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</font></tt></b><tt><font color="#993399">// and put it in the population</font></tt>
<br><b><tt><font color="#993399">&nbsp;&nbsp;&nbsp;&nbsp; }</font></tt></b></td>
</tr>
</table>
<a NAME="output"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
<tr>
<td><tt><font color="#3366FF"><b>&nbsp;</b>// sort pop before printing
it!</font></tt>
<br><b><tt><font color="#3366FF">&nbsp;pop.sort();</font></tt></b>
<br><tt><font color="#3366FF"><b>&nbsp;</b>// Print (sorted) intial population
(raw printout)</font></tt>
<br><b><tt><font color="#3366FF">&nbsp;cout &lt;&lt; "Initial Population"
&lt;&lt; endl;</font></tt></b>
<br><b><tt><font color="#3366FF">&nbsp;cout &lt;&lt; pop;</font></tt></b></td>
</tr>
</table>
<a NAME="engine"></a>
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<tr>
<td><tt><font color="#009900"><b>&nbsp;</b>/////////////////////////////////////</font></tt>
<br><tt><font color="#009900"><b>&nbsp;</b>// selection and replacement</font></tt>
<br><tt><font color="#009900"><b>&nbsp;</b>////////////////////////////////////</font></tt></td>
</tr>
</table>
<a NAME="select"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
<tr>
<td><tt><font color="#009900"><b>&nbsp;</b>// The robust tournament selection</font></tt>
<br><tt><font color="#009900"><b>&nbsp;eoDetTournamentSelect&lt;Indi> select(T_SIZE);&nbsp;
</b>// T_SIZE in [2,POP_SIZE]</font></tt></td>
</tr>
</table>
<a NAME="replace"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
<tr>
<td><tt><font color="#009900"><b>&nbsp;</b>// The simple GA evolution engine
uses generational replacement</font></tt>
<br><tt><font color="#009900"><b>&nbsp;</b>// so no replacement procedure
is needed</font></tt></td>
</tr>
</table>
<a NAME="stop"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
<tr>
<td></td>
</tr>
</table>
<a NAME="operators"></a>
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<tr>
<td><tt><font color="#993399"><b>&nbsp;</b>//////////////////////////////////////</font></tt>
<br><tt><font color="#993399"><b>&nbsp;</b>// The variation operators</font></tt>
<br><tt><font color="#993399"><b>&nbsp;</b>//////////////////////////////////////</font></tt></td>
</tr>
</table>
<a NAME="crossover"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
<tr>
<td><tt><font color="#993399"><b>&nbsp;</b>// 1-point crossover for bitstring</font></tt>
<br><b><tt><font color="#993399">&nbsp;eo1PtBitXover&lt;Indi> xover;</font></tt></b></td>
</tr>
</table>
<a NAME="mutation"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
<tr>
<td>
<br><tt><font color="#993399"><b>&nbsp;</b>// standard bit-flip mutation
for bitstring</font></tt>
<br><b><tt><font color="#993399">&nbsp;eoBitMutation&lt;Indi>&nbsp; mutation(P_MUT_PER_BIT);</font></tt></b></td>
</tr>
</table>
<a NAME="stop"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
<tr>
<td><tt><font color="#3366FF"><b>&nbsp;</b>//////////////////////////////////////</font></tt>
<br><tt><font color="#3366FF"><b>&nbsp;</b>// termination condition</font></tt>
<br><tt><font color="#3366FF"><b>&nbsp;</b>/////////////////////////////////////</font></tt>
<br><tt><font color="#3366FF"><b>&nbsp;</b>// stop after MAX_GEN generations</font></tt>
<br><b><tt><font color="#3366FF">&nbsp;eoGenContinue&lt;Indi> continuator(MAX_GEN);</font></tt></b>
<br>&nbsp;</td>
</tr>
</table>
<a NAME="generation"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
<tr>
<td><tt><font color="#FF6666"><b>&nbsp;</b>/////////////////////////////////////////</font></tt>
<br><tt><font color="#FF6666"><b>&nbsp;</b>// the algorithm</font></tt>
<br><tt><font color="#FF6666"><b>&nbsp;</b>////////////////////////////////////////</font></tt>
<br><tt><font color="#FF6666"><b>&nbsp;</b>// standard Generational GA
requires as parameters</font></tt>
<br><tt><font color="#FF6666"><b>&nbsp;</b>// selection, evaluation, crossover
and mutation, stopping criterion</font></tt>
<p><b><tt><font color="#FF6666">&nbsp;eoSGA&lt;Indi> gga(select, xover,
CROSS_RATE, mutation, MUT_RATE,&nbsp;</font></tt></b>
<br><b><tt><font color="#FF6666">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
eval, continuator);</font></tt></b>
<br><tt><font color="#FF6666"><b>&nbsp;</b>// Apply algo to pop - that's
it!</font></tt>
<br><b><tt><font color="#FF6666">&nbsp;gga(pop);</font></tt></b>
<br>&nbsp;</td>
</tr>
</table>
<a NAME="final_output"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
<tr>
<td><tt><font color="#3366FF"><b>&nbsp;</b>// Print (sorted) intial population</font></tt>
<br><b><tt><font color="#3366FF">&nbsp;pop.sort();</font></tt></b>
<br><b><tt><font color="#3366FF">&nbsp;cout &lt;&lt; "FINAL Population\n"
&lt;&lt; pop &lt;&lt; endl;</font></tt></b></td>
</tr>
</table>
<a NAME="main"></a>
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
<tr>
<td><b><tt><font color="#993300">}</font></tt></b>
<br><tt><font color="#993300">// A main that catches the exceptions</font></tt>
<br><b><tt><font color="#993300">int main(int argc, char **argv)</font></tt></b>
<br><b><tt><font color="#993300">{</font></tt></b>
<br><b><tt><font color="#993300">#ifdef _MSC_VER</font></tt></b>
<br><tt><font color="#993300"><b>&nbsp;</b>//&nbsp; rng.reseed(42);</font></tt>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; flag
|= _CRTDBG_LEAK_CHECK_DF;</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; _CrtSetDbgFlag(flag);</font></tt></b>
<br><tt><font color="#993300">//&nbsp;&nbsp;&nbsp; _CrtSetBreakAlloc(100);</font></tt>
<br><b><tt><font color="#993300">#endif</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; try</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; {</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
main_function(argc, argv);</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; }</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; catch(exception&amp;
e)</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; {</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
cout &lt;&lt; "Exception: " &lt;&lt; e.what() &lt;&lt; '\n';</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; }</font></tt></b>
<br><b><tt><font color="#993300">&nbsp;&nbsp;&nbsp;&nbsp; return 1;</font></tt></b>
<br><b><tt><font color="#993300">}</font></tt></b></td>
</tr>
</table>

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<a href="mailto:[e-mail]">Marc Schoenauer</a></address>

<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last modified: Sun Nov
19 08:31:26 2000<!-- hhmts end -->
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