c9a878454a32d56010f3dddc27">EdgeXover :: cross</a> (<span class="keyword">const</span> <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __par1, <span class="keyword">const</span> <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __par2, <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __child) {
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083 build_map (__par1, __par2) ;
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<a name="l00084"></a>00084
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<a name="l00085"></a>00085 <span class="keywordtype">unsigned</span> len = __par1.size () ;
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<a name="l00086"></a>00086
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<a name="l00087"></a>00087 <span class="comment">/* Go ! */</span>
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<a name="l00088"></a>00088 __child.clear () ;
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<a name="l00089"></a>00089
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<a name="l00090"></a>00090 <span class="keywordtype">unsigned</span> cur_vertex = <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/namespaceeo.html#2727d901e79a00930492730539e3b644">rng</a>.<a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_rng.html#f0829d258c74cdc3a8f6cd72c0287cb4">random</a> (len) ;
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<a name="l00091"></a>00091
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<a name="l00092"></a>00092 add_vertex (cur_vertex, __child) ;
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<a name="l00093"></a>00093
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<a name="l00094"></a>00094 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 1 ; i < len ; i ++) {
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<a name="l00095"></a>00095
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<a name="l00096"></a>00096 <span class="keywordtype">unsigned</span> len_min_entry = MAXINT ;
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<a name="l00097"></a>00097
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<a name="l00098"></a>00098 std :: set <unsigned> & neigh = _map [cur_vertex] ;
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<a name="l00099"></a>00099
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<a name="l00100"></a>00100 <span class="keywordflow">for</span> (std :: set <unsigned> :: iterator it = neigh.begin () ;
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<a name="l00101"></a>00101 it != neigh.end () ;
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<a name="l00102"></a>00102 it ++) {
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<a name="l00103"></a>00103 <span class="keywordtype">unsigned</span> l = _map [* it].size () ;
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<a name="l00104"></a>00104 <span class="keywordflow">if</span> (len_min_entry > l)
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<a name="l00105"></a>00105 len_min_entry = l ;
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<a name="l00106"></a>00106 }
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<a name="l00107"></a>00107
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<a name="l00108"></a>00108 std :: vector <unsigned> cand ; <span class="comment">/* Candidates */</span>
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<a name="l00109"></a>00109
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<a name="l00110"></a>00110 <span class="keywordflow">for</span> (std :: set <unsigned> :: iterator it = neigh.begin () ;
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<a name="l00111"></a>00111 it != neigh.end () ;
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<a name="l00112"></a>00112 it ++) {
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<a name="l00113"></a>00113 <span class="keywordtype">unsigned</span> l = _map [* it].size () ;
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<a name="l00114"></a>00114 <span class="keywordflow">if</span> (len_min_entry == l)
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<a name="l00115"></a>00115 cand.push_back (* it) ;
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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="keywordflow">if</span> (! cand.size ()) {
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<a name="l00119"></a>00119
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<a name="l00120"></a>00120 <span class="comment">/* Oh no ! Implicit mutation */</span>
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<a name="l00121"></a>00121 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0 ; j < len ; j ++)
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<a name="l00122"></a>00122 <span class="keywordflow">if</span> (! visited [j])
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<a name="l00123"></a>00123 cand.push_back (j) ;
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<a name="l00124"></a>00124 }
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<a name="l00125"></a>00125
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<a name="l00126"></a>00126 cur_vertex = cand [<a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/namespaceeo.html#2727d901e79a00930492730539e3b644">rng</a>.<a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_rng.html#f0829d258c74cdc3a8f6cd72c0287cb4">random</a> (cand.size ())] ;
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<a name="l00127"></a>00127
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<a name="l00128"></a>00128 add_vertex (cur_vertex, __child) ;
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<a name="l00129"></a>00129 }
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<a name="l00130"></a>00130 }
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<a name="l00131"></a>00131
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<a name="l00132"></a>00132 <span class="keywordtype">bool</span> <a class="codeRef" doxygen="mo.doxytag:/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/" href="/data/OPAC/software/paradisEO/repository/paradiseo/trunk/paradiseo-peo/build/../../paradiseo-mo/build/doc/html/class_edge_xover.html#cb1c0a103106a4d3319540cb23163a79">EdgeXover :: operator () </a>(<a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __route1, <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> & __route2) {
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<a name="l00133"></a>00133
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<a name="l00134"></a>00134 <span class="comment">// Init. copy</span>
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<a name="l00135"></a>00135 <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> par [2] ;
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<a name="l00136"></a>00136 par [0] = __route1 ;
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<a name="l00137"></a>00137 par [1] = __route2 ;
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<a name="l00138"></a>00138
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<a name="l00139"></a>00139 cross (par [0], par [1], __route1) ;
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<a name="l00140"></a>00140 cross (par [1], par [0], __route2) ;
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<a name="l00141"></a>00141
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<a name="l00142"></a>00142 __route1.<a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/class_e_o.html#f57e9b0b1772446b12f97abfc0d64a59">invalidate</a> () ;
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<a name="l00143"></a>00143 __route2.<a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/class_e_o.html#f57e9b0b1772446b12f97abfc0d64a59">invalidate</a> () ;
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<a name="l00144"></a>00144
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<a name="l00145"></a>00145 <span class="keywordflow">return</span> true ;
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<a name="l00146"></a>00146 }
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</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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