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<title>EO: eoOneFifthMutation&lt; EOT &gt; Class Template Reference</title>
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<h1>eoOneFifthMutation&lt; EOT &gt; Class Template Reference</h1>the dynamic version: just say it is updatable - and write the <a class="el" href="classeo_one_fifth_mutation.html#a3">update()</a> method! here the 1 fifth rule: count the proportion of successful mutations, and increase sigma if more than threshold (1/5 !)
<a href="#_details">More...</a>
<p>
<code>#include &lt;<a class="el" href="eo_normal_mutation_8h-source.html">eoNormalMutation.h</a>&gt;</code>
<p>
<p>Inheritance diagram for eoOneFifthMutation&lt; EOT &gt;:
<p><center><img src="classeo_one_fifth_mutation.png" usemap="#eoOneFifthMutation< EOT >_map" border="0" alt=""></center>
<map name="eoOneFifthMutation< EOT >_map">
<area href="classeo_normal_mutation.html" alt="eoNormalMutation< EOT >" shape="rect" coords="101,168,294,192">
<area href="classeo_updatable.html" alt="eoUpdatable" shape="rect" coords="304,168,497,192">
<area href="classeo_mon_op.html" alt="eoMonOp< EOT >" shape="rect" coords="101,112,294,136">
<area href="classeo_op.html" alt="eoOp< EOT >" shape="rect" coords="0,56,193,80">
<area href="classeo_u_f.html" alt="eoUF< EOT &, bool >" shape="rect" coords="203,56,396,80">
<area href="classeo_functor_base.html" alt="eoFunctorBase" shape="rect" coords="101,0,294,24">
</map>
<a href="classeo_one_fifth_mutation-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="w0" doxytag="eoOneFifthMutation::Fitness"></a>
typedef EOT::Fitness&nbsp;</td><td class="memItemRight" valign="bottom"><b>Fitness</b></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeo_one_fifth_mutation.html#a0">eoOneFifthMutation</a> (<a class="el" href="classeo_eval_func.html">eoEvalFunc</a>&lt; <a class="el" href="struct_dummy.html">EOT</a> &gt; &amp;_eval, double &amp;_sigmaInit, unsigned _windowSize=10, double _updateFactor=0.83, double _threshold=0.2)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">(Default) Constructor. <a href="#a0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a1" doxytag="eoOneFifthMutation::className"></a>
virtual std::string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeo_one_fifth_mutation.html#a1">className</a> () const </td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">The class name. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeo_one_fifth_mutation.html#a2">operator()</a> (<a class="el" href="struct_dummy.html">EOT</a> &amp;_eo)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Do it! calls the standard mutation, then checks for success and updates stats. <a href="#a2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a3" doxytag="eoOneFifthMutation::update"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeo_one_fifth_mutation.html#a3">update</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">the method that will be called every generation if the object is added to the checkpoint <br></td></tr>
<tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="r0" doxytag="eoOneFifthMutation::eval"></a>
<a class="el" href="classeo_eval_func.html">eoEvalFunc</a>&lt; <a class="el" href="struct_dummy.html">EOT</a> &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>eval</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="r1" doxytag="eoOneFifthMutation::threshold"></a>
double&nbsp;</td><td class="memItemRight" valign="bottom"><b>threshold</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="r2" doxytag="eoOneFifthMutation::updateFactor"></a>
double&nbsp;</td><td class="memItemRight" valign="bottom"><b>updateFactor</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="r3" doxytag="eoOneFifthMutation::nbMut"></a>
std::vector&lt; unsigned &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><b>nbMut</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="r4" doxytag="eoOneFifthMutation::nbSuccess"></a>
std::vector&lt; unsigned &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><b>nbSuccess</b></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="r5" doxytag="eoOneFifthMutation::genIndex"></a>
unsigned&nbsp;</td><td class="memItemRight" valign="bottom"><b>genIndex</b></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<h3>template&lt;class EOT&gt;<br>
class eoOneFifthMutation&lt; EOT &gt;</h3>
the dynamic version: just say it is updatable - and write the <a class="el" href="classeo_one_fifth_mutation.html#a3">update()</a> method! here the 1 fifth rule: count the proportion of successful mutations, and increase sigma if more than threshold (1/5 !)
<p>
<p>
Definition at line <a class="el" href="eo_normal_mutation_8h-source.html#l00177">177</a> of file <a class="el" href="eo_normal_mutation_8h-source.html">eoNormalMutation.h</a>.<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="a0" doxytag="eoOneFifthMutation::eoOneFifthMutation"></a><p>
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template&lt;class EOT&gt; </td>
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<td class="md" nowrap valign="top"><a class="el" href="classeo_one_fifth_mutation.html">eoOneFifthMutation</a>&lt; <a class="el" href="struct_dummy.html">EOT</a> &gt;::<a class="el" href="classeo_one_fifth_mutation.html">eoOneFifthMutation</a> </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top"><a class="el" href="classeo_eval_func.html">eoEvalFunc</a>&lt; <a class="el" href="struct_dummy.html">EOT</a> &gt; &amp;&nbsp;</td>
<td class="mdname" nowrap> <em>_eval</em>, </td>
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<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>double &amp;&nbsp;</td>
<td class="mdname" nowrap> <em>_sigmaInit</em>, </td>
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<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>unsigned&nbsp;</td>
<td class="mdname" nowrap> <em>_windowSize</em> = <code>10</code>, </td>
</tr>
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<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>double&nbsp;</td>
<td class="mdname" nowrap> <em>_updateFactor</em> = <code>0.83</code>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>double&nbsp;</td>
<td class="mdname" nowrap> <em>_threshold</em> = <code>0.2</code></td>
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<td class="md"></td>
<td class="md">)&nbsp;</td>
<td class="md" colspan="2"><code> [inline]</code></td>
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&nbsp;
</td>
<td>
<p>
(Default) Constructor.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>eval</em>&nbsp;</td><td>the evaluation function, needed to recompute the fitmess </td></tr>
<tr><td valign="top"></td><td valign="top"><em>_sigmaInit</em>&nbsp;</td><td>the initial value for uniform mutation </td></tr>
<tr><td valign="top"></td><td valign="top"><em>_windowSize</em>&nbsp;</td><td>the size of the window for statistics </td></tr>
<tr><td valign="top"></td><td valign="top"><em>_threshold</em>&nbsp;</td><td>the threshold (the 1/5 - 0.2) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>_updateFactor</em>&nbsp;</td><td>multiplicative update factor for sigma </td></tr>
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</dl>
<p>
Definition at line <a class="el" href="eo_normal_mutation_8h-source.html#l00195">195</a> of file <a class="el" href="eo_normal_mutation_8h-source.html">eoNormalMutation.h</a>. </td>
</tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a2" doxytag="eoOneFifthMutation::operator()"></a><p>
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template&lt;class EOT&gt; </td>
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<td class="md" nowrap valign="top">bool <a class="el" href="classeo_one_fifth_mutation.html">eoOneFifthMutation</a>&lt; <a class="el" href="struct_dummy.html">EOT</a> &gt;::operator() </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top"><a class="el" href="struct_dummy.html">EOT</a> &amp;&nbsp;</td>
<td class="mdname1" valign="top" nowrap> <em>_eo</em> </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
<td class="md" nowrap><code> [inline, virtual]</code></td>
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</td>
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<td>
&nbsp;
</td>
<td>
<p>
Do it! calls the standard mutation, then checks for success and updates stats.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>_eo</em>&nbsp;</td><td>The chromosome undergoing the mutation </td></tr>
</table>
</dl>
<p>
Reimplemented from <a class="el" href="classeo_normal_mutation.html#a3">eoNormalMutation&lt; EOT &gt;</a>.
<p>
Definition at line <a class="el" href="eo_normal_mutation_8h-source.html#l00216">216</a> of file <a class="el" href="eo_normal_mutation_8h-source.html">eoNormalMutation.h</a>.
<p>
References <a class="el" href="_e_o_8h-source.html#l00060">EO&lt; F &gt;::fitness()</a>, <a class="el" href="_e_o_8h-source.html#l00081">EO&lt; F &gt;::invalid()</a>, <a class="el" href="_e_o_8h-source.html#l00067">EO&lt; F &gt;::invalidate()</a>, and <a class="el" href="eo_normal_mutation_8h-source.html#l00147">eoNormalMutation&lt; EOT &gt;::operator()()</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="eo_normal_mutation_8h-source.html">eoNormalMutation.h</a></ul>
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