c3aec878e5
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f
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18 KiB
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255 lines
18 KiB
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<title>EO: t-eoSharing.cpp Source File</title>
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<h1>t-eoSharing.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
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00002 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
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00003 <span class="preprocessor">#endif</span>
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00004 <span class="preprocessor"></span>
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00005 <span class="comment">// to avoid long name warnings</span>
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00006 <span class="preprocessor">#ifdef _MSC_VER</span>
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00007 <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable:4786)</span>
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00008 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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00009 <span class="preprocessor"></span>
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00010 <span class="preprocessor">#include <iostream></span>
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00011 <span class="preprocessor">#include <sstream></span>
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00012 <span class="preprocessor">#include <stdexcept></span>
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00013 <span class="preprocessor">#include <vector></span>
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00014
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00015 <span class="comment">// general</span>
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00016 <span class="preprocessor">#include <eo></span>
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00017 <span class="preprocessor">#include <utils/eoDistance.h></span>
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00018
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00019 <span class="comment">//-----------------------------------------------------------------------------</span>
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00020
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00021 <span class="keyword">struct </span><a class="code" href="struct_dummy.html">Dummy</a> : <span class="keyword">public</span> <a class="code" href="class_e_o.html">EO</a><double>
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00022 {
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00023 <span class="keyword">typedef</span> <span class="keywordtype">double</span> Type;
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<a name="l00024"></a><a class="code" href="struct_dummy.html#a4">00024</a> <span class="keywordtype">void</span> <a class="code" href="struct_dummy.html#a1">printOn</a>(std::ostream & _os)<span class="keyword"> const</span>
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00025 <span class="keyword"> </span>{
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00026 <a class="code" href="class_e_o.html#z10_2">EO<double>::printOn</a>(_os);
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00027 std::cout << <span class="stringliteral">" "</span> << xdist ;
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00028 }
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00029 <span class="keywordtype">double</span> xdist;
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00030 };
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00031
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00032 <span class="keyword">class</span>
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00033 <span class="keyword"></span>eoDummyDistance : <span class="keyword">public</span> <a class="code" href="classeo_distance.html">eoDistance</a><Dummy>
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00034 {
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00035 <span class="keywordtype">double</span> <a class="code" href="classeo_b_f.html#a1">operator()</a>(<span class="keyword">const</span> <a class="code" href="struct_dummy.html">Dummy</a> & _v1, <span class="keyword">const</span> <a class="code" href="struct_dummy.html">Dummy</a> & _v2)
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00036 {
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00037 <span class="keywordtype">double</span> r= _v1.<a class="code" href="struct_dummy.html#o1">xdist</a> - _v2.<a class="code" href="struct_dummy.html#o1">xdist</a>;
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00038 <span class="keywordflow">return</span> sqrt(r*r);
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00039 }
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00040 };
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00041
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00042
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00043 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="struct_dummy.html">Dummy</a> & _d1, <span class="keyword">const</span> <a class="code" href="struct_dummy.html">Dummy</a> & _d2)
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00044 {
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00045 <span class="keywordflow">return</span> _d1.<a class="code" href="class_e_o.html#a2">fitness</a>() == _d2.<a class="code" href="class_e_o.html#a2">fitness</a>();
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00046 }
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00047
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00048 <span class="keyword">struct </span>eoDummyPop : <span class="keyword">public</span> <a class="code" href="classeo_pop.html">eoPop</a><Dummy>
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00049 {
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00050 <span class="keyword">public</span> :
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00051 eoDummyPop(<span class="keywordtype">int</span> s=0) { resize(s); }
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00052 };
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00053
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00054 <span class="comment">// helper - DOES NOT WORK if different individuals have same fitness!!!</span>
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00055 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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00056 <span class="keywordtype">unsigned</span> isInPop(<a class="code" href="struct_dummy.html">EOT</a> & _indi, <a class="code" href="classeo_pop.html">eoPop<EOT></a> & _pop)
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00057 {
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00058 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<_pop.size(); i++)
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00059 <span class="keywordflow">if</span> (_pop[i] == _indi)
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00060 <span class="keywordflow">return</span> i;
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00061 <span class="keywordflow">return</span> _pop.size();
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00062 }
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00063
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00064 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pSize; <span class="comment">// global variable, bouh!</span>
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00065 std::string fitnessType; <span class="comment">// yes, a global variable :-)</span>
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00066 eoDummyPop parentsOrg;
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00067
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00068 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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00069 <span class="keywordtype">void</span> testSelectMany(<a class="code" href="classeo_select.html">eoSelect<EOT></a> & _select, std::string _name)
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00070 {
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00071 <span class="keywordtype">unsigned</span> i;
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00072 std::cout << <span class="stringliteral">"\n\n"</span> << fitnessType + _name << std::endl;
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00073 std::cout << <span class="stringliteral">"===============\n"</span>;
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00074
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00075 eoDummyPop parents(parentsOrg);
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00076 eoDummyPop offspring(0);
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00077
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00078 <span class="comment">// do the selection</span>
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00079 _select(parents, offspring);
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00080
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00081 <span class="comment">// cout << "Pop offspring \n" << offspring << endl;</span>
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00082
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00083 <span class="comment">// compute stats</span>
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00084 std::vector<unsigned> nb(parents.size(), 0);
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00085 <span class="keywordflow">for</span> (i=0; i<offspring.size(); i++)
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00086 {
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00087 <span class="keywordtype">unsigned</span> trouve = isInPop<Dummy>(offspring[i], parents);
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00088 <span class="keywordflow">if</span> (trouve == parents.size()) <span class="comment">// pas trouve</span>
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00089 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Pas trouve ds parents"</span>);
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00090 nb[trouve]++;
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00091 }
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00092 <span class="comment">// dump to file so you can plot using gnuplot - dir name is hardcoded!</span>
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00093 std::string fName = <span class="stringliteral">"ResSelect/"</span> + fitnessType + _name + <span class="stringliteral">".select"</span>;
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00094 std::ofstream os(fName.c_str());
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00095 <span class="keywordflow">for</span> (i=0; i<parents.size(); i++)
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00096 {
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00097 std::cout << i << <span class="stringliteral">" -> "</span> << ( (double)nb[i])/offspring.size() << std::endl;
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00098 os << i << <span class="stringliteral">" "</span> << ( (double)nb[i])/offspring.size() << std::endl;
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00099 }
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00100
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00101 }
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00102
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00103 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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00104 <span class="keywordtype">void</span> testSelectOne(<a class="code" href="classeo_select_one.html">eoSelectOne<EOT></a> & _select, <a class="code" href="classeo_how_many.html">eoHowMany</a> & _offspringRate,
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00105 <a class="code" href="classeo_how_many.html">eoHowMany</a> & _fertileRate, std::string _name)
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00106 {
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00107 <a class="code" href="classeo_truncated_select_one.html">eoTruncatedSelectOne<EOT></a> truncSelect(_select, _fertileRate);
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00108 <a class="code" href="classeo_select_many.html">eoSelectMany<EOT></a> percSelect(truncSelect, _offspringRate);
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00109 testSelectMany<EOT>(percSelect, _name);
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00110 }
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00111
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00112
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00113 <span class="comment">//-----------------------------------------------------------------------------</span>
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00114
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00115 <span class="keywordtype">int</span> the_main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
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00116 {
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00117 <a class="code" href="classeo_parser.html">eoParser</a> parser(argc, argv);
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00118
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00119 <span class="comment">// random seed</span>
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00120 <a class="code" href="classeo_value_param.html">eoValueParam<uint32_t></a>& seedParam = parser.createParam(uint32_t(0), <span class="stringliteral">"seed"</span>, <span class="stringliteral">"Random number seed"</span>, <span class="charliteral">'S'</span>);
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00121 <span class="keywordflow">if</span> (seedParam.<a class="code" href="classeo_value_param.html#a2">value</a>() == 0)
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00122 seedParam.<a class="code" href="classeo_value_param.html#a2">value</a>() = time(0);
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00123 rng.<a class="code" href="classeo_rng.html#a2">reseed</a>(seedParam.<a class="code" href="classeo_value_param.html#a2">value</a>());
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00124
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00125
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00126 <span class="comment">// pSize global variable !</span>
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00127 <a class="code" href="classeo_value_param.html">eoValueParam<unsigned></a> pSizeParam = parser.createParam(<span class="keywordtype">unsigned</span>(10), <span class="stringliteral">"parentSize"</span>, <span class="stringliteral">"Parent size"</span>,<span class="charliteral">'P'</span>);
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00128 pSize = pSizeParam.<a class="code" href="classeo_value_param.html#a2">value</a>();
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00129
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00130 <a class="code" href="classeo_how_many.html">eoHowMany</a> oRate = parser.createParam(<a class="code" href="classeo_how_many.html">eoHowMany</a>(1.0), <span class="stringliteral">"offsrpringRate"</span>, <span class="stringliteral">"Offsrpring rate (% or absolute)"</span>,<span class="charliteral">'O'</span>).<a class="code" href="classeo_value_param.html#a2">value</a>();
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00131
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00132 <a class="code" href="classeo_how_many.html">eoHowMany</a> fRate = parser.createParam(<a class="code" href="classeo_how_many.html">eoHowMany</a>(1.0), <span class="stringliteral">"fertileRate"</span>, <span class="stringliteral">"Fertility rate (% or absolute)"</span>,<span class="charliteral">'F'</span>).<a class="code" href="classeo_value_param.html#a2">value</a>();
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00133
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00134
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00135 <span class="keywordtype">double</span> nicheSize = parser.createParam(0.1, <span class="stringliteral">"nicheSize"</span>, <span class="stringliteral">"Paramter Sigma for Sharing"</span>,<span class="charliteral">'\0'</span>).<a class="code" href="classeo_value_param.html#a2">value</a>();
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00136
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00137 <a class="code" href="classeo_param_param_type.html">eoParamParamType</a> & peakParam = parser.createParam(<a class="code" href="classeo_param_param_type.html">eoParamParamType</a>(<span class="stringliteral">"2(1,2)"</span>), <span class="stringliteral">"peaks"</span>, <span class="stringliteral">"Description of the peaks: N(nb1,nb2,...,nbN)"</span>, <span class="charliteral">'p'</span>).<a class="code" href="classeo_value_param.html#a2">value</a>();
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00138
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00139 <span class="comment">// the number of peaks: first item of the paramparam</span>
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00140 <span class="keywordtype">unsigned</span> peakNumber = atoi(peakParam.first.c_str());
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00141 <span class="keywordflow">if</span> (peakNumber < 2)
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00142 {
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00143 std::cerr << <span class="stringliteral">"WARNING, nb of peaks must be larger than 2, using 2"</span> << std::endl;
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00144 peakNumber = 2;
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00145 }
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00146
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00147 std::vector<unsigned> nbIndiPerPeak(peakNumber);
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00148 <span class="keywordtype">unsigned</span> i, sum=0;
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00149
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00150 <span class="comment">// the second item is a vector<string> containing all values</span>
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00151 <span class="keywordflow">if</span> (!peakParam.second.size()) <span class="comment">// no other parameter : equal peaks</span>
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00152 {
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00153 std::cerr << <span class="stringliteral">"WARNING, no nb of indis per peaks, using equal nbs"</span> << std::endl;
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00154 <span class="keywordflow">for</span> (i=0; i<peakNumber; i++)
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00155 nbIndiPerPeak[i] = pSize/peakNumber;
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00156 }
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00157 <span class="keywordflow">else</span> <span class="comment">// parameters passed by user</span>
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00158 <span class="keywordflow">if</span> (peakParam.second.size() != peakNumber)
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00159 {
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00160 std::cerr << <span class="stringliteral">"ERROR, not enough nb of indis per peaks"</span> << std::endl;
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00161 exit(1);
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00162 }
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00163 <span class="keywordflow">else</span> <span class="comment">// now we have in peakParam.second all numbers</span>
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00164 {
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00165 <span class="keywordflow">for</span> (i=0; i<peakNumber; i++)
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00166 sum += ( nbIndiPerPeak[i] = atoi(peakParam.second[i].c_str()) );
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00167 <span class="comment">// now normalize</span>
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00168 <span class="keywordflow">for</span> (i=0; i<peakNumber; i++)
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00169 nbIndiPerPeak[i] = nbIndiPerPeak[i] * pSize / sum;
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00170 }
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00171
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00172 <span class="comment">// compute exact total</span>
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00173 sum = 0;
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00174 <span class="keywordflow">for</span> (i=0; i<peakNumber; i++)
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00175 sum += nbIndiPerPeak[i];
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00176 <span class="keywordflow">if</span> (sum != pSize)
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00177 {
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00178 pSize = pSizeParam.<a class="code" href="classeo_value_param.html#a2">value</a>() = sum;
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00179 std::cerr << <span class="stringliteral">"WARNING, adjusting pSize to "</span> << pSize << std::endl;
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00180 }
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00181
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00182 make_help(parser);
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00183
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00184 <span class="comment">// hard-coded directory name ...</span>
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00185 std::cout << <span class="stringliteral">"Testing the Sharing\n"</span>;
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00186 std::cout << <span class="stringliteral">" There will be "</span> << peakNumber << <span class="stringliteral">" peaks"</span>;
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00187 std::cout << <span class="stringliteral">" with respective pops "</span>;
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00188 <span class="keywordflow">for</span> (i=0; i<peakNumber; i++)
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00189 std::cout << nbIndiPerPeak[i] << <span class="stringliteral">", "</span>;
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00190 std::cout << <span class="stringliteral">"\n Peaks are at distance 1 from one-another (dim 1),\n"</span>;
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00191 std::cout << <span class="stringliteral">" fitness of each peak is nb of peak, and\n"</span>;
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00192 std::cout << <span class="stringliteral">" fitness of individuals = uniform[fitness of peak +- 0.01]\n\n"</span>;
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00193
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00194 std::cout << <span class="stringliteral">"The resulting file (in dir ResSelect), contains \n"</span>;
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00195 std::cout << <span class="stringliteral">" the empirical proba. for each indi to be selected."</span> << std::endl;
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00196 system(<span class="stringliteral">"mkdir ResSelect"</span>);
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00197
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00198 <span class="comment">// initialize parent population</span>
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00199 parentsOrg.resize(pSize);
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00200
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00201 <span class="comment">// all peaks of equal size in fitness, with different nn of individuals</span>
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00202 <span class="keywordtype">unsigned</span> index=0;
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00203 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> nbP=0; nbP<peakNumber; nbP++)
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00204 <span class="keywordflow">for</span> (i=0; i<nbIndiPerPeak[nbP]; i++)
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00205 {
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00206 parentsOrg[index].fitness(nbP+1 + 0.02*eo::rng.uniform() - 0.01);
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00207 parentsOrg[index].xdist = nbP+1 + 0.02*eo::rng.uniform() - 0.01;
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00208 index++;
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00209 }
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00210
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00211 std::cout << <span class="stringliteral">"Initial population\n"</span> << parentsOrg << std::endl;
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00212
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00213 <span class="keywordtype">char</span> fileName[1024];
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00214
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00215 <span class="comment">// the selection procedures under test</span>
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00216 <span class="comment">// eoDetSelect<Dummy> detSelect(oRate);</span>
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00217 <span class="comment">// testSelectMany(detSelect, "detSelect");</span>
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00218
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00219 <span class="comment">// Sharing using the perf2Worth construct</span>
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00220 <span class="comment">// need a distance for that</span>
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00221 eoDummyDistance dist;
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00222 <a class="code" href="classeo_sharing_select.html">eoSharingSelect<Dummy></a> newSharingSelect(nicheSize, dist);
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00223 sprintf(fileName,<span class="stringliteral">"Niche_%g"</span>,nicheSize);
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00224 testSelectOne<Dummy>(newSharingSelect, oRate, fRate, fileName);
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00225
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00226 <span class="keywordflow">return</span> 1;
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00227 }
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00228
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00229 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
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00230 {
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00231 <span class="keywordflow">try</span>
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00232 {
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00233 the_main(argc, argv);
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00234 }
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00235 <span class="keywordflow">catch</span>(std::exception& e)
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00236 {
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00237 std::cout << <span class="stringliteral">"Exception: "</span> << e.what() << std::endl;
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00238 <span class="keywordflow">return</span> 1;
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00239 }
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00240 }
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:43 2006 for EO 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> 1.3.9.1 </small></address>
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