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liefooga 2e7e817428 update docs 
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2007-04-17 15:45:01 +00:00

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<h1>moeoObjectiveVectorComparator.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">// moeoObjectiveVectorComparator.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 MOEOOBJECTIVEVECTORCOMPARATOR_H_</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define MOEOOBJECTIVEVECTORCOMPARATOR_H_</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;math.h&gt;</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;eoFunctor.h&gt;</span>
<a name="l00018"></a>00018
<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="classmoeoObjectiveVectorComparator.html">00024</a> <span class="keyword">class </span><a class="code" href="classmoeoObjectiveVectorComparator.html">moeoObjectiveVectorComparator</a> : <span class="keyword">public</span> <a class="codeRef" doxygen="eo.doxytag:../../../paradiseo-eo/doc/html/" href="../../../paradiseo-eo/doc/html/classeo_b_f.html">eoBF</a> &lt; const ObjectiveVector &amp;, const ObjectiveVector &amp;, bool &gt;
<a name="l00025"></a>00025 {};
<a name="l00026"></a>00026
<a name="l00027"></a>00027
<a name="l00031"></a>00031 <span class="keyword">template</span> &lt; <span class="keyword">class</span> ObjectiveVector &gt;
<a name="l00032"></a><a class="code" href="classmoeoParetoObjectiveVectorComparator.html">00032</a> <span class="keyword">class </span><a class="code" href="classmoeoParetoObjectiveVectorComparator.html">moeoParetoObjectiveVectorComparator</a> : <span class="keyword">public</span> <a class="code" href="classmoeoObjectiveVectorComparator.html">moeoObjectiveVectorComparator</a> &lt; ObjectiveVector &gt;
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">public</span>:
<a name="l00035"></a>00035
<a name="l00041"></a><a class="code" href="classmoeoParetoObjectiveVectorComparator.html#6bcb86968704748ce98d370a1306b22c">00041</a> <span class="keywordtype">bool</span> <a class="code" href="classmoeoParetoObjectiveVectorComparator.html#6bcb86968704748ce98d370a1306b22c">operator()</a>(<span class="keyword">const</span> ObjectiveVector &amp; _objectiveVector1, <span class="keyword">const</span> ObjectiveVector &amp; _objectiveVector2)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="keywordtype">bool</span> dom = <span class="keyword">false</span>;
<a name="l00044"></a>00044 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i&lt;ObjectiveVector::nObjectives(); i++)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="comment">// first, we have to check if the 2 objective values are not equal for the ith objective</span>
<a name="l00047"></a>00047 <span class="keywordflow">if</span> ( fabs(_objectiveVector1[i] - _objectiveVector2[i]) &gt; ObjectiveVector::Traits::tolerance() )
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="comment">// if the ith objective have to be minimized...</span>
<a name="l00050"></a>00050 <span class="keywordflow">if</span> (ObjectiveVector::minimizing(i))
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keywordflow">if</span> (_objectiveVector1[i] &lt; _objectiveVector2[i])
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 dom = <span class="keyword">true</span>; <span class="comment">//_objectiveVector1[i] is better than _objectiveVector2[i]</span>
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 <span class="keywordflow">else</span>
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">//_objectiveVector1 cannot dominate _objectiveVector2</span>
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061 <span class="comment">// if the ith objective have to be maximized...</span>
<a name="l00062"></a>00062 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ObjectiveVector::maximizing(i))
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keywordflow">if</span> (_objectiveVector1[i] &gt; _objectiveVector2[i])
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 dom = <span class="keyword">true</span>; <span class="comment">//_objectiveVector1[i] is better than _objectiveVector2[i]</span>
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 <span class="keywordflow">else</span>
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">//_objectiveVector1 cannot dominate _objectiveVector2</span>
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075 <span class="keywordflow">return</span> dom;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 };
<a name="l00079"></a>00079
<a name="l00080"></a>00080
<a name="l00087"></a>00087 <span class="keyword">template</span> &lt; <span class="keyword">class</span> ObjectiveVector &gt;
<a name="l00088"></a><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html">00088</a> <span class="keyword">class </span><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html">moeoGDominanceObjectiveVectorComparator</a> : <span class="keyword">public</span> <a class="code" href="classmoeoObjectiveVectorComparator.html">moeoObjectiveVectorComparator</a> &lt; ObjectiveVector &gt;
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keyword">public</span>:
<a name="l00091"></a>00091
<a name="l00096"></a><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#3eb8db7f05eabcd94ec96a3bc5fe48ae">00096</a> <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#3eb8db7f05eabcd94ec96a3bc5fe48ae">moeoGDominanceObjectiveVectorComparator</a>(ObjectiveVector _ref) : <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">ref</a>(_ref)
<a name="l00097"></a>00097 {}
<a name="l00098"></a>00098
<a name="l00099"></a>00099
<a name="l00105"></a><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#e2714bd3b21e027801ca84943e846e88">00105</a> <span class="keywordtype">bool</span> <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#e2714bd3b21e027801ca84943e846e88">operator()</a>(<span class="keyword">const</span> ObjectiveVector &amp; _objectiveVector1, <span class="keyword">const</span> ObjectiveVector &amp; _objectiveVector2)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 <span class="keywordtype">unsigned</span> flag1 = <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#7095866316c7f03940d22ca4b4175b7b">flag</a>(_objectiveVector1);
<a name="l00108"></a>00108 <span class="keywordtype">unsigned</span> flag2 = <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#7095866316c7f03940d22ca4b4175b7b">flag</a>(_objectiveVector2);
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (flag1==0)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="comment">// cannot dominate</span>
<a name="l00112"></a>00112 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( (flag1==1) &amp;&amp; (flag2==0) )
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <span class="comment">// dominates</span>
<a name="l00117"></a>00117 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 <span class="keywordflow">else</span> <span class="comment">// (flag1==1) &amp;&amp; (flag2==1)</span>
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="comment">// both are on the good region, so let's use the classical Pareto dominance</span>
<a name="l00122"></a>00122 <span class="keywordflow">return</span> <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#5768e6444e546f1da2f36ccabcfc1f70">paretoComparator</a>(_objectiveVector1, _objectiveVector2);
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keyword">private</span>:
<a name="l00128"></a>00128
<a name="l00130"></a><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">00130</a> ObjectiveVector <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">ref</a>;
<a name="l00132"></a><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#5768e6444e546f1da2f36ccabcfc1f70">00132</a> moeoParetoObjectiveVectorComparator &lt; ObjectiveVector &gt; <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#5768e6444e546f1da2f36ccabcfc1f70">paretoComparator</a>;
<a name="l00133"></a>00133
<a name="l00134"></a>00134
<a name="l00139"></a><a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#7095866316c7f03940d22ca4b4175b7b">00139</a> <span class="keywordtype">unsigned</span> <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#7095866316c7f03940d22ca4b4175b7b">flag</a>(<span class="keyword">const</span> ObjectiveVector &amp; _objectiveVector)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 <span class="keywordtype">unsigned</span> result=1;
<a name="l00142"></a>00142 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i&lt;<a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">ref</a>.nObjectives(); i++)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (_objectiveVector[i] &gt; <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">ref</a>[i])
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 result=0;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (result==0)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 result=1;
<a name="l00152"></a>00152 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i&lt;<a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">ref</a>.nObjectives(); i++)
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <span class="keywordflow">if</span> (_objectiveVector[i] &lt; <a class="code" href="classmoeoGDominanceObjectiveVectorComparator.html#55abecc05f8768dda29695c0aff608db">ref</a>[i])
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 result=0;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 <span class="keywordflow">return</span> result;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 };
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="preprocessor">#endif </span><span class="comment">/*MOEOOBJECTIVEVECTORCOMPARATOR_H_*/</span>
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