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legrand c3aec878e5 Paradiseo-eo sources added 
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
2006-12-12 14:49:08 +00:00

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<h1>eoRandomSelect.h</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
00002
00003 <span class="comment">//-----------------------------------------------------------------------------</span>
00004 <span class="comment">// eoRandomSelect.h</span>
00005 <span class="comment">// (c) GeNeura Team, 1998 - EEAAX 1999, Maarten Keijzer 2000</span>
00006 <span class="comment">/*</span>
00007 <span class="comment"> This library is free software; you can redistribute it and/or</span>
00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
00011 <span class="comment"></span>
00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00015 <span class="comment"> Lesser General Public License for more details.</span>
00016 <span class="comment"></span>
00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00020 <span class="comment"></span>
00021 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
00022 <span class="comment"> Marc.Schoenauer@polytechnique.fr</span>
00023 <span class="comment"> mak@dhi.dk</span>
00024 <span class="comment"> */</span>
00025 <span class="comment">//-----------------------------------------------------------------------------</span>
00026
00027 <span class="preprocessor">#ifndef eoRandomSelect_h</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#define eoRandomSelect_h</span>
00029 <span class="preprocessor"></span>
00030 <span class="comment">//-----------------------------------------------------------------------------</span>
00037 <span class="comment"></span><span class="preprocessor">#include &lt;utils/eoRNG.h&gt;</span>
00038 <span class="preprocessor">#include &lt;eoSelectOne.h&gt;</span>
00039
00040 <span class="comment">//-----------------------------------------------------------------------------</span>
00042 <span class="comment"></span><span class="comment">//-----------------------------------------------------------------------------</span>
00043
<a name="l00044"></a><a class="code" href="classeo_random_select.html">00044</a> <span class="keyword">template</span> &lt;<span class="keyword">class</span> EOT&gt; <span class="keyword">class </span><a class="code" href="classeo_random_select.html">eoRandomSelect</a>: <span class="keyword">public</span> <a class="code" href="classeo_select_one.html">eoSelectOne</a>&lt;EOT&gt;
00045 {
00046 <span class="keyword">public</span>:
00047
<a name="l00049"></a><a class="code" href="classeo_random_select.html#a0">00049</a> <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>&amp; <a class="code" href="classeo_random_select.html#a0">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop&lt;EOT&gt;</a>&amp; _pop)
00050 {
00051 <span class="keywordflow">return</span> _pop[eo::rng.random(_pop.size())] ;
00052 }
00053 };
00054
00055 <span class="comment">//-----------------------------------------------------------------------------</span>
00058 <span class="comment"></span><span class="comment">//-----------------------------------------------------------------------------</span>
00059
<a name="l00060"></a><a class="code" href="classeo_best_select.html">00060</a> <span class="keyword">template</span> &lt;<span class="keyword">class</span> EOT&gt; <span class="keyword">class </span><a class="code" href="classeo_best_select.html">eoBestSelect</a>: <span class="keyword">public</span> <a class="code" href="classeo_select_one.html">eoSelectOne</a>&lt;EOT&gt;
00061 {
00062 <span class="keyword">public</span>:
00063
<a name="l00065"></a><a class="code" href="classeo_best_select.html#a0">00065</a> <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>&amp; <a class="code" href="classeo_best_select.html#a0">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop&lt;EOT&gt;</a>&amp; _pop)
00066 {
00067 <span class="keywordflow">return</span> _pop.<a class="code" href="classeo_pop.html#a10">best_element</a>() ;
00068 }
00069 };
00070
00071 <span class="comment">//-----------------------------------------------------------------------------</span>
00076 <span class="comment"></span><span class="comment">//-----------------------------------------------------------------------------</span>
00077
<a name="l00078"></a><a class="code" href="classeo_no_select.html">00078</a> <span class="keyword">template</span> &lt;<span class="keyword">class</span> EOT&gt; <span class="keyword">class </span><a class="code" href="classeo_no_select.html">eoNoSelect</a>: <span class="keyword">public</span> <a class="code" href="classeo_select_one.html">eoSelectOne</a>&lt;EOT&gt;
00079 {
00080 <span class="keyword">public</span>:
<a name="l00083"></a><a class="code" href="classeo_no_select.html#a0">00083</a> <a class="code" href="classeo_no_select.html#a0">eoNoSelect</a>(): current(0) {}
00084
<a name="l00085"></a><a class="code" href="classeo_no_select.html#a1">00085</a> <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>&amp; <a class="code" href="classeo_no_select.html#a1">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop&lt;EOT&gt;</a>&amp; _pop)
00086 {
00087 <span class="keywordflow">if</span> (current &gt;= _pop.size())
00088 current=0;
00089
00090 current++;
00091 <span class="keywordflow">return</span> _pop[current-1] ;
00092 }
00093 <span class="keyword">private</span>:
00094 <span class="keywordtype">unsigned</span> current;
00095 };
00096
00097 <span class="preprocessor">#endif</span>
00098 <span class="preprocessor"></span>
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