Paradiseo-eo sources added
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trunk/paradiseo-eo/doc/html/eo_reduce_8h-source.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
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<title>EO: eoReduce.h Source File</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
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<a class="el" href="dir_000000.html">src</a></div>
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<h1>eoReduce.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>
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00002
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00003 <span class="comment">//-----------------------------------------------------------------------------</span>
|
||||
00004 <span class="comment">// eoReduce.h</span>
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||||
00005 <span class="comment">// Base class for population-merging classes</span>
|
||||
00006 <span class="comment">// (c) GeNeura Team, 1998</span>
|
||||
00007 <span class="comment">/* </span>
|
||||
00008 <span class="comment"> This library is free software; you can redistribute it and/or</span>
|
||||
00009 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
|
||||
00010 <span class="comment"> License as published by the Free Software Foundation; either</span>
|
||||
00011 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
|
||||
00012 <span class="comment"></span>
|
||||
00013 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
|
||||
00014 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
|
||||
00015 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
|
||||
00016 <span class="comment"> Lesser General Public License for more details.</span>
|
||||
00017 <span class="comment"></span>
|
||||
00018 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
|
||||
00019 <span class="comment"> License along with this library; if not, write to the Free Software</span>
|
||||
00020 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
|
||||
00021 <span class="comment"></span>
|
||||
00022 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
|
||||
00023 <span class="comment"> */</span>
|
||||
00024 <span class="comment">//-----------------------------------------------------------------------------</span>
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||||
00025
|
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00026 <span class="preprocessor">#ifndef eoReduce_h</span>
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||||
00027 <span class="preprocessor"></span><span class="preprocessor">#define eoReduce_h</span>
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||||
00028 <span class="preprocessor"></span>
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||||
00029 <span class="comment">//-----------------------------------------------------------------------------</span>
|
||||
00030
|
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00031 <span class="preprocessor">#include <iostream></span>
|
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00032
|
||||
00033 <span class="comment">// EO includes</span>
|
||||
00034 <span class="preprocessor">#include <eoPop.h></span> <span class="comment">// eoPop</span>
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||||
00035 <span class="preprocessor">#include <eoFunctor.h></span> <span class="comment">// eoReduce</span>
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||||
00036 <span class="preprocessor">#include <utils/selectors.h></span>
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||||
00037
|
||||
<a name="l00045"></a><a class="code" href="classeo_reduce.html">00045</a> <span class="keyword">template</span><<span class="keyword">class</span> EOT> <span class="keyword">class </span><a class="code" href="classeo_reduce.html">eoReduce</a>: <span class="keyword">public</span> <a class="code" href="classeo_b_f.html">eoBF</a><eoPop<EOT>&, unsigned, void>
|
||||
00046 {};
|
||||
00047
|
||||
<a name="l00049"></a><a class="code" href="classeo_truncate.html">00049</a> <span class="keyword">template</span> <<span class="keyword">class</span> EOT> <span class="keyword">class </span><a class="code" href="classeo_truncate.html">eoTruncate</a> : <span class="keyword">public</span> <a class="code" href="classeo_reduce.html">eoReduce</a><EOT>
|
||||
00050 {
|
||||
<a name="l00051"></a><a class="code" href="classeo_truncate.html#d0">00051</a> <span class="keywordtype">void</span> <a class="code" href="classeo_truncate.html#d0">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _newgen, <span class="keywordtype">unsigned</span> _newsize)
|
||||
00052 {
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||||
00053 <span class="keywordflow">if</span> (_newgen.size() == _newsize)
|
||||
00054 <span class="keywordflow">return</span>;
|
||||
00055 <span class="keywordflow">if</span> (_newgen.size() < _newsize)
|
||||
00056 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"eoTruncate: Cannot truncate to a larger size!\n"</span>);
|
||||
00057
|
||||
00058 _newgen.<a class="code" href="classeo_pop.html#a13">nth_element</a>(_newsize);
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||||
00059 _newgen.resize(_newsize);
|
||||
00060 }
|
||||
00061 };
|
||||
00062
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||||
<a name="l00064"></a><a class="code" href="classeo_random_reduce.html">00064</a> <span class="keyword">template</span> <<span class="keyword">class</span> EOT> <span class="keyword">class </span><a class="code" href="classeo_random_reduce.html">eoRandomReduce</a> : <span class="keyword">public</span> <a class="code" href="classeo_reduce.html">eoReduce</a><EOT>
|
||||
00065 {
|
||||
<a name="l00066"></a><a class="code" href="classeo_random_reduce.html#d0">00066</a> <span class="keywordtype">void</span> <a class="code" href="classeo_random_reduce.html#d0">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _newgen, <span class="keywordtype">unsigned</span> _newsize)
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||||
00067 {
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||||
00068 <span class="keywordflow">if</span> (_newgen.size() == _newsize)
|
||||
00069 <span class="keywordflow">return</span>;
|
||||
00070 <span class="keywordflow">if</span> (_newgen.size() < _newsize)
|
||||
00071 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"eoRandomReduce: Cannot truncate to a larger size!\n"</span>);
|
||||
00072
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||||
00073 <span class="comment">// shuffle the population, then trucate</span>
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||||
00074 _newgen.<a class="code" href="classeo_pop.html#a7">shuffle</a>();
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||||
00075 _newgen.resize(_newsize);
|
||||
00076 }
|
||||
00077 };
|
||||
00078
|
||||
<a name="l00083"></a><a class="code" href="classeo_e_p_reduce.html">00083</a> <span class="keyword">template</span> <<span class="keyword">class</span> EOT> <span class="keyword">class </span><a class="code" href="classeo_e_p_reduce.html">eoEPReduce</a> : <span class="keyword">public</span> <a class="code" href="classeo_reduce.html">eoReduce</a><EOT>
|
||||
00084 {
|
||||
00085 <span class="keyword">public</span>:
|
||||
00086 <span class="keyword">typedef</span> <span class="keyword">typename</span> EOT::Fitness Fitness;
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||||
00087
|
||||
00088 <a class="code" href="classeo_e_p_reduce.html">eoEPReduce</a>(<span class="keywordtype">unsigned</span> _t_size ):
|
||||
00089 t_size(_t_size)
|
||||
00090 {
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||||
00091 <span class="keywordflow">if</span> (t_size < 2)
|
||||
00092 {
|
||||
00093 std::cout << <span class="stringliteral">"Warning: EP tournament size should be >= 2. Adjusted"</span> << std::endl;
|
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00094 t_size = 2;
|
||||
00095 }
|
||||
00096 }
|
||||
00097
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00099 <span class="comment">// compares the scores</span>
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00100 <span class="comment">// uses the fitness if scores are equals ????</span>
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<a name="l00101"></a><a class="code" href="classeo_e_p_reduce.html#w1">00101</a> <span class="keyword">typedef</span> std::pair<float, typename eoPop<EOT>::iterator> EPpair;
|
||||
00102 <span class="keyword">struct </span>Cmp {
|
||||
00103 <span class="keywordtype">bool</span> <a class="code" href="classeo_e_p_reduce.html#a1">operator()</a>(<span class="keyword">const</span> <a class="code" href="classeo_e_p_reduce.html#w1">EPpair</a> a, <span class="keyword">const</span> <a class="code" href="classeo_e_p_reduce.html#w1">EPpair</a> b)<span class="keyword"> const</span>
|
||||
00104 <span class="keyword"> </span>{
|
||||
00105 <span class="keywordflow">if</span> (b.first == a.first)
|
||||
00106 <span class="keywordflow">return</span> (*b.second < *a.second);
|
||||
00107 <span class="keywordflow">return</span> b.first < a.first;
|
||||
00108 }
|
||||
00109 };
|
||||
00110
|
||||
00111
|
||||
<a name="l00112"></a><a class="code" href="classeo_e_p_reduce.html#a1">00112</a> <span class="keywordtype">void</span> <a class="code" href="classeo_e_p_reduce.html#a1">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _newgen, <span class="keywordtype">unsigned</span> _newsize)
|
||||
00113 {
|
||||
00114 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> presentSize = _newgen.size();
|
||||
00115
|
||||
00116 <span class="keywordflow">if</span> (presentSize == _newsize)
|
||||
00117 <span class="keywordflow">return</span>;
|
||||
00118 <span class="keywordflow">if</span> (presentSize < _newsize)
|
||||
00119 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"eoTruncate: Cannot truncate to a larger size!\n"</span>);
|
||||
00120 std::vector<EPpair> scores(presentSize);
|
||||
00121 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<presentSize; i++)
|
||||
00122 {
|
||||
00123 scores[i].second = _newgen.begin()+i;
|
||||
00124 Fitness fit = _newgen[i].fitness();
|
||||
00125 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> itourn = 0; itourn < t_size; ++itourn)
|
||||
00126 {
|
||||
00127 <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a> & competitor = _newgen[rng.<a class="code" href="classeo_rng.html#a5">random</a>(presentSize)];
|
||||
00128 <span class="keywordflow">if</span> (fit > competitor.<a class="code" href="class_e_o.html#a2">fitness</a>())
|
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00129 scores[i].first += 1;
|
||||
00130 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fit == competitor.<a class="code" href="class_e_o.html#a2">fitness</a>())
|
||||
00131 scores[i].first += 0.5;
|
||||
00132 }
|
||||
00133 }
|
||||
00134
|
||||
00135 <span class="comment">// now we have the scores</span>
|
||||
00136 <span class="keyword">typename</span> std::vector<EPpair>::iterator it = scores.begin() + _newsize;
|
||||
00137 std::nth_element(scores.begin(), it, scores.end(), Cmp());
|
||||
00138 <span class="comment">// sort(scores.begin(), scores.end(), Cmp());</span>
|
||||
00139 <span class="keywordtype">unsigned</span> j;
|
||||
00140 <span class="comment">// std::cout << "Les scores apres tri\n";</span>
|
||||
00141 <span class="comment">// for (j=0; j<scores.size(); j++)</span>
|
||||
00142 <span class="comment">// {</span>
|
||||
00143 <span class="comment">// std::cout << scores[j].first << " " << *scores[j].second << std::endl;</span>
|
||||
00144 <span class="comment">// }</span>
|
||||
00145 <a class="code" href="classeo_pop.html">eoPop<EOT></a> tmPop;
|
||||
00146 <span class="keywordflow">for</span> (j=0; j<_newsize; j++)
|
||||
00147 {
|
||||
00148 tmPop.push_back(*scores[j].second);
|
||||
00149 }
|
||||
00150 _newgen.<a class="code" href="classeo_pop.html#a16">swap</a>(tmPop);
|
||||
00151 <span class="comment">// erase does not work, but I'm sure there is a way in STL to mark</span>
|
||||
00152 <span class="comment">// and later delete all inside a std::vector ??????</span>
|
||||
00153 <span class="comment">// this would avoid all copies here</span>
|
||||
00154
|
||||
00155 <span class="comment">// it = scores.begin() + _newsize;</span>
|
||||
00156 <span class="comment">// while (it < scores.end())</span>
|
||||
00157 <span class="comment">// _newgen.erase(it->second);</span>
|
||||
00158 }
|
||||
00159 <span class="keyword">private</span>:
|
||||
00160 <span class="keywordtype">unsigned</span> t_size;
|
||||
00161 };
|
||||
00162
|
||||
00166 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
|
||||
<a name="l00167"></a><a class="code" href="classeo_linear_truncate.html">00167</a> <span class="keyword">class </span><a class="code" href="classeo_linear_truncate.html">eoLinearTruncate</a> : <span class="keyword">public</span> <a class="code" href="classeo_reduce.html">eoReduce</a><EOT>
|
||||
00168 {
|
||||
<a name="l00169"></a><a class="code" href="classeo_linear_truncate.html#d0">00169</a> <span class="keywordtype">void</span> <a class="code" href="classeo_linear_truncate.html#d0">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _newgen, <span class="keywordtype">unsigned</span> _newsize)
|
||||
00170 {
|
||||
00171 <span class="keywordtype">unsigned</span> oldSize = _newgen.size();
|
||||
00172 <span class="keywordflow">if</span> (oldSize == _newsize)
|
||||
00173 <span class="keywordflow">return</span>;
|
||||
00174 <span class="keywordflow">if</span> (oldSize < _newsize)
|
||||
00175 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"eoLinearTruncate: Cannot truncate to a larger size!\n"</span>);
|
||||
00176 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<oldSize - _newsize; i++)
|
||||
00177 {
|
||||
00178 <span class="keyword">typename</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>::iterator it = _newgen.<a class="code" href="classeo_pop.html#a12">it_worse_element</a>();
|
||||
00179 _newgen.erase(it);
|
||||
00180 }
|
||||
00181 }
|
||||
00182 };
|
||||
00183
|
||||
00187 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
|
||||
<a name="l00188"></a><a class="code" href="classeo_det_tournament_truncate.html">00188</a> <span class="keyword">class </span><a class="code" href="classeo_det_tournament_truncate.html">eoDetTournamentTruncate</a> : <span class="keyword">public</span> <a class="code" href="classeo_reduce.html">eoReduce</a><EOT>
|
||||
00189 {
|
||||
00190 <span class="keyword">public</span>:
|
||||
00191 <a class="code" href="classeo_det_tournament_truncate.html">eoDetTournamentTruncate</a>(<span class="keywordtype">unsigned</span> _t_size):
|
||||
00192 t_size(_t_size)
|
||||
00193 {
|
||||
00194 <span class="keywordflow">if</span> (t_size < 2)
|
||||
00195 {
|
||||
00196 std::cout << <span class="stringliteral">"Warning, Size for eoDetTournamentTruncate adjusted to 2\n"</span>;
|
||||
00197 t_size = 2;
|
||||
00198 }
|
||||
00199 }
|
||||
00200
|
||||
<a name="l00201"></a><a class="code" href="classeo_det_tournament_truncate.html#a1">00201</a> <span class="keywordtype">void</span> <a class="code" href="classeo_det_tournament_truncate.html#a1">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _newgen, <span class="keywordtype">unsigned</span> _newsize)
|
||||
00202 {
|
||||
00203 <span class="keywordtype">unsigned</span> oldSize = _newgen.size();
|
||||
00204 <span class="keywordflow">if</span> (_newsize == 0)
|
||||
00205 {
|
||||
00206 _newgen.resize(0);
|
||||
00207 <span class="keywordflow">return</span>;
|
||||
00208 }
|
||||
00209 <span class="keywordflow">if</span> (oldSize == _newsize)
|
||||
00210 <span class="keywordflow">return</span>;
|
||||
00211 <span class="keywordflow">if</span> (oldSize < _newsize)
|
||||
00212 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"eoDetTournamentTruncate: Cannot truncate to a larger size!\n"</span>);
|
||||
00213
|
||||
00214 <span class="comment">// Now OK to erase some losers</span>
|
||||
00215 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<oldSize - _newsize; i++)
|
||||
00216 {
|
||||
00217 <span class="comment">//OLDCODE EOT & eo = inverse_deterministic_tournament<EOT>(_newgen, t_size);</span>
|
||||
00218 <span class="comment">//OLDCODE _newgen.erase(&eo);</span>
|
||||
00219
|
||||
00220 <span class="comment">// Jeroen Eggermont stdc++v3 patch</span>
|
||||
00221 <span class="comment">// in the new code from stdc++v3 an iterator from a container<T> is no longer an pointer to T</span>
|
||||
00222 <span class="comment">// Because eo already contained a fuction using eoPop<EOT>::iterator's we will use the following</span>
|
||||
00223
|
||||
00224 _newgen.erase( inverse_deterministic_tournament(_newgen.begin(), _newgen.end(), t_size) );
|
||||
00225
|
||||
00226 }
|
||||
00227 }
|
||||
00228 <span class="keyword">private</span>:
|
||||
00229 <span class="keywordtype">unsigned</span> t_size;
|
||||
00230 };
|
||||
00231
|
||||
00235 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
|
||||
<a name="l00236"></a><a class="code" href="classeo_stoch_tournament_truncate.html">00236</a> <span class="keyword">class </span><a class="code" href="classeo_stoch_tournament_truncate.html">eoStochTournamentTruncate</a> : <span class="keyword">public</span> <a class="code" href="classeo_reduce.html">eoReduce</a><EOT>
|
||||
00237 {
|
||||
00238 <span class="keyword">public</span>:
|
||||
00239 <a class="code" href="classeo_stoch_tournament_truncate.html">eoStochTournamentTruncate</a>(<span class="keywordtype">double</span> _t_rate):
|
||||
00240 t_rate(_t_rate)
|
||||
00241 {
|
||||
00242 <span class="keywordflow">if</span> (t_rate <= 0.5)
|
||||
00243 {
|
||||
00244 std::cout << <span class="stringliteral">"Warning, Rate for eoStochTournamentTruncate adjusted to 0.51\n"</span>;
|
||||
00245 t_rate = 0.51;
|
||||
00246 }
|
||||
00247 <span class="keywordflow">if</span> (t_rate > 1)
|
||||
00248 {
|
||||
00249 std::cout << <span class="stringliteral">"Warning, Rate for eoStochTournamentTruncate adjusted to 1\n"</span>;
|
||||
00250 t_rate = 1;
|
||||
00251 }
|
||||
00252 }
|
||||
00253
|
||||
<a name="l00254"></a><a class="code" href="classeo_stoch_tournament_truncate.html#a1">00254</a> <span class="keywordtype">void</span> <a class="code" href="classeo_stoch_tournament_truncate.html#a1">operator()</a>(<a class="code" href="classeo_pop.html">eoPop<EOT></a>& _newgen, <span class="keywordtype">unsigned</span> _newsize)
|
||||
00255 {
|
||||
00256 <span class="keywordtype">unsigned</span> oldSize = _newgen.size();
|
||||
00257 <span class="keywordflow">if</span> (_newsize == 0)
|
||||
00258 {
|
||||
00259 _newgen.resize(0);
|
||||
00260 <span class="keywordflow">return</span>;
|
||||
00261 }
|
||||
00262 <span class="keywordflow">if</span> (oldSize == _newsize)
|
||||
00263 <span class="keywordflow">return</span>;
|
||||
00264 <span class="keywordflow">if</span> (oldSize < _newsize)
|
||||
00265 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"eoStochTournamentTruncate: Cannot truncate to a larger size!\n"</span>);
|
||||
00266 <span class="comment">// Now OK to erase some losers</span>
|
||||
00267 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<oldSize - _newsize; i++)
|
||||
00268 {
|
||||
00269 <span class="comment">//OLDCODE EOT & eo = inverse_stochastic_tournament<EOT>(_newgen, t_rate);</span>
|
||||
00270 <span class="comment">//OLDCODE _newgen.erase(&eo);</span>
|
||||
00271
|
||||
00272 <span class="comment">// Jeroen Eggermont stdc++v3 patch</span>
|
||||
00273 <span class="comment">// in the new code from stdc++v3 an iterator from a container<T> is no longer an pointer to T</span>
|
||||
00274 <span class="comment">// Because eo already contained a fuction using eoPop<EOT>::iterator's we will use the following</span>
|
||||
00275
|
||||
00276 _newgen.erase( inverse_stochastic_tournament(_newgen.begin(), _newgen.end(), t_rate) );
|
||||
00277
|
||||
00278
|
||||
00279 }
|
||||
00280 }
|
||||
00281
|
||||
00282 <span class="keyword">private</span>:
|
||||
00283 <span class="keywordtype">double</span> t_rate;
|
||||
00284 };
|
||||
00285
|
||||
00286 <span class="comment">//-----------------------------------------------------------------------------</span>
|
||||
00287
|
||||
00288 <span class="preprocessor">#endif</span>
|
||||
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:37 2006 for EO by
|
||||
<a href="http://www.doxygen.org/index.html">
|
||||
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
|
||||
</body>
|
||||
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|
||||
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