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<h1>eoScalarFitness.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 <span class="comment"></span>
00003 <span class="comment"> -----------------------------------------------------------------------------</span>
00004 <span class="comment"> eoScalarFitness.h</span>
00005 <span class="comment"></span>
00006 <span class="comment"> (c) Maarten Keijzer (mkeijzer@mad.scientist.com) and GeNeura Team, 1999, 2000</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
00025
00026 <span class="preprocessor">#ifndef eoScalarFitness_h</span>
00027 <span class="preprocessor"></span><span class="preprocessor">#define eoScalarFitness_h</span>
00028 <span class="preprocessor"></span>
00029 <span class="preprocessor">#include &lt;functional&gt;</span>
00030 <span class="preprocessor">#include &lt;iostream&gt;</span>
00031
00042 <span class="keyword">template</span> &lt;<span class="keyword">class</span> ScalarType, <span class="keyword">class</span> Compare &gt;
<a name="l00043"></a><a class="code" href="classeo_scalar_fitness.html">00043</a> <span class="keyword">class </span><a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>
00044 {
00045 <span class="keyword">public</span> :
00046
00047 <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>() : value() {}
00048 <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>(<span class="keyword">const</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>&amp; other) : value(other.<a class="code" href="classeo_scalar_fitness.html#r0">value</a>) {}
00049 <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>(<span class="keyword">const</span> ScalarType&amp; v) : value(v) {}
00050
00051 <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>&amp; other)
00052 { value = other.<a class="code" href="classeo_scalar_fitness.html#r0">value</a>; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00053 <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>&amp; operator=(<span class="keyword">const</span> ScalarType&amp; v)
00054 { value = v; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00055
00056 operator ScalarType(<span class="keywordtype">void</span>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> value; }
00057
<a name="l00059"></a><a class="code" href="classeo_scalar_fitness.html#a6">00059</a> <span class="keywordtype">bool</span> operator&lt;(<span class="keyword">const</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness</a>&amp; other)<span class="keyword"> const</span>
00060 <span class="keyword"> </span>{ <span class="keywordflow">return</span> Compare()(value, other.<a class="code" href="classeo_scalar_fitness.html#r0">value</a>); }
00061
00062 <span class="comment">// implementation of the other operators</span>
00063 <span class="keywordtype">bool</span> operator&gt;( <span class="keyword">const</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness&lt;ScalarType, Compare&gt;</a>&amp; y )<span class="keyword"> const </span>{ <span class="keywordflow">return</span> y &lt; *<span class="keyword">this</span>; }
00064 <span class="comment">// implementation of the other operators</span>
00065 <span class="keywordtype">bool</span> operator&lt;=( const eoScalarFitness&lt;ScalarType, Compare&gt;&amp; y ) <span class="keyword">const</span> { <span class="keywordflow">return</span> !(*<span class="keyword">this</span> &gt; y); }
00066 <span class="comment">// implementation of the other operators</span>
00067 <span class="keywordtype">bool</span> operator&gt;=(<span class="keyword">const</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness&lt;ScalarType, Compare&gt;</a>&amp; y )<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span> &lt; y); }
00068
00069
00070 <span class="keyword">private</span> :
00071 ScalarType value;
00072 };
00073
00080 <span class="keyword">typedef</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness&lt;double, std::less&lt;double&gt;</a> &gt; <a class="code" href="classeo_scalar_fitness.html">eoMaximizingFitness</a>;
00081 <span class="keyword">typedef</span> <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness&lt;double, std::greater&lt;double&gt;</a> &gt; <a class="code" href="classeo_scalar_fitness.html">eoMinimizingFitness</a>;
00082
00083 <span class="keyword">template</span> &lt;<span class="keyword">class</span> F, <span class="keyword">class</span> Cmp&gt;
00084 std::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, const eoScalarFitness&lt;F, Cmp&gt;&amp; f)
00085 {
00086 os &lt;&lt; (F) f;
00087 <span class="keywordflow">return</span> os;
00088 }
00089
00090 <span class="keyword">template</span> &lt;<span class="keyword">class</span> F, <span class="keyword">class</span> Cmp&gt;
00091 std::istream&amp; operator&gt;&gt;(std::istream&amp; is, <a class="code" href="classeo_scalar_fitness.html">eoScalarFitness&lt;F, Cmp&gt;</a>&amp; f)
00092 {
00093 F value;
00094 is &gt;&gt; value;
00095 f = value;
00096 <span class="keywordflow">return</span> is;
00097 }
00098
00099 <span class="preprocessor">#endif</span>
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