Paradiseo-eo sources added
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trunk/paradiseo-eo/doc/html/eo_populator_8h-source.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
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<title>EO: eoPopulator.h Source File</title>
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<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
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<h1>eoPopulator.h</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>
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00002
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00003 <span class="comment">//-----------------------------------------------------------------------------</span>
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00004 <span class="comment">// eoPopulator.h</span>
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00005 <span class="comment">// (c) Maarten Keijzer and Marc Schoenauer, 2001</span>
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00006 <span class="comment">/*</span>
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00007 <span class="comment"> This library is free software; you can redistribute it and/or</span>
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00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
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00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
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00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
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00011 <span class="comment"></span>
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00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
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00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
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00015 <span class="comment"> Lesser General Public License for more details.</span>
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00016 <span class="comment"></span>
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00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
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00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
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00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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00020 <span class="comment"></span>
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00021 <span class="comment"> Contact: mkeijzer@dhi.dk</span>
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00022 <span class="comment"> Marc.Schoenauer@polytechnique.fr</span>
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00023 <span class="comment"> */</span>
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00024 <span class="comment">//-----------------------------------------------------------------------------</span>
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00025
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00026 <span class="preprocessor">#ifndef _eoPopulator_H</span>
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00027 <span class="preprocessor"></span><span class="preprocessor">#define _eoPopulator_H</span>
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00028 <span class="preprocessor"></span>
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00029 <span class="preprocessor">#include <eoPop.h></span>
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00030 <span class="preprocessor">#include <eoSelectOne.h></span>
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00031
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00038 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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<a name="l00039"></a><a class="code" href="classeo_populator.html">00039</a> <span class="keyword">class </span><a class="code" href="classeo_populator.html">eoPopulator</a>
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00040 {
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00041 <span class="keyword">public</span> :
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00042
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00043 <a class="code" href="classeo_populator.html">eoPopulator</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _src, <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _dest) : dest(_dest), current(dest.end()), src(_src)
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00044 {
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00045 dest.reserve(src.size()); <span class="comment">// we don't know this, but wth.</span>
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00046 current = dest.end();
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00047 }
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00048
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<a name="l00050"></a><a class="code" href="classeo_populator.html#a1">00050</a> <span class="keyword">virtual</span> ~<a class="code" href="classeo_populator.html">eoPopulator</a>() {};
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00051
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00052 <span class="keyword">struct </span>OutOfIndividuals {};
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00053
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<a name="l00058"></a><a class="code" href="classeo_populator.html#a2">00058</a> <a class="code" href="struct_dummy.html">EOT</a>& operator*(<span class="keywordtype">void</span>)
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00059 {
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00060 <span class="keywordflow">if</span> (current == dest.end())
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00061 get_next(); <span class="comment">// get a new individual</span>
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00062
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00063 <span class="keywordflow">return</span> *current;
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00064 }
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00065
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<a name="l00070"></a><a class="code" href="classeo_populator.html#a3">00070</a> <a class="code" href="classeo_populator.html">eoPopulator</a>& operator++()
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00071 {
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00072 <span class="keywordflow">if</span> (current == dest.end())
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00073 { <span class="comment">// keep the pointer there</span>
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00074 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
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00075 }
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00076 <span class="comment">// else</span>
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00077 ++current;
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00078 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
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00079 }
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00080
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<a name="l00084"></a><a class="code" href="classeo_populator.html#a4">00084</a> <span class="keywordtype">void</span> insert(<span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>& _eo)
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00085 { <span class="comment">/* not really efficient, but its nice to have */</span>
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00086 current = dest.insert(current, _eo);
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00087 }
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00088
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<a name="l00091"></a><a class="code" href="classeo_populator.html#a5">00091</a> <span class="keywordtype">void</span> reserve(<span class="keywordtype">int</span> how_many)
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00092 {
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00093 size_t sz = current - dest.begin();
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00094 <span class="keywordflow">if</span> (dest.capacity() < dest.size() + how_many)
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00095 {
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00096 dest.reserve(dest.size() + how_many);
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00097 }
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00098
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00099 current = dest.begin() + sz;
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00100 }
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00101
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<a name="l00105"></a><a class="code" href="classeo_populator.html#a6">00105</a> <span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>& source(<span class="keywordtype">void</span>) { <span class="keywordflow">return</span> src; }
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00106
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<a name="l00110"></a><a class="code" href="classeo_populator.html#a7">00110</a> <a class="code" href="classeo_pop.html">eoPop<EOT></a>& offspring(<span class="keywordtype">void</span>) { <span class="keywordflow">return</span> dest; }
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00111
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00112 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> position_type;
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00113
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<a name="l00115"></a><a class="code" href="classeo_populator.html#a8">00115</a> position_type tellp() { <span class="keywordflow">return</span> current - dest.begin(); }
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<a name="l00117"></a><a class="code" href="classeo_populator.html#a9">00117</a> <span class="keywordtype">void</span> seekp(position_type pos) { current = dest.begin() + pos; }
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<a name="l00119"></a><a class="code" href="classeo_populator.html#a10">00119</a> <span class="keywordtype">bool</span> exhausted(<span class="keywordtype">void</span>) { <span class="keywordflow">return</span> current == dest.end(); }
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00120
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00124 <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>& select() = 0;
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00125
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00126 <span class="keyword">protected</span>:
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00127 <a class="code" href="classeo_pop.html">eoPop<EOT></a>& dest;
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00128 <span class="keyword">typename</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>::iterator current;
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00129 <span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>& src;
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00130
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00131 <span class="keyword">private</span>:
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00132
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00133 <span class="keywordtype">void</span> get_next() {
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00134 <span class="keywordflow">if</span>(current == dest.end())
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00135 { <span class="comment">// get new individual from derived class select()</span>
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00136 dest.push_back(select());
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00137 current = dest.end();
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00138 --current;
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00139 <span class="keywordflow">return</span>;
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00140 }
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00141 <span class="comment">// else</span>
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00142 ++current;
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00143 <span class="keywordflow">return</span>;
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00144 }
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00145
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00146 };
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00147
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00148
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00153 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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00154 <span class="keyword">class </span><a class="code" href="classeo_seq_populator.html">eoSeqPopulator</a> : <span class="keyword">public</span> <a class="code" href="classeo_populator.html">eoPopulator</a><EOT>
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00155 {
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00156 <span class="keyword">public</span>:
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00157
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00158 <span class="keyword">using</span> <a class="code" href="classeo_populator.html">eoPopulator< EOT ></a>::src;
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00159
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00160 <a class="code" href="classeo_seq_populator.html">eoSeqPopulator</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _pop, <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _dest) :
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00161 <a class="code" href="classeo_populator.html">eoPopulator</a><<a class="code" href="struct_dummy.html">EOT</a>>(_pop, _dest), current(0) {}
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<a name="l00162"></a><a class="code" href="classeo_seq_populator.html#a1">00162</a>
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00164 <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>& <a class="code" href="classeo_seq_populator.html#a1">select</a>(<span class="keywordtype">void</span>) {
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00165 <span class="keywordflow">if</span>(current >= <a class="code" href="classeo_populator.html">eoPopulator< EOT ></a>::src.size()) {
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00166 <span class="keywordflow">throw</span> OutOfIndividuals();
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00167 }
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00168
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00169 <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>& res = src[current++];
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00170 <span class="keywordflow">return</span> res;
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00171 }
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00172
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00173
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00174 <span class="keyword">private</span>:
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00175
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00176 <span class="keyword">struct </span>OutOfIndividuals {};
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00177
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00178 <span class="keywordtype">unsigned</span> current;
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00179 };
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00180
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00181
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00185 <span class="keyword">template</span> <<span class="keyword">class</span> EOT>
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00186 <span class="keyword">class </span><a class="code" href="classeo_selective_populator.html">eoSelectivePopulator</a> : <span class="keyword">public</span> <a class="code" href="classeo_populator.html">eoPopulator</a><EOT>
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00187 {
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00188 <span class="keyword">public</span> :
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00189
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00190 <span class="keyword">using</span> <a class="code" href="classeo_populator.html">eoPopulator< EOT ></a>::src;
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00191
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00192 <a class="code" href="classeo_selective_populator.html">eoSelectivePopulator</a>(<span class="keyword">const</span> <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _pop, <a class="code" href="classeo_pop.html">eoPop<EOT></a>& _dest, <a class="code" href="classeo_select_one.html">eoSelectOne<EOT></a>& _sel)
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00193 : <a class="code" href="classeo_populator.html">eoPopulator</a><<a class="code" href="struct_dummy.html">EOT</a>>(_pop, _dest), sel(_sel)
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00194 { sel.<a class="code" href="classeo_select_one.html#a0">setup</a>(_pop); };
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<a name="l00195"></a><a class="code" href="classeo_selective_populator.html#a1">00195</a>
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00197 <span class="keyword">const</span> <a class="code" href="struct_dummy.html">EOT</a>& <a class="code" href="classeo_selective_populator.html#a1">select</a>() {
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00198 <span class="keywordflow">return</span> sel(src);
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00199 }
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00200
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00201
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00202 <span class="keyword">private</span>:
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00203
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00204 <a class="code" href="classeo_select_one.html">eoSelectOne<EOT></a>& sel;
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00205 };
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00206
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00207 <span class="preprocessor">#endif</span>
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00208 <span class="preprocessor"></span>
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:37 2006 for EO by
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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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