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<h1>t-eoproblem.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">//-----------------------------------------------------------------------------</span>
00002 <span class="comment">// t-eoproblem.cpp</span>
00003 <span class="comment">// (c) GeNeura Team 1998</span>
00004 <span class="comment">//-----------------------------------------------------------------------------</span>
00005
00006 <span class="preprocessor">#include &lt;time.h&gt;</span> <span class="comment">// time</span>
00007 <span class="preprocessor">#include &lt;math.h&gt;</span> <span class="comment">// fabs</span>
00008 <span class="preprocessor">#include &lt;iostream&gt;</span> <span class="comment">// std::cout</span>
00009 <span class="preprocessor">#include &lt;eo&gt;</span> <span class="comment">// eoVector, eoProblem</span>
00010
00011 <span class="comment">//-----------------------------------------------------------------------------</span>
00012
00013 <span class="keyword">typedef</span> <a class="code" href="classeo_vector.html">eoVector&lt;float, float&gt;</a> Chrom;
00014
00015 <span class="comment">//-----------------------------------------------------------------------------</span>
00016
00017 std::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, <span class="keyword">const</span> Chrom&amp; chrom)
00018 {
00019 copy(chrom.begin(), chrom.end(), std::ostream_iterator&lt;int&gt;(os));
00020 <span class="keywordflow">return</span> os;
00021 }
00022
00023 <span class="comment">//-----------------------------------------------------------------------------</span>
00024
00025 <span class="keyword">class </span>Easy<span class="comment">//: public eoProblem&lt;Chrom&gt;</span>
00026 {
00027 <span class="keyword">public</span>:
00028 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> size;
00029
00030 <span class="keywordtype">float</span> operator()(<span class="keyword">const</span> Chrom&amp; chrom)
00031 {
00032 <span class="keywordflow">return</span> 1.0 / (fabs(chrom[0]) + 1.0);
00033 }
00034 };
00035 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> Easy::size = 1;
00036
00037 <span class="comment">//-----------------------------------------------------------------------------</span>
00038
00039 <span class="keywordtype">int</span> main()
00040 {
00041 Easy easy;
00042 Chrom chrom(Easy::size);
00043
00044 srand(time(0));
00045
00046 chrom[0] = ((float)rand()) / ((float)RAND_MAX);
00047 chrom.<a class="code" href="class_e_o.html#a2">fitness</a>(easy(chrom));
00048
00049 std::cout &lt;&lt; <span class="stringliteral">"chrom = "</span> &lt;&lt; chrom &lt;&lt; std::endl
00050 &lt;&lt; <span class="stringliteral">"chrom.fitness() = "</span> &lt;&lt; chrom.<a class="code" href="class_e_o.html#a2">fitness</a>() &lt;&lt; std::endl;
00051
00052 <span class="keywordflow">return</span> 0;
00053 }
00054
00055 <span class="comment">//-----------------------------------------------------------------------------</span>
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