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<h1>EO.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">// EO.h</span>
00005 <span class="comment">// (c) GeNeura Team 1998</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"> */</span>
00023 <span class="comment">//-----------------------------------------------------------------------------</span>
00024
00025 <span class="preprocessor">#ifndef EO_H</span>
00026 <span class="preprocessor"></span><span class="preprocessor">#define EO_H</span>
00027 <span class="preprocessor"></span>
00028 <span class="comment">//-----------------------------------------------------------------------------</span>
00029
00030 <span class="preprocessor">#include &lt;stdexcept&gt;</span> <span class="comment">// std::runtime_error</span>
00031 <span class="preprocessor">#include &lt;eoObject.h&gt;</span> <span class="comment">// eoObject</span>
00032 <span class="preprocessor">#include &lt;eoPersistent.h&gt;</span> <span class="comment">// eoPersistent</span>
00033
00034 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00044"></a><a class="code" href="class_e_o.html">00044</a> <span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">class</span> F&gt; <span class="keyword">class </span><a class="code" href="class_e_o.html">EO</a>: <span class="keyword">public</span> <a class="code" href="classeo_object.html">eoObject</a>, <span class="keyword">public</span> <a class="code" href="classeo_persistent.html">eoPersistent</a>
00045 {
00046 <span class="keyword">public</span>:
00047 <span class="keyword">typedef</span> F Fitness;
00048
<a name="l00054"></a><a class="code" href="class_e_o.html#a0">00054</a> <a class="code" href="class_e_o.html#a0">EO</a>(): repFitness(Fitness()), invalidFitness(true) {}
00055
<a name="l00057"></a><a class="code" href="class_e_o.html#a1">00057</a> <span class="keyword">virtual</span> <a class="code" href="class_e_o.html#a1">~EO</a>() {};
00058
<a name="l00060"></a><a class="code" href="class_e_o.html#a2">00060</a> Fitness <a class="code" href="class_e_o.html#a2">fitness</a>()<span class="keyword"> const </span>{
00061 <span class="keywordflow">if</span> (<a class="code" href="class_e_o.html#a5">invalid</a>())
00062 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"invalid fitness"</span>);
00063 <span class="keywordflow">return</span> repFitness;
00064 }
00065
00066 <span class="comment">// Set fitness as invalid.</span>
00067 <span class="keywordtype">void</span> invalidate() { invalidFitness = <span class="keyword">true</span>; }
00068
<a name="l00072"></a><a class="code" href="class_e_o.html#a4">00072</a> <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#a2">fitness</a>(<span class="keyword">const</span> Fitness&amp; _fitness)
00073 {
00074 repFitness = _fitness;
00075 invalidFitness = <span class="keyword">false</span>;
00076 }
00077
<a name="l00081"></a><a class="code" href="class_e_o.html#a5">00081</a> <span class="keywordtype">bool</span> <a class="code" href="class_e_o.html#a5">invalid</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> invalidFitness; }
00082
<a name="l00086"></a><a class="code" href="class_e_o.html#a6">00086</a> <span class="keywordtype">bool</span> <a class="code" href="class_e_o.html#a6">operator&lt;</a>(<span class="keyword">const</span> <a class="code" href="class_e_o.html">EO</a>&amp; _eo2)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_o.html#a2">fitness</a>() &lt; _eo2.<a class="code" href="class_e_o.html#a2">fitness</a>(); }
00087 <span class="keywordtype">bool</span> operator&gt;(<span class="keyword">const</span> <a class="code" href="class_e_o.html">EO</a>&amp; _eo2)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(<a class="code" href="class_e_o.html#a2">fitness</a>() &lt;= _eo2.<a class="code" href="class_e_o.html#a2">fitness</a>()); }
00088
00090
00091
<a name="l00095"></a><a class="code" href="class_e_o.html#z10_0">00095</a> <span class="keyword">virtual</span> std::string <a class="code" href="class_e_o.html#z10_0">className</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="stringliteral">"EO"</span>; }
00096
<a name="l00105"></a><a class="code" href="class_e_o.html#z10_1">00105</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#z10_1">readFrom</a>(std::istream&amp; _is) {
00106
00107 <span class="comment">// the new version of the reafFrom function.</span>
00108 <span class="comment">// It can distinguish between valid and invalid fitness values. </span>
00109 std::string fitness_str;
00110 <span class="keywordtype">int</span> pos = _is.tellg();
00111 _is &gt;&gt; fitness_str;
00112
00113 <span class="keywordflow">if</span> (fitness_str == <span class="stringliteral">"INVALID"</span>)
00114 {
00115 invalidFitness = <span class="keyword">true</span>;
00116 }
00117 <span class="keywordflow">else</span>
00118 {
00119 invalidFitness = <span class="keyword">false</span>;
00120 _is.seekg(pos); <span class="comment">// rewind</span>
00121 _is &gt;&gt; repFitness;
00122 }
00123 }
00124
<a name="l00129"></a><a class="code" href="class_e_o.html#z10_2">00129</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_e_o.html#z10_2">printOn</a>(std::ostream&amp; _os)<span class="keyword"> const </span>{
00130
00131
00132 <span class="comment">// the latest version of the code. Very similar to the old code</span>
00133 <span class="keywordflow">if</span> (<a class="code" href="class_e_o.html#a5">invalid</a>()) {
00134 _os &lt;&lt; <span class="stringliteral">"INVALID "</span>;
00135 }
00136 <span class="keywordflow">else</span>
00137 {
00138 _os &lt;&lt; repFitness &lt;&lt; <span class="charliteral">' '</span>;
00139 }
00140
00141 }
00142
00144
00145 <span class="keyword">private</span>:
00146 Fitness repFitness; <span class="comment">// value of fitness for this chromosome</span>
00147 <span class="keywordtype">bool</span> invalidFitness; <span class="comment">// true if the value of fitness is invalid</span>
00148 };
00149
00150 <span class="comment">//-----------------------------------------------------------------------------</span>
00151
00152 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:34 2006 for EO by&nbsp;
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