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<a class="el" href="dir_000007.html">contrib</a>&nbsp;/&nbsp;<a class="el" href="dir_000008.html">mathsym</a>&nbsp;/&nbsp;<a class="el" href="dir_000018.html">eo_interface</a></div>
<h1>eoSymEval.h</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* </span>
00002 <span class="comment"> * Copyright (C) 2005 Maarten Keijzer</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
00005 <span class="comment"> * it under the terms of version 2 of the GNU General Public License as </span>
00006 <span class="comment"> * published by the Free Software Foundation. </span>
00007 <span class="comment"> *</span>
00008 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
00009 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00010 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
00011 <span class="comment"> * GNU General Public License for more details.</span>
00012 <span class="comment"> *</span>
00013 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
00014 <span class="comment"> * along with this program; if not, write to the Free Software</span>
00015 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00016 <span class="comment"> */</span>
00017
00018 <span class="preprocessor">#ifndef SYMEVAL_H</span>
00019 <span class="preprocessor"></span><span class="preprocessor">#define SYMEVAL_H</span>
00020 <span class="preprocessor"></span>
00021 <span class="preprocessor">#include &lt;Sym.h&gt;</span>
00022 <span class="preprocessor">#include &lt;FunDef.h&gt;</span>
00023 <span class="preprocessor">#include &lt;ErrorMeasure.h&gt;</span>
00024 <span class="preprocessor">#include &lt;BoundsCheck.h&gt;</span>
00025
00026 <span class="preprocessor">#include &lt;eoPopEvalFunc.h&gt;</span>
00027
00028 <span class="keyword">template</span> &lt;<span class="keyword">class</span> EoType&gt;
00029 <span class="keyword">class </span>eoSymPopEval : <span class="keyword">public</span> <a class="code" href="classeo_pop_eval_func.html">eoPopEvalFunc</a>&lt;EoType&gt; {
00030
00031 BoundsCheck&amp; check;
00032 ErrorMeasure&amp; measure;
00033 <span class="keywordtype">unsigned</span> size_cap;
00034
00035 <span class="keyword">public</span>:
00036
00037 eoSymPopEval(BoundsCheck&amp; _check, ErrorMeasure&amp; _measure, <span class="keywordtype">unsigned</span> _size_cap) :
00038 check(_check), measure(_measure), size_cap(_size_cap) {}
00039
00048 <span class="keywordtype">void</span> <a class="code" href="classeo_b_f.html#a1">operator()</a>(<a class="code" href="classeo_pop.html">eoPop&lt;EoType&gt;</a>&amp; p1, <a class="code" href="classeo_pop.html">eoPop&lt;EoType&gt;</a>&amp; p2) {
00049
00050 std::vector&lt;unsigned&gt; unevaluated;
00051 std::vector&lt;Sym&gt; tmppop;
00052
00053 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; p1.size(); ++i) {
00054 <span class="keywordflow">if</span> (p1[i].invalid()) {
00055
00056 <span class="keywordflow">if</span> (expand_all(p1[i]).size() &lt; size_cap &amp;&amp; check.in_bounds(p1[i])) {
00057 unevaluated.push_back(i);
00058 tmppop.push_back( static_cast&lt;Sym&gt;(p1[i]) );
00059 } <span class="keywordflow">else</span> {
00060 p1[i].fitness( measure.worst_performance() );
00061 }
00062 }
00063 }
00064
00065 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; p2.size(); ++i) {
00066 <span class="keywordflow">if</span> (p2[i].invalid()) {
00067
00068 <span class="keywordflow">if</span> (expand_all(p2[i]).size() &lt; size_cap &amp;&amp; check.in_bounds(p2[i])) {
00069
00070 unevaluated.push_back(p1.size() + i);
00071 tmppop.push_back( static_cast&lt;Sym&gt;(p2[i]) );
00072
00073 } <span class="keywordflow">else</span> {
00074 p2[i].fitness( measure.worst_performance() ); <span class="comment">// pretty bad error</span>
00075 }
00076 }
00077 }
00078
00079 std::vector&lt;ErrorMeasure::result&gt; result = measure.calc_error(tmppop);
00080
00081 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; result.size(); ++i) {
00082 <span class="keywordtype">unsigned</span> idx = unevaluated[i];
00083
00084 <span class="keywordflow">if</span> (idx &lt; p1.size()) {
00085 p1[idx].fitness(result[i].error);
00086 } <span class="keywordflow">else</span> {
00087 idx -= p1.size();
00088 p2[idx].fitness(result[i].error);
00089 }
00090 }
00091 }
00092
00093 };
00094
00095
00096 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:38 2006 for EO by&nbsp;
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