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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
83 lines
4.6 KiB
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83 lines
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<title>EO: t-eoRoulette.cpp Source File</title>
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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_000002.html">test</a></div>
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<h1>t-eoRoulette.cpp</h1><div class="fragment"><pre class="fragment">00001
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00002 <span class="preprocessor">#include <eoPop.h></span>
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00003 <span class="preprocessor">#include <EO.h></span>
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00004 <span class="preprocessor">#include <eoProportionalSelect.h></span>
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00005 <span class="preprocessor">#include <eoStochasticUniversalSelect.h></span>
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00006
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00007 <span class="keyword">class </span>TestEO : <span class="keyword">public</span> EO<double> { <span class="keyword">public</span>: <span class="keywordtype">unsigned</span> index; };
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00008
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00009 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
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00010
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00011 <span class="keyword">template</span> <<span class="keyword">class</span> Select>
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00012 <span class="keywordtype">int</span> test_select()
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00013 {
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00014 vector<double> probs(4);
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00015 probs[0] = 0.1;
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00016 probs[1] = 0.4;
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00017 probs[2] = 0.2;
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00018 probs[3] = 0.3;
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00019
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00020 vector<double> counts(4,0.0);
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00021
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00022 <span class="comment">// setup population</span>
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00023 <a class="code" href="classeo_pop.html">eoPop<TestEO></a> pop;
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00024 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < probs.size(); ++i)
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00025 {
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00026 pop.push_back( TestEO());
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00027 pop.back().fitness( probs[i] * 2.1232 ); <span class="comment">// some number to check scaling</span>
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00028 pop.back().index = i;
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00029 }
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00030
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00031 Select select;
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00032
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00033 <span class="keywordtype">unsigned</span> ndraws = 10000;
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00034
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00035 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < ndraws; ++i)
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00036 {
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00037 <span class="keyword">const</span> TestEO& eo = select(pop);
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00038
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00039 counts[eo.index]++;
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00040 }
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00041
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00042 cout << <span class="stringliteral">"Threshold = "</span> << 1./sqrt(<span class="keywordtype">double</span>(ndraws)) << endl;
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00043
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00044 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < 4; ++i)
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00045 {
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00046 cout << counts[i]/ndraws << <span class="charliteral">' '</span>;
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00047
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00048 <span class="keywordtype">double</span> c = counts[i]/ndraws;
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00049
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00050 <span class="keywordflow">if</span> (fabs(c - probs[i]) > 1./sqrt((<span class="keywordtype">double</span>)ndraws)) {
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00051 cout << <span class="stringliteral">"ERROR"</span> << endl;
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00052 <span class="keywordflow">return</span> 1;
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00053 }
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00054 }
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00055
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00056 cout << endl;
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00057 <span class="keywordflow">return</span> 0;
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00058 }
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00059
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00060 <span class="keywordtype">int</span> main()
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00061 {
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00062 rng.<a class="code" href="classeo_rng.html#a2">reseed</a>(44);
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00063
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00064 <span class="keywordflow">if</span> (test_select<eoProportionalSelect<TestEO> >()) <span class="keywordflow">return</span> 1;
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00065
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00066 <span class="keywordflow">return</span> test_select<eoStochasticUniversalSelect<TestEO> >();
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00067 }
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00068
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:43 2006 for EO 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> 1.3.9.1 </small></address>
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