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<h1>moeoAdditiveEpsilonBinaryMetric.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00004"></a>00004 <span class="comment">// moeoAdditiveEpsilonBinaryMetric.h</span>
<a name="l00005"></a>00005 <span class="comment">// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007</span>
<a name="l00006"></a>00006 <span class="comment">/*</span>
<a name="l00007"></a>00007 <span class="comment"> This library...</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr</span>
<a name="l00010"></a>00010 <span class="comment"> */</span>
<a name="l00011"></a>00011 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#ifndef MOEOADDITIVEEPSILONBINARYMETRIC_H_</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define MOEOADDITIVEEPSILONBINARYMETRIC_H_</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;metric/moeoNormalizedSolutionVsSolutionBinaryMetric.h&gt;</span>
<a name="l00017"></a>00017
<a name="l00023"></a>00023 <span class="keyword">template</span> &lt; <span class="keyword">class</span> ObjectiveVector &gt;
<a name="l00024"></a><a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html">00024</a> <span class="keyword">class </span><a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html">moeoAdditiveEpsilonBinaryMetric</a> : <span class="keyword">public</span> <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html">moeoNormalizedSolutionVsSolutionBinaryMetric</a> &lt; ObjectiveVector, double &gt;
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026 <span class="keyword">public</span>:
<a name="l00027"></a>00027
<a name="l00035"></a><a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html#545aa2c8e6dd93084276763c9d8a3709">00035</a> <span class="keywordtype">double</span> <a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html#545aa2c8e6dd93084276763c9d8a3709">operator()</a>(<span class="keyword">const</span> ObjectiveVector &amp; _o1, <span class="keyword">const</span> ObjectiveVector &amp; _o2)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="comment">// computation of the epsilon value for the first objective</span>
<a name="l00038"></a>00038 <span class="keywordtype">double</span> result = <a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html#04253f76c832d24a3fd6bc574be54c46">epsilon</a>(_o1, _o2, 0);
<a name="l00039"></a>00039 <span class="comment">// computation of the epsilon value for the other objectives</span>
<a name="l00040"></a>00040 <span class="keywordtype">double</span> tmp;
<a name="l00041"></a>00041 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=1; i&lt;ObjectiveVector::Traits::nObjectives(); i++)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 tmp = <a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html#04253f76c832d24a3fd6bc574be54c46">epsilon</a>(_o1, _o2, i);
<a name="l00044"></a>00044 result = std::max(result, tmp);
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 <span class="comment">// returns the maximum epsilon value</span>
<a name="l00047"></a>00047 <span class="keywordflow">return</span> result;
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">private</span>:
<a name="l00052"></a>00052
<a name="l00054"></a>00054 <span class="keyword">using</span> moeoNormalizedSolutionVsSolutionBinaryMetric &lt; ObjectiveVector, double &gt;<a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38"> :: bounds</a>;
<a name="l00055"></a>00055
<a name="l00056"></a>00056
<a name="l00064"></a><a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html#04253f76c832d24a3fd6bc574be54c46">00064</a> <span class="keywordtype">double</span> <a class="code" href="classmoeoAdditiveEpsilonBinaryMetric.html#04253f76c832d24a3fd6bc574be54c46">epsilon</a>(<span class="keyword">const</span> ObjectiveVector &amp; _o1, <span class="keyword">const</span> ObjectiveVector &amp; _o2, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _obj)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keywordtype">double</span> result;
<a name="l00067"></a>00067 <span class="comment">// if the objective _obj have to be minimized</span>
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (ObjectiveVector::Traits::minimizing(_obj))
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="comment">// _o1[_obj] - _o2[_obj]</span>
<a name="l00071"></a>00071 result = ( (_o1[_obj] - <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].minimum()) / <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].range() ) - ( (_o2[_obj] - <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].minimum()) / <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].range() );
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 <span class="comment">// if the objective _obj have to be maximized</span>
<a name="l00074"></a>00074 <span class="keywordflow">else</span>
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="comment">// _o2[_obj] - _o1[_obj]</span>
<a name="l00077"></a>00077 result = ( (_o2[_obj] - <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].minimum()) / <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].range() ) - ( (_o1[_obj] - <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].minimum()) / <a class="code" href="classmoeoNormalizedSolutionVsSolutionBinaryMetric.html#81bff9a83c74f7f7f8a1db28c09c4c38">bounds</a>[_obj].range() );
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="keywordflow">return</span> result;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 };
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="preprocessor">#endif </span><span class="comment">/*MOEOADDITIVEEPSILONBINARYMETRIC_H_*/</span>
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