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<h1>moeoCrowdingDistanceDiversityAssignment.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>
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<a name="l00002"></a>00002
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<a name="l00003"></a>00003 <span class="comment">//-----------------------------------------------------------------------------</span>
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<a name="l00004"></a>00004 <span class="comment">// moeoCrowdingDistanceDiversityAssignment.h</span>
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<a name="l00005"></a>00005 <span class="comment">// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007</span>
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<a name="l00006"></a>00006 <span class="comment">/*</span>
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<a name="l00007"></a>00007 <span class="comment"> This library...</span>
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<a name="l00008"></a>00008 <span class="comment"></span>
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<a name="l00009"></a>00009 <span class="comment"> Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr</span>
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<a name="l00010"></a>00010 <span class="comment"> */</span>
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<a name="l00011"></a>00011 <span class="comment">//-----------------------------------------------------------------------------</span>
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<a name="l00012"></a>00012
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<a name="l00013"></a>00013 <span class="preprocessor">#ifndef MOEOCROWDINGDISTANCEDIVERSITYASSIGNMENT_H_</span>
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<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define MOEOCROWDINGDISTANCEDIVERSITYASSIGNMENT_H_</span>
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<a name="l00015"></a>00015 <span class="preprocessor"></span>
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<a name="l00016"></a>00016 <span class="preprocessor">#include <eoPop.h></span>
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<a name="l00017"></a>00017 <span class="preprocessor">#include <moeoComparator.h></span>
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<a name="l00018"></a>00018 <span class="preprocessor">#include <moeoDiversityAssignment.h></span>
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<a name="l00019"></a>00019
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<a name="l00025"></a>00025 <span class="keyword">template</span> < <span class="keyword">class</span> MOEOT >
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<a name="l00026"></a><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html">00026</a> <span class="keyword">class </span><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html">moeoCrowdingDistanceDiversityAssignment</a> : <span class="keyword">public</span> <a class="code" href="classmoeoDiversityAssignment.html">moeoDiversityAssignment</a> < MOEOT >
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<a name="l00027"></a>00027 {
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<a name="l00028"></a>00028 <span class="keyword">public</span>:
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<a name="l00029"></a>00029
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<a name="l00031"></a><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#7c5b1b763bf82e2d557586533b072a64">00031</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> MOEOT::ObjectiveVector <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#7c5b1b763bf82e2d557586533b072a64">ObjectiveVector</a>;
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<a name="l00032"></a>00032
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<a name="l00033"></a>00033
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<a name="l00037"></a><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#809f4454efda4c5b87b809b59afb9ce0">00037</a> <span class="keywordtype">double</span> <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#809f4454efda4c5b87b809b59afb9ce0">inf</a>()<span class="keyword"> const</span>
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<a name="l00038"></a>00038 <span class="keyword"> </span>{
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<a name="l00039"></a>00039 <span class="keywordflow">return</span> std::numeric_limits<double>::max();
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<a name="l00040"></a>00040 }
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<a name="l00041"></a>00041
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<a name="l00042"></a>00042
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<a name="l00047"></a><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#7af5b14f4a0d288fd12fa6044b816c54">00047</a> <span class="keywordtype">void</span> <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#7af5b14f4a0d288fd12fa6044b816c54">operator()</a>(eoPop < MOEOT > & _pop)
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<a name="l00048"></a>00048 {
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<a name="l00049"></a>00049 <span class="keywordflow">if</span> (_pop.size() <= 2)
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<a name="l00050"></a>00050 {
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<a name="l00051"></a>00051 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<_pop.size(); i++)
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<a name="l00052"></a>00052 {
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<a name="l00053"></a>00053 _pop[i].diversity(<a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#809f4454efda4c5b87b809b59afb9ce0">inf</a>());
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<a name="l00054"></a>00054 }
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<a name="l00055"></a>00055 }
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<a name="l00056"></a>00056 <span class="keywordflow">else</span>
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<a name="l00057"></a>00057 {
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<a name="l00058"></a>00058 <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#4ade243e5a25ccdc4fb823b9afd7e411">setDistances</a>(_pop);
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<a name="l00059"></a>00059 }
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<a name="l00060"></a>00060 }
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062
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<a name="l00070"></a><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#ac21453d018c0e5dc872ccf0d0893f18">00070</a> <span class="keywordtype">void</span> <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#ac21453d018c0e5dc872ccf0d0893f18">updateByDeleting</a>(eoPop < MOEOT > & _pop, <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#7c5b1b763bf82e2d557586533b072a64">ObjectiveVector</a> & _objVec)
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<a name="l00071"></a>00071 {
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<a name="l00072"></a>00072 cout << <span class="stringliteral">"WARNING : updateByDeleting not implemented in moeoCrowdingDiversityAssignment"</span> << endl;
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<a name="l00073"></a>00073 }
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076 <span class="keyword">private</span>:
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<a name="l00077"></a>00077
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<a name="l00082"></a><a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#4ade243e5a25ccdc4fb823b9afd7e411">00082</a> <span class="keywordtype">void</span> <a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#4ade243e5a25ccdc4fb823b9afd7e411">setDistances</a> (eoPop < MOEOT > & _pop)
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<a name="l00083"></a>00083 {
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<a name="l00084"></a>00084 <span class="keywordtype">double</span> min, max, distance;
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<a name="l00085"></a>00085 <span class="keywordtype">unsigned</span> nObjectives = MOEOT::ObjectiveVector::nObjectives();
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<a name="l00086"></a>00086 <span class="comment">// set diversity to 0</span>
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<a name="l00087"></a>00087 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<_pop.size(); i++)
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<a name="l00088"></a>00088 {
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<a name="l00089"></a>00089 _pop[i].diversity(0);
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<a name="l00090"></a>00090 }
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<a name="l00091"></a>00091 <span class="comment">// for each objective</span>
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<a name="l00092"></a>00092 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> obj=0; obj<nObjectives; obj++)
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<a name="l00093"></a>00093 {
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<a name="l00094"></a>00094 <span class="comment">// comparator</span>
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<a name="l00095"></a>00095 moeoOneObjectiveComparator < MOEOT > comp(obj);
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<a name="l00096"></a>00096 <span class="comment">// sort</span>
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<a name="l00097"></a>00097 std::sort(_pop.begin(), _pop.end(), comp);
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<a name="l00098"></a>00098 <span class="comment">// min & max</span>
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<a name="l00099"></a>00099 min = _pop[0].objectiveVector()[obj];
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<a name="l00100"></a>00100 max = _pop[_pop.size()-1].objectiveVector()[obj];
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<a name="l00101"></a>00101 <span class="comment">// set the diversity value to infiny for min and max</span>
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<a name="l00102"></a>00102 _pop[0].diversity(<a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#809f4454efda4c5b87b809b59afb9ce0">inf</a>());
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<a name="l00103"></a>00103 _pop[_pop.size()-1].diversity(<a class="code" href="classmoeoCrowdingDistanceDiversityAssignment.html#809f4454efda4c5b87b809b59afb9ce0">inf</a>());
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<a name="l00104"></a>00104 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=1; i<_pop.size()-1; i++)
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<a name="l00105"></a>00105 {
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<a name="l00106"></a>00106 distance = (_pop[i+1].objectiveVector()[obj] - _pop[i-1].objectiveVector()[obj]) / (max-min);
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<a name="l00107"></a>00107 _pop[i].diversity(_pop[i].diversity() + distance);
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<a name="l00108"></a>00108 }
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<a name="l00109"></a>00109 }
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<a name="l00110"></a>00110 }
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<a name="l00111"></a>00111
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<a name="l00112"></a>00112 };
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<a name="l00113"></a>00113
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<a name="l00114"></a>00114 <span class="preprocessor">#endif </span><span class="comment">/*MOEOCROWDINGDISTANCEDIVERSITYASSIGNMENT_H_*/</span>
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Apr 17 16:53:21 2007 for ParadisEO-MOEO 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> 1.5.1 </small></address>
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