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<h1>t-eoParetoFitness.cpp</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">// t-eoParetoFitness.cpp</span>
00005 <span class="comment">// (c) Maarten Keijzer</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: mak@dhi.dk</span>
00022 <span class="comment"></span>
00023 <span class="comment">30/01/02 - MS - Added the eoVariableParetoTraits - and the compare Fn</span>
00024 <span class="comment"> */</span>
00025 <span class="comment">//-----------------------------------------------------------------------------</span>
00026
00027 <span class="preprocessor">#include &lt;cassert&gt;</span>
00028 <span class="preprocessor">#include &lt;iostream&gt;</span>
00029
00030 <span class="preprocessor">#include "eoParetoFitness.h"</span>
00031
00032 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
00033
<a name="l00036"></a><a class="code" href="class_minimizing_traits.html">00036</a> <span class="keyword">class </span><a class="code" href="class_minimizing_traits.html">MinimizingTraits</a> : <span class="keyword">public</span> <a class="code" href="classeo_pareto_fitness_traits.html">eoParetoFitnessTraits</a>
00037 {
00038 <span class="keyword">public</span> :
00039
00040 <span class="keyword">static</span> <span class="keywordtype">bool</span> maximizing(<span class="keywordtype">int</span>) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
00041 };
00042
00043 <span class="keyword">template</span> &lt;<span class="keyword">class</span> F&gt;
00044 <span class="keywordtype">void</span> compare(F &amp; _eo1, F &amp; _eo2)
00045 {
00046 <span class="keywordflow">if</span> (_eo1.dominates(_eo2))
00047 std::cout &lt;&lt; _eo1 &lt;&lt; <span class="stringliteral">" dominates "</span> &lt;&lt; _eo2 &lt;&lt; std::endl;
00048 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_eo2.dominates(_eo1))
00049 std::cout &lt;&lt; _eo2 &lt;&lt; <span class="stringliteral">" dominates "</span> &lt;&lt; _eo1 &lt;&lt; std::endl;
00050 <span class="keywordflow">else</span>
00051 std::cout &lt;&lt; <span class="stringliteral">"None of "</span> &lt;&lt; _eo1 &lt;&lt; <span class="stringliteral">" and "</span> &lt;&lt; _eo2 &lt;&lt; <span class="stringliteral">"dominates the other"</span> &lt;&lt; std::endl;
00052 <span class="keywordflow">return</span>;
00053 }
00054
00055 <span class="keywordtype">int</span> main()
00056 {
00057 <span class="keyword">typedef</span> <a class="code" href="classeo_pareto_fitness.html">eoParetoFitness&lt;&gt;</a> MaxFitness;
00058 <span class="keyword">typedef</span> <a class="code" href="classeo_pareto_fitness.html">eoParetoFitness&lt;MinimizingTraits&gt;</a> MinFitness;
00059
00060 <span class="keyword">typedef</span> <a class="code" href="classeo_pareto_fitness.html">eoParetoFitness&lt;eoVariableParetoTraits&gt;</a> VarFitness;
00061
00062 <span class="keywordflow">try</span>{
00063
00064 MaxFitness f0;
00065 f0[0] = 0.0;
00066 f0[1] = 1.0;
00067
00068 MaxFitness f1;
00069 f1[0] = 1.0;
00070 f1[1] = 0.0;
00071
00072 MaxFitness f2;
00073 f2[0] = 0.0;
00074 f2[1] = 0.5;
00075
00076 <span class="comment">// now f0 should dominate f2;</span>
00077
00078 <span class="keywordflow">if</span> (!f0.dominates(f2))
00079 {
00080 std::cout &lt;&lt; f2 &lt;&lt; <span class="stringliteral">" not dominated by "</span> &lt;&lt; f0;
00081 <span class="keywordflow">throw</span>;
00082 }
00083
00084 <span class="comment">// f0 and f1 should not dominate each other</span>
00085
00086 <span class="keywordflow">if</span> (f0.dominates(f1) || f1.dominates(f0))
00087 {
00088 std::cout &lt;&lt; f0 &lt;&lt; <span class="stringliteral">" and "</span> &lt;&lt; f1 &lt;&lt; <span class="stringliteral">" dominate"</span>;
00089 <span class="keywordflow">throw</span>;
00090 }
00091
00092 <span class="keywordflow">if</span> (! (f0 == f0))
00093 {
00094 std::cout &lt;&lt; <span class="stringliteral">"f0 == f0 failed"</span> &lt;&lt; std::endl;
00095 <span class="keywordflow">throw</span>;
00096 }
00097
00098 <span class="comment">// test ctors and such</span>
00099 MaxFitness f3 = f0;
00100 f3[0] += 1e-9;
00101
00102 <span class="comment">// test tolerance</span>
00103 assert(f3 == f0);
00104
00105 MinFitness m0;
00106 MinFitness m1;
00107 MinFitness m2;
00108 MinFitness m3;
00109
00110 m0[0] = 0.0;
00111 m0[1] = 1.0;
00112
00113 m1[0] = 1.0;
00114 m1[1] = 0.0;
00115
00116 m2[0] = 0.0;
00117 m2[1] = 0.5;
00118
00119 m3[0] = 0.5;
00120 m3[1] = 0.5;
00121
00122 <span class="comment">//m2 should dominate m0</span>
00123 assert(m2.dominates(m0));
00124
00125 assert(!m1.dominates(m0));
00126 assert(!m0.dominates(m1));
00127 assert(!m0.dominates(m2)); <span class="comment">// (m2 &lt; m0));</span>
00128 assert(m2.dominates(m3)); <span class="comment">//m3 &lt; m2);</span>
00129 assert(!m3.dominates(m2)); <span class="comment">// (m2 &lt; m3));</span>
00130 assert(m2.dominates(m3)); <span class="comment">//m2 &gt; m3);</span>
00131
00132
00134 <span class="comment">// now the run-time set-able number of objectives</span>
00136 <span class="comment"></span>
00137 std::cout &lt;&lt; <span class="stringliteral">"On y va"</span> &lt;&lt; std::endl;
00138
00139
00140 <span class="comment">// setup fitness WARNING do not try to allocate any EO before that (runtime error)</span>
00141 vector&lt;bool&gt; b(2, <span class="keyword">true</span>);
00142 b[0]=<span class="keyword">true</span>;
00143 b[1]=<span class="keyword">false</span>;
00144 VarFitness::setUp(2, b);
00145 std::cout &lt;&lt; <span class="stringliteral">"\nMAXimizing on Obj 0 and MINimizing on Obj 1\n"</span>;
00146
00147 VarFitness mv0;
00148 VarFitness mv1;
00149 VarFitness mv2;
00150 VarFitness mv3;
00151
00152 mv0[0] = 0.0;
00153 mv0[1] = 1.0;
00154
00155 mv1[0] = 1.0;
00156 mv1[1] = 0.0;
00157
00158 mv2[0] = 0.0;
00159 mv2[1] = 0.5;
00160
00161 mv3[0] = 0.5;
00162 mv3[1] = 0.5;
00163
00164 compare &lt;VarFitness&gt;(mv0,mv1);
00165 compare &lt;VarFitness&gt;(mv0,mv2);
00166 compare &lt;VarFitness&gt;(mv0,mv3);
00167 compare &lt;VarFitness&gt;(mv1,mv2);
00168 compare &lt;VarFitness&gt;(mv1,mv3);
00169 compare &lt;VarFitness&gt;(mv2,mv3);
00170
00171 std::cout &lt;&lt; <span class="stringliteral">"\nChanging now the min &lt;-&gt; max\n"</span>;
00172 b[0]=<span class="keyword">false</span>;
00173 b[1]=<span class="keyword">true</span>;
00174 VarFitness::setUp(2, b);
00175 std::cout &lt;&lt; <span class="stringliteral">"\nMINimizing on Obj 0 and MAXimizing on Obj 1\n"</span>;
00176 compare &lt;VarFitness&gt;(mv0,mv1);
00177 compare &lt;VarFitness&gt;(mv0,mv2);
00178 compare &lt;VarFitness&gt;(mv0,mv3);
00179 compare &lt;VarFitness&gt;(mv1,mv2);
00180 compare &lt;VarFitness&gt;(mv1,mv3);
00181 compare &lt;VarFitness&gt;(mv2,mv3);
00182
00183 std::cout &lt;&lt; <span class="stringliteral">"\nTesting WARNING\n"</span>;
00184 b.resize(3);
00185 b[0]=<span class="keyword">false</span>;
00186 b[1]=<span class="keyword">true</span>;
00187 b[2]=<span class="keyword">true</span>;
00188 VarFitness::setUp(3, b);
00189
00190 }
00191 <span class="keywordflow">catch</span>(std::exception&amp; e)
00192 {
00193 std::cout &lt;&lt; e.what() &lt;&lt; std::endl;
00194 }
00195
00196 }
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