Following the change in includes (added ga.h and es.h everywhere pfuhh)
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evomarc
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8 changed files with 761 additions and 850 deletions
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="GENERATOR" content="cpp2html Marc Schoenauer">
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<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
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<title>FirstBitEA.cpp</title>
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<!-- Changed by: Marc Schoenauer, 28-Nov-2000 -->
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<!-- Changed by: Marc Schoenauer, 28-Nov-2000 -->
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</head>
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<body text="#000000" bgcolor="#C3C2B4" link="#0000EE" vlink="#551A8B" alink="#FF0000">
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<a href="eoLesson2.html">Back to Lesson 2</a> - <a href="eoTutorial.html">Tutorial
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@ -16,344 +16,319 @@ documentation</a></font>
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<center>
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<h1>
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<font color="#FF0000">FirstBitEA.cpp</font></h1></center>
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Click on the figure to see the corresponding code.<br>
|
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In the code, the <a href="eoTutorial.html#colors">colors are meaningfull</a><br>
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The actual code is in boldface and the comment in normal face.
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<br><img SRC="EA_tutorial.jpg" USEMAP="#Map" >
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<map NAME="Map">
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<!-- Init -->
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||||
<area SHAPE="rect" HREF="#init" COORDS="14,31,135,70">
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<area SHAPE="rect" HREF="#eval" COORDS="14,110,135,150">
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<!-- main loop -->
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<area SHAPE="rect" HREF="#representation" COORDS="170,110,295,150">
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<area SHAPE="rect" HREF="#output" COORDS="280,45,480,70">
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<area SHAPE="rect" HREF="#stop" COORDS="348,110,430,150">
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<area SHAPE="rect" HREF="#select" COORDS="495,110,615,150">
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<area SHAPE="rect" HREF="#replace" COORDS="170,190,295,230">
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<!-- Center of loop -->
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<area SHAPE="rect" HREF="#generation" COORDS="310,160,485,260">
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<!-- 4 bottom lines -->
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<area SHAPE="rect" HREF="#operators" COORDS="15,350,260,370">
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</map>
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<br>
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<A NAME="start"></a>
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Click on the figure to see the corresponding code.
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<br>In the code, the <a href="eoTutorial.html#colors">colors are meaningfull</a>
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<br>The actual code is in boldface and the comment in normal face.
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<br><img SRC="EA_tutorial.jpg" USEMAP="#Map" ><map NAME="Map"><!-- Init --><area SHAPE="rect" HREF="#init" COORDS="14,31,135,70"><area SHAPE="rect" HREF="#eval" COORDS="14,110,135,150"><!-- main loop --><area SHAPE="rect" HREF="#representation" COORDS="170,110,295,150"><area SHAPE="rect" HREF="#output" COORDS="280,45,480,70"><area SHAPE="rect" HREF="#stop" COORDS="348,110,430,150"><area SHAPE="rect" HREF="#select" COORDS="495,110,615,150"><area SHAPE="rect" HREF="#representation" COORDS="495,190,615,230"><area SHAPE="rect" HREF="#crossover" COORDS="495,265,625,287"><area SHAPE="rect" HREF="#mutation" COORDS="495,287,625,305"><area SHAPE="rect" HREF="#representation" COORDS="240,270,465,310"><area SHAPE="rect" HREF="#eval" COORDS="170,270,295,310"><area SHAPE="rect" HREF="#replace" COORDS="170,190,295,230"><!-- Center of loop --><area SHAPE="rect" HREF="#generation" COORDS="310,160,485,260"><!-- 4 bottom lines --><area SHAPE="rect" HREF="#operators" COORDS="15,350,260,370"><area SHAPE="rect" HREF="#representation" COORDS="270,350,460,370"><area SHAPE="rect" HREF="#engine" COORDS="15,377,400,397"><area SHAPE="rect" HREF="#eval" COORDS="15,403,230,423"><area SHAPE="rect" HREF="#checkpoint" COORDS="15,430,221,450"><area SHAPE="rect" HREF="#stop" COORDS="221,430,345,450"><area SHAPE="rect" HREF="#stat" COORDS="375,430,445,450"><area SHAPE="rect" HREF="#parametres" COORDS="0,358,278,378"></map>
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<br><a NAME="start"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
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<tr NOSAVE>
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<td NOSAVE><tt><font color="#993300">
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//-----------------------------------------------------------------------------<br>
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// FirstBitEA.cpp<br>
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//-----------------------------------------------------------------------------<br>
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//*<br>
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// Still an instance of a VERY simple Bitstring Genetic Algorithm <br>
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// (see FirstBitGA.cpp) but now with Breeder - and Combined Ops<br>
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//<br>
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//-----------------------------------------------------------------------------<br>
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// standard includes<br>
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<b>#include <stdexcept> </b>// runtime_error <br>
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<b>#include <iostream> </b>// cout<br>
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<b>#include <strstream> </b>// ostrstream, istrstream<br>
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// the general include for eo<br>
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<b>#include <eo></b><br>
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</font></tt>
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</td>
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<td NOSAVE><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
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<br><tt><font color="#993300">// FirstBitEA.cpp</font></tt>
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<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
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<br><tt><font color="#993300">//*</font></tt>
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<br><tt><font color="#993300">// Still an instance of a VERY simple Bitstring
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Genetic Algorithm </font></tt>
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<br><tt><font color="#993300">// (see FirstBitGA.cpp) but now with
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Breeder - and Combined Ops</font></tt>
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<br><tt><font color="#993300">//</font></tt>
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<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
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<br><tt><font color="#993300">// standard includes</font></tt>
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<br><tt><font color="#993300"><b>#include <stdexcept> </b>// runtime_error </font></tt>
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<br><tt><font color="#993300"><b>#include <iostream>
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</b>// cout</font></tt>
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<br><tt><font color="#993300"><b>#include <strstream> </b>// ostrstream,
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istrstream</font></tt>
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<br><tt><font color="#993300">// the general include for eo</font></tt>
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<br><b><tt><font color="#993300">#include <eo></font></tt></b></td>
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</tr>
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</table>
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<a NAME="representation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
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||||
<a NAME="representation"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
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<tr>
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<td><tt><font color="#999900">//-----------------------------------------------------------------------------</font></tt>
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<br><tt><font color="#999900">// Include the corresponding file </font></tt>
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<br><tt><font color="#999900"><b>#include <ga.h></b>
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// bitstring representation & operators </font></tt>
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<br><tt><font color="#999900">// define your individuals</font></tt>
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<br><tt><font color="#999900"><b>typedef eoBin<double> Indi; </b>//
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A bitstring with fitness double</font></tt></td>
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</tr>
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</table>
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<a NAME="evalfunc"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
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<tr>
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<td><tt><font color="#CC0000">//-----------------------------------------------------------------------------</font></tt>
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<br><tt><font color="#CC0000">// a simple fitness function that computes
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the number of ones of a bitstring</font></tt>
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<br><tt><font color="#CC0000">// Now in a separate file, and declared as
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binary_value(const vector<bool> &)</font></tt>
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<br><b><tt><font color="#CC0000">#include "binary_value.h"</font></tt></b></td>
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</tr>
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</table>
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<a NAME="general"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
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<tr>
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<td><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
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<br><b><tt><font color="#993300">void main_function(int argc, char **argv)</font></tt></b>
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<br><b><tt><font color="#993300">{</font></tt></b></td>
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</tr>
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</table>
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<a NAME="parametres"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
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<tr>
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<td><tt><font color="#3366FF"><b> const unsigned int SEED = 42; </b>//
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seed for random number generator</font></tt>
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<br><tt><font color="#3366FF"><b> const unsigned int T_SIZE = 3; </b>//
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size for tournament selection</font></tt>
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<br><tt><font color="#3366FF"><b> const unsigned int VEC_SIZE = 8;
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</b>// Number of bits in genotypes</font></tt>
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<br><tt><font color="#3366FF"><b> const unsigned int POP_SIZE = 20;
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</b>// Size of population</font></tt>
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<br><tt><font color="#3366FF"><b> const unsigned int MAX_GEN = 500;
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</b>// Maximum number of generation before STOP</font></tt>
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<br><tt><font color="#3366FF"><b> const float CROSS_RATE = 0.8; </b>//
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Crossover rate</font></tt>
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<br><tt><font color="#3366FF"><b> const double P_MUT_PER_BIT = 0.01;
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</b>// probability of bit-flip mutation</font></tt>
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<br><tt><font color="#3366FF"><b> const float MUT_RATE = 1.0; </b>//
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mutation rate</font></tt>
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<br><tt><font color="#3366FF"><b> </b>// some parameters for chosing
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among different operators</font></tt>
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<br><tt><font color="#3366FF"><b> const double onePointRate = 0.5;
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</b>// rate for 1-pt Xover</font></tt>
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<br><tt><font color="#3366FF"><b> const double twoPointsRate = 0.5;
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</b>// rate for 2-pt Xover</font></tt>
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<br><tt><font color="#3366FF"><b> const double URate = 0.5;
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</b>// rate for Uniform Xover</font></tt>
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<br><tt><font color="#3366FF"><b> const double bitFlipRate = 0.5;
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</b>// rate for bit-flip mutation</font></tt>
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<br><tt><font color="#3366FF"><b> const double oneBitRate = 0.5;
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</b>// rate for one-bit mutation</font></tt></td>
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</tr>
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</table>
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<a NAME="general"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
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<tr>
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<td><tt><font color="#993300"><b> </b>//////////////////////////</font></tt>
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<br><tt><font color="#993300"><b> </b>// Random seed</font></tt>
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<br><tt><font color="#993300"><b> </b>//////////////////////////</font></tt>
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<br><tt><font color="#993300"><b> </b>//reproducible random seed:
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if you don't change SEED above, </font></tt>
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<br><tt><font color="#993300"><b> </b>// you'll aways get the same
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result, NOT a random run</font></tt>
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<br><b><tt><font color="#993300"> rng.reseed(SEED);</font></tt></b></td>
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</tr>
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</table>
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<a NAME="eval"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
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<tr>
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<td><tt><font color="#CC0000"><b> </b>/////////////////////////////</font></tt>
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<br><tt><font color="#CC0000"><b> </b>// Fitness function</font></tt>
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<br><tt><font color="#CC0000"><b> </b>////////////////////////////</font></tt>
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<br><tt><font color="#CC0000"><b> </b>// Evaluation: from a plain
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C++ fn to an EvalFunc Object</font></tt>
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<br><tt><font color="#CC0000"><b> </b>// you need to give the full
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description of the function</font></tt>
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<br><b><tt><font color="#CC0000"> eoEvalFuncPtr<Indi, double, const
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vector<bool>& > eval( binary_value );</font></tt></b></td>
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</tr>
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</table>
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<a NAME="init"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
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<tr>
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<td><tt><font color="#993399"><b> </b>////////////////////////////////</font></tt>
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<br><tt><font color="#993399"><b> </b>// Initilisation of population</font></tt>
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<br><tt><font color="#993399"><b> </b>////////////////////////////////</font></tt>
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<br><tt><font color="#993399"><b> </b>// based on boolean_generator
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class (see utils/rnd_generator.h)</font></tt>
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<br><b><tt><font color="#993399"> eoInitFixedLength<Indi, boolean_generator> </font></tt></b>
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<br><b><tt><font color="#993399"> random(VEC_SIZE,
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boolean_generator());</font></tt></b>
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<br><tt><font color="#993399"><b> </b>// Initialization of the population</font></tt>
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<br><b><tt><font color="#993399"> eoPop<Indi> pop(POP_SIZE, random);</font></tt></b>
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<br><tt><font color="#993399"><b> </b>// and evaluate it in one line</font></tt>
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<br><tt><font color="#993399"><b> apply<Indi>(eval, pop); </b>//
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STL syntax</font></tt></td>
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</tr>
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</table>
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<a NAME="output"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
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<tr>
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<td><tt><font color="#3366FF"><b> </b>// sort pop before printing
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it!</font></tt>
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<br><b><tt><font color="#3366FF"> pop.sort();</font></tt></b>
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<br><tt><font color="#3366FF"><b> </b>// Print (sorted) intial population
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(raw printout)</font></tt>
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<br><b><tt><font color="#3366FF"> cout << "Initial Population"
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<< endl;</font></tt></b>
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<br><b><tt><font color="#3366FF"> cout << pop;</font></tt></b></td>
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</tr>
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</table>
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<a NAME="engine"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
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<tr>
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<td><tt><font color="#009900"><b> </b>/////////////////////////////////////</font></tt>
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<br><tt><font color="#009900"><b> </b>// selection and replacement</font></tt>
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<br><tt><font color="#009900"><b> </b>////////////////////////////////////</font></tt></td>
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</tr>
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</table>
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<a NAME="select"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
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<tr>
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<td><tt><font color="#009900"><b> </b>// The robust tournament selection</font></tt>
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<br><tt><font color="#009900"><b> eoDetTournamentSelect<Indi> selectOne(T_SIZE);
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</b>// T_SIZE in [2,POP_SIZE]</font></tt>
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<br><a NAME="select_encapsulate"></a><tt><font color="#009900"><b> </b>//
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is now encapsulated in a eoSelectPerc (entage)</font></tt>
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<br><tt><font color="#009900"><b> eoSelectPerc<Indi> select(selectOne);</b>//
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by default rate==1</font></tt></td>
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</tr>
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</table>
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<a NAME="replace"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
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<tr>
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<td><tt><font color="#009900"><b> </b>// And we now have the full
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slection/replacement - though with </font></tt>
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<br><tt><font color="#009900"><b> </b>// no replacement (== generational
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replacement) at the moment :-)</font></tt>
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<br><b><tt><font color="#009900"> eoNoReplacement<Indi> replace; </font></tt></b></td>
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</tr>
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</table>
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<a NAME="operators"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
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<tr>
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<td><tt><font color="#993399"><b> </b>//////////////////////////////////////</font></tt>
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<br><tt><font color="#993399"><b> </b>// The variation operators</font></tt>
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<br><tt><font color="#993399"><b> </b>//////////////////////////////////////</font></tt></td>
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</tr>
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</table>
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<a NAME="crossover"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
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<tr>
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<td><tt><font color="#993399"><b> </b>// 1-point crossover for bitstring</font></tt>
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<br><b><tt><font color="#993399"> eoBinCrossover<Indi> xover1;</font></tt></b>
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<br><tt><font color="#993399"><b> </b>// uniform crossover for bitstring</font></tt>
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<br><b><tt><font color="#993399"> eoBinUxOver<Indi> xoverU;</font></tt></b>
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<br><tt><font color="#993399"><b> </b>// 2-pots xover</font></tt>
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<br><b><tt><font color="#993399"> eoBinNxOver<Indi> xover2(2);</font></tt></b>
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<br><tt><font color="#993399"><b> </b>// Combine them with relative
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rates</font></tt>
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<br><b><tt><font color="#993399"> eoPropCombinedQuadOp<Indi> xover(xover1,
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onePointRate);</font></tt></b>
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<br><b><tt><font color="#993399"> xover.add(xoverU, URate);</font></tt></b>
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<br><b><tt><font color="#993399"> xover.add(xover2, twoPointsRate,
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true);</font></tt></b></td>
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</tr>
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</table>
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<a NAME="mutation"></a>
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<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
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<tr>
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<td>
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<tt><font color="#999900">
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//-----------------------------------------------------------------------------<br>
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// define your individuals<br>
|
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<b>typedef eoBin<double> Indi; </b>// A bitstring with fitness double<br>
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</font></tt>
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</td>
|
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<br><tt><font color="#993399"><b> </b>// standard bit-flip mutation
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for bitstring</font></tt>
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<br><b><tt><font color="#993399"> eoBinMutation<Indi> mutationBitFlip(P_MUT_PER_BIT);</font></tt></b>
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<br><tt><font color="#993399"><b> </b>// mutate exactly 1 bit per
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||||
individual</font></tt>
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<br><b><tt><font color="#993399"> eoDetBitFlip<Indi> mutationOneBit; </font></tt></b>
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<br><tt><font color="#993399"><b> </b>// Combine them with relative
|
||||
rates</font></tt>
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||||
<br><b><tt><font color="#993399"> eoPropCombinedMonOp<Indi> mutation(mutationBitFlip,
|
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bitFlipRate);</font></tt></b>
|
||||
<br><b><tt><font color="#993399"> mutation.add(mutationOneBit, oneBitRate,
|
||||
true);</font></tt></b>
|
||||
<p><a NAME="transform"></a><tt><font color="#993399"><b> </b>// The operators
|
||||
are encapsulated into an eoTRansform object</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoSGATransform<Indi> transform(xover,
|
||||
CROSS_RATE, mutation, MUT_RATE);</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="evalfunc"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<a NAME="stop"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#CC0000">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// a simple fitness function that computes the number of ones of a bitstring<br>
|
||||
// Now in a separate file, and declared as binary_value(const vector<bool> &)<br>
|
||||
<b>#include "binary_value.h"</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="checkpoint"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
<b>void main_function(int argc, char **argv)</b><br>
|
||||
<b>{</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>//////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// termination conditions: use
|
||||
more than one</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>/////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// stop after MAX_GEN generations</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> eoGenContinue<Indi> genCont(MAX_GEN);</font></tt></b>
|
||||
<br><tt><font color="#3366FF"><b> </b>// do MIN_GEN gen., then stop
|
||||
after STEADY_GEN gen. without improvement</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> eoSteadyFitContinue<Indi> steadyCont(MIN_GEN,
|
||||
STEADY_GEN);</font></tt></b>
|
||||
<br><tt><font color="#3366FF"><b> </b>// stop when fitness reaches
|
||||
a target (here VEC_SIZE)</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> eoFitContinue<Indi> fitCont(0);</font></tt></b>
|
||||
<br><tt><font color="#3366FF"><b> </b>// do stop when one of the above
|
||||
says so</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> eoCombinedContinue<Indi> continuator(genCont);</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> continuator.add(steadyCont);</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> continuator.add(fitCont);</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="parametres"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="generation"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> const unsigned int SEED = 42; </b>// seed for random number generator<br>
|
||||
<b> const unsigned int T_SIZE = 3; </b>// size for tournament selection<br>
|
||||
<b> const unsigned int VEC_SIZE = 8; </b>// Number of bits in genotypes<br>
|
||||
<b> const unsigned int POP_SIZE = 20; </b>// Size of population<br>
|
||||
<b> const unsigned int MAX_GEN = 500; </b>// Maximum number of generation before STOP<br>
|
||||
<b> const float CROSS_RATE = 0.8; </b>// Crossover rate<br>
|
||||
<b> const double P_MUT_PER_BIT = 0.01; </b>// probability of bit-flip mutation<br>
|
||||
<b> const float MUT_RATE = 1.0; </b>// mutation rate<br>
|
||||
<b> </b>// some parameters for chosing among different operators<br>
|
||||
<b> const double onePointRate = 0.5; </b>// rate for 1-pt Xover<br>
|
||||
<b> const double twoPointsRate = 0.5; </b>// rate for 2-pt Xover<br>
|
||||
<b> const double URate = 0.5; </b>// rate for Uniform Xover<br>
|
||||
<b> const double bitFlipRate = 0.5; </b>// rate for bit-flip mutation<br>
|
||||
<b> const double oneBitRate = 0.5; </b>// rate for one-bit mutation<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#FF6666"><b> </b>/////////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// the algorithm</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>////////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// Easy EA requires </font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// selection, transformation,
|
||||
eval, replacement, and stopping criterion</font></tt>
|
||||
<br><b><tt><font color="#FF6666"> eoEasyEA<Indi> gga(continuator,
|
||||
eval, select, transform, replace);</font></tt></b>
|
||||
<br><tt><font color="#FF6666"><b> </b>// Apply algo to pop - that's
|
||||
it!</font></tt>
|
||||
<br><b><tt><font color="#FF6666"> gga(pop);</font></tt></b>
|
||||
<br> </td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="output"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
<b> </b>//////////////////////////<br>
|
||||
<b> </b>// Random seed<br>
|
||||
<b> </b>//////////////////////////<br>
|
||||
<b> </b>//reproducible random seed: if you don't change SEED above, <br>
|
||||
<b> </b>// you'll aways get the same result, NOT a random run<br>
|
||||
<b> rng.reseed(SEED);</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>// Print (sorted) intial population</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> pop.sort();</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> cout << "FINAL Population\n"
|
||||
<< pop << endl;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="eval"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<a NAME="general"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#CC0000">
|
||||
<b> </b>/////////////////////////////<br>
|
||||
<b> </b>// Fitness function<br>
|
||||
<b> </b>////////////////////////////<br>
|
||||
<b> </b>// Evaluation: from a plain C++ fn to an EvalFunc Object<br>
|
||||
<b> </b>// you need to give the full description of the function<br>
|
||||
<b> eoEvalFuncPtr<Indi, double, const vector<bool>& > eval( binary_value );</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="init"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>////////////////////////////////<br>
|
||||
<b> </b>// Initilisation of population<br>
|
||||
<b> </b>////////////////////////////////<br>
|
||||
<b> </b>// based on boolean_generator class (see utils/rnd_generator.h)<br>
|
||||
<b> eoInitFixedLength<Indi, boolean_generator> </b><br>
|
||||
<b> random(VEC_SIZE, boolean_generator());</b><br>
|
||||
<b> </b>// Initialization of the population<br>
|
||||
<b> eoPop<Indi> pop(POP_SIZE, random);</b><br>
|
||||
<b> </b>// and evaluate it in one line<br>
|
||||
<b> apply<Indi>(eval, pop); </b>// STL syntax<br>
|
||||
</font></tt>
|
||||
</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> </b>// sort pop before printing it!<br>
|
||||
<b> pop.sort();</b><br>
|
||||
<b> </b>// Print (sorted) intial population (raw printout)<br>
|
||||
<b> cout << "Initial Population" << endl;</b><br>
|
||||
<b> cout << pop;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="engine"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#009900">
|
||||
<b> </b>/////////////////////////////////////<br>
|
||||
<b> </b>// selection and replacement<br>
|
||||
<b> </b>////////////////////////////////////<br>
|
||||
</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> </b>// The robust tournament selection<br>
|
||||
<b> eoDetTournamentSelect<Indi> selectOne(T_SIZE); </b>// T_SIZE in [2,POP_SIZE]<br>
|
||||
<a NAME="select_encapsulate"></a>
|
||||
<b> </b>// is now encapsulated in a eoSelectPerc (entage)<br>
|
||||
<b> eoSelectPerc<Indi> select(selectOne);</b>// by default rate==1<br>
|
||||
</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> </b>// And we now have the full slection/replacement - though with <br>
|
||||
<b> </b>// no replacement (== generational replacement) at the moment :-)<br>
|
||||
<b> eoNoReplacement<Indi> replace; </b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="operators"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
<b> </b>// The variation operators<br>
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
</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> </b>// 1-point crossover for bitstring<br>
|
||||
<b> eoBinCrossover<Indi> xover1;</b><br>
|
||||
<b> </b>// uniform crossover for bitstring<br>
|
||||
<b> eoBinUxOver<Indi> xoverU;</b><br>
|
||||
<b> </b>// 2-pots xover<br>
|
||||
<b> eoBinNxOver<Indi> xover2(2);</b><br>
|
||||
<b> </b>// Combine them with relative rates<br>
|
||||
<b> eoPropCombinedQuadOp<Indi> xover(xover1, onePointRate);</b><br>
|
||||
<b> xover.add(xoverU, URate);</b><br>
|
||||
<b> xover.add(xover2, twoPointsRate, true);</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="mutation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b><br>
|
||||
<b> </b>// standard bit-flip mutation for bitstring<br>
|
||||
<b> eoBinMutation<Indi> mutationBitFlip(P_MUT_PER_BIT);</b><br>
|
||||
<b> </b>// mutate exactly 1 bit per individual<br>
|
||||
<b> eoDetBitFlip<Indi> mutationOneBit; </b><br>
|
||||
<b> </b>// Combine them with relative rates<br>
|
||||
<b> eoPropCombinedMonOp<Indi> mutation(mutationBitFlip, bitFlipRate);</b><br>
|
||||
<b> mutation.add(mutationOneBit, oneBitRate, true);</b><br>
|
||||
<b> </b><br>
|
||||
<a NAME="transform"></a>
|
||||
<b> </b>// The operators are encapsulated into an eoTRansform object<br>
|
||||
<b> eoSGATransform<Indi> transform(xover, CROSS_RATE, mutation, MUT_RATE);</b><br>
|
||||
</font></tt>
|
||||
</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">
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="checkpoint"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
<b> </b>// termination conditions: use more than one<br>
|
||||
<b> </b>/////////////////////////////////////<br>
|
||||
<b> </b>// stop after MAX_GEN generations<br>
|
||||
<b> eoGenContinue<Indi> genCont(MAX_GEN);</b><br>
|
||||
<b> </b>// do MIN_GEN gen., then stop after STEADY_GEN gen. without improvement<br>
|
||||
<b> eoSteadyFitContinue<Indi> steadyCont(MIN_GEN, STEADY_GEN);</b><br>
|
||||
<b> </b>// stop when fitness reaches a target (here VEC_SIZE)<br>
|
||||
<b> eoFitContinue<Indi> fitCont(0);</b><br>
|
||||
<b> </b>// do stop when one of the above says so<br>
|
||||
<b> eoCombinedContinue<Indi> continuator(genCont);</b><br>
|
||||
<b> continuator.add(steadyCont);</b><br>
|
||||
<b> continuator.add(fitCont);</b><br>
|
||||
</font></tt>
|
||||
</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> </b>/////////////////////////////////////////<br>
|
||||
<b> </b>// the algorithm<br>
|
||||
<b> </b>////////////////////////////////////////<br>
|
||||
<b> </b>// Easy EA requires <br>
|
||||
<b> </b>// selection, transformation, eval, replacement, and stopping criterion<br>
|
||||
<b> eoEasyEA<Indi> gga(continuator, eval, select, transform, replace);</b><br>
|
||||
<b> </b>// Apply algo to pop - that's it!<br>
|
||||
<b> gga(pop);</b><br>
|
||||
<b> </b><br>
|
||||
</font></tt>
|
||||
</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> </b>// Print (sorted) intial population<br>
|
||||
<b> pop.sort();</b><br>
|
||||
<b> cout << "FINAL Population\n" << pop << endl;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
<b>}</b><br>
|
||||
// A main that catches the exceptions<br>
|
||||
<b>int main(int argc, char **argv)</b><br>
|
||||
<b>{</b><br>
|
||||
<b>#ifdef _MSC_VER</b><br>
|
||||
<b> </b>// rng.reseed(42);<br>
|
||||
<b> int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</b><br>
|
||||
<b> flag |= _CRTDBG_LEAK_CHECK_DF;</b><br>
|
||||
<b> _CrtSetDbgFlag(flag);</b><br>
|
||||
// _CrtSetBreakAlloc(100);<br>
|
||||
<b>#endif</b><br>
|
||||
<b> try</b><br>
|
||||
<b> {</b><br>
|
||||
<b> main_function(argc, argv);</b><br>
|
||||
<b> }</b><br>
|
||||
<b> catch(exception& e)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> cout << "Exception: " << e.what() << '\n';</b><br>
|
||||
<b> }</b><br>
|
||||
<b> return 1;</b><br>
|
||||
<b>}</b><br>
|
||||
</font></font></font></td>
|
||||
<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> </b>// rng.reseed(42);</font></tt>
|
||||
<br><b><tt><font color="#993300"> int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> flag
|
||||
|= _CRTDBG_LEAK_CHECK_DF;</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> _CrtSetDbgFlag(flag);</font></tt></b>
|
||||
<br><tt><font color="#993300">// _CrtSetBreakAlloc(100);</font></tt>
|
||||
<br><b><tt><font color="#993300">#endif</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> try</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> {</font></tt></b>
|
||||
<br><b><tt><font color="#993300">
|
||||
main_function(argc, argv);</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> }</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> catch(exception&
|
||||
e)</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> {</font></tt></b>
|
||||
<br><b><tt><font color="#993300">
|
||||
cout << "Exception: " << e.what() << '\n';</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> }</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> return 1;</font></tt></b>
|
||||
<br><b><tt><font color="#993300">}</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<hr WIDTH="100%"><a href="eoLesson2.html">Back to Lesson 2</a> - <a href="eoTutorial.html">Tutorial
|
||||
main page </a>- <a href="eoTopDown.html">Algorithm-Based</a> - <a href="eoBottomUp.html">Component-Based
|
||||
page</a> - <a href="eoProgramming.html">Programming hints</a> - <font face="Arial,Helvetica"><a href="../../doc/html/index.html">EO
|
||||
|
|
@ -361,8 +336,8 @@ documentation</a></font>
|
|||
<hr>
|
||||
<address>
|
||||
<a href="mailto:marc.schoenauer@polytechnique.fr">Marc Schoenauer</a></address>
|
||||
<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last
|
||||
modified: Sun Nov 19 22:26:27 2000
|
||||
<!-- hhmts end -->
|
||||
|
||||
<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last modified: Sun Nov
|
||||
19 22:26:27 2000<!-- hhmts end -->
|
||||
</body>
|
||||
</html>
|
||||
|
|
|
|||
|
|
@ -2,9 +2,9 @@
|
|||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
||||
<meta name="GENERATOR" content="cpp2html Marc Schoenauer">
|
||||
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
|
||||
<title>FirstBitGA.html</title>
|
||||
<!-- Changed by: Marc Schoenauer, 29-Nov-2000 -->
|
||||
<!-- Changed by: Marc Schoenauer, 29-Nov-2000 -->
|
||||
</head>
|
||||
<body text="#000000" bgcolor="#C3C2B4" link="#0000EE" vlink="#551A8B" alink="#FF0000">
|
||||
<a href="eoLesson1.html">Back to Lesson 1</a> - <a href="eoTutorial.html">Tutorial
|
||||
|
|
@ -16,326 +16,290 @@ documentation</a></font>
|
|||
<center>
|
||||
<h1>
|
||||
<font color="#FF0000">FirstBitGA.html</font></h1></center>
|
||||
Click on the figure to see the corresponding code.<br>
|
||||
In the code, the <a href="eoTutorial.html#colors">colors are meaningfull</a><br>
|
||||
The actual code is in boldface and the comment in normal face.
|
||||
<br><img SRC="EA_tutorial.jpg" USEMAP="#Map" >
|
||||
<map NAME="Map">
|
||||
<!-- Init -->
|
||||
<area SHAPE="rect" HREF="#init" COORDS="14,31,135,70">
|
||||
<area SHAPE="rect" HREF="#eval" COORDS="14,110,135,150">
|
||||
<!-- main loop -->
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="170,110,295,150">
|
||||
<area SHAPE="rect" HREF="#output" COORDS="280,45,480,70">
|
||||
<area SHAPE="rect" HREF="#stop" COORDS="348,110,430,150">
|
||||
<area SHAPE="rect" HREF="#select" COORDS="495,110,615,150">
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="495,190,615,230">
|
||||
<area SHAPE="rect" HREF="#crossover" COORDS="495,265,625,287">
|
||||
<area SHAPE="rect" HREF="#mutation" COORDS="495,287,625,305">
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="240,270,465,310">
|
||||
<area SHAPE="rect" HREF="#eval" COORDS="170,270,295,310">
|
||||
<area SHAPE="rect" HREF="#replace" COORDS="170,190,295,230">
|
||||
<!-- Center of loop -->
|
||||
<area SHAPE="rect" HREF="#generation" COORDS="310,160,485,260">
|
||||
<!-- 4 bottom lines -->
|
||||
<area SHAPE="rect" HREF="#operators" COORDS="15,350,260,370">
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="270,350,460,370">
|
||||
<area SHAPE="rect" HREF="#engine" COORDS="15,377,400,397">
|
||||
<area SHAPE="rect" HREF="#eval" COORDS="15,403,230,423">
|
||||
<area SHAPE="rect" HREF="#checkpoint" COORDS="15,430,221,450">
|
||||
<area SHAPE="rect" HREF="#stop" COORDS="221,430,345,450">
|
||||
<area SHAPE="rect" HREF="#stat" COORDS="375,430,445,450">
|
||||
<area SHAPE="rect" HREF="#parametres" COORDS="0,358,278,378">
|
||||
</map>
|
||||
<br>
|
||||
<A NAME="start"></a>
|
||||
Click on the figure to see the corresponding code.
|
||||
<br>In the code, the <a href="eoTutorial.html#colors">colors are meaningfull</a>
|
||||
<br>The actual code is in boldface and the comment in normal face.
|
||||
<br><img SRC="EA_tutorial.jpg" USEMAP="#Map" ><map NAME="Map"><!-- Init --><area SHAPE="rect" HREF="#init" COORDS="14,31,135,70"><area SHAPE="rect" HREF="#eval" COORDS="14,110,135,150"><!-- main loop --><area SHAPE="rect" HREF="#representation" COORDS="170,110,295,150"><area SHAPE="rect" HREF="#output" COORDS="280,45,480,70"><area SHAPE="rect" HREF="#stop" COORDS="348,110,430,150"><area SHAPE="rect" HREF="#select" COORDS="495,110,615,150"><area SHAPE="rect" HREF="#representation" COORDS="495,190,615,230"><area SHAPE="rect" HREF="#crossover" COORDS="495,265,625,287"><area SHAPE="rect" HREF="#mutation" COORDS="495,287,625,305"><area SHAPE="rect" HREF="#representation" COORDS="240,270,465,310"><area SHAPE="rect" HREF="#eval" COORDS="170,270,295,310"><area SHAPE="rect" HREF="#replace" COORDS="170,190,295,230"><!-- Center of loop --><area SHAPE="rect" HREF="#generation" COORDS="310,160,485,260"><!-- 4 bottom lines --><area SHAPE="rect" HREF="#operators" COORDS="15,350,260,370"><area SHAPE="rect" HREF="#representation" COORDS="270,350,460,370"><area SHAPE="rect" HREF="#engine" COORDS="15,377,400,397"><area SHAPE="rect" HREF="#eval" COORDS="15,403,230,423"><area SHAPE="rect" HREF="#checkpoint" COORDS="15,430,221,450"><area SHAPE="rect" HREF="#stop" COORDS="221,430,345,450"><area SHAPE="rect" HREF="#stat" COORDS="375,430,445,450"><area SHAPE="rect" HREF="#parametres" COORDS="0,358,278,378"></map>
|
||||
<br><a NAME="start"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr NOSAVE>
|
||||
<td NOSAVE><tt><font color="#993300">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// FirstBitGA.cpp<br>
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
//*<br>
|
||||
// An instance of a VERY simple Bitstring Genetic Algorithm<br>
|
||||
//<br>
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// standard includes<br>
|
||||
<b>#include <stdexcept> </b>// runtime_error <br>
|
||||
<b>#include <iostream> </b>// cout<br>
|
||||
<b>#include <strstream> </b>// ostrstream, istrstream<br>
|
||||
// the general include for eo<br>
|
||||
<b>#include <eo></b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td NOSAVE><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">// FirstBitGA.cpp</font></tt>
|
||||
<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">//*</font></tt>
|
||||
<br><tt><font color="#993300">// An instance of a VERY simple Bitstring
|
||||
Genetic Algorithm</font></tt>
|
||||
<br><tt><font color="#993300">//</font></tt>
|
||||
<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">// standard includes</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <stdexcept> </b>// runtime_error </font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <iostream>
|
||||
</b>// cout</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <strstream> </b>// ostrstream,
|
||||
istrstream</font></tt>
|
||||
<br><tt><font color="#993300">// the general include for eo</font></tt>
|
||||
<br><b><tt><font color="#993300">#include <eo></font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="representation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
|
||||
<a NAME="representation"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#999900">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// define your individuals<br>
|
||||
<b>typedef eoBin<double> Indi; </b>// A bitstring with fitness double<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#999900">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#999900">// Include the corresponding file</font></tt>
|
||||
<br><tt><font color="#999900"><b>#include <ga.h></b>
|
||||
// bitstring representation & operators</font></tt>
|
||||
<br><tt><font color="#999900">// define your individuals</font></tt>
|
||||
<br><tt><font color="#999900"><b>typedef eoBin<double> Indi;
|
||||
</b>// A bitstring with fitness double</font></tt></td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#CC0000">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// a simple fitness function that computes the number of ones of a bitstring<br>
|
||||
// @param _indi A biststring individual<br>
|
||||
<a name="evalfunc"></a>
|
||||
<b>double binary_value(const Indi & _indi)</b><br>
|
||||
<b>{</b><br>
|
||||
<b> double sum = 0;</b><br>
|
||||
<b> for (unsigned i = 0; i < _indi.size(); i++)</b><br>
|
||||
<b> sum += _indi[i];</b><br>
|
||||
<b> return sum;</b><br>
|
||||
<b>}</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#CC0000">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#CC0000">// a simple fitness function that computes
|
||||
the number of ones of a bitstring</font></tt>
|
||||
<br><tt><font color="#CC0000">// @param _indi A biststring individual</font></tt>
|
||||
<br><a NAME="evalfunc"></a><b><tt><font color="#CC0000">double binary_value(const
|
||||
Indi & _indi)</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000">{</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000"> double sum = 0;</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000"> for (unsigned i = 0; i < _indi.size();
|
||||
i++)</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000"> sum += _indi[i];</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000"> return sum;</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000">}</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="general"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><b><tt><font color="#993300">void main_function(int argc, char **argv)</font></tt></b>
|
||||
<br><b><tt><font color="#993300">{</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="parametres"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#3366FF"><b> </b>// all parameters are hard-coded!</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int SEED = 42;
|
||||
</b>// seed for random number generator</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int T_SIZE = 3;
|
||||
</b>// size for tournament selection</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int VEC_SIZE = 8;
|
||||
</b>// Number of bits in genotypes</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int POP_SIZE = 20;
|
||||
</b>// Size of population</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int MAX_GEN = 100;
|
||||
</b>// Maximum number of generation before STOP</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const float CROSS_RATE = 0.8;
|
||||
</b>// Crossover rate</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double P_MUT_PER_BIT = 0.01;
|
||||
</b>// probability of bit-flip mutation</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const float MUT_RATE = 1.0;
|
||||
</b>// mutation rate</font></tt></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td><a NAME="random"></a><tt><font color="#993300"><b> </b>//////////////////////////</font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>// Random seed</font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>//////////////////////////</font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>//reproducible random seed:
|
||||
if you don't change SEED above, </font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>// you'll aways get the same
|
||||
result, NOT a random run</font></tt>
|
||||
<br><b><tt><font color="#993300"> rng.reseed(SEED);</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="eval"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#CC0000"><b> </b>/////////////////////////////</font></tt>
|
||||
<br><tt><font color="#CC0000"><b> </b>// Fitness function</font></tt>
|
||||
<br><tt><font color="#CC0000"><b> </b>////////////////////////////</font></tt>
|
||||
<br><tt><font color="#CC0000"><b> </b>// Evaluation: from a plain
|
||||
C++ fn to an EvalFunc Object</font></tt>
|
||||
<br><b><tt><font color="#CC0000"> eoEvalFuncPtr<Indi> eval(
|
||||
binary_value );</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="init"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#993399"><b> </b>////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>// Initilisation of population</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>// declare the population</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoPop<Indi> pop;</font></tt></b>
|
||||
<br><tt><font color="#993399"><b> </b>// fill it!</font></tt>
|
||||
<br><b><tt><font color="#993399"> for (unsigned int igeno=0; igeno<POP_SIZE;
|
||||
igeno++)</font></tt></b>
|
||||
<br><b><tt><font color="#993399"> {</font></tt></b>
|
||||
<br><tt><font color="#993399"><b>
|
||||
Indi v;
|
||||
</b>// void individual, to be filled</font></tt>
|
||||
<br><b><tt><font color="#993399">
|
||||
for (unsigned ivar=0; ivar<VEC_SIZE; ivar++)</font></tt></b>
|
||||
<br><b><tt><font color="#993399">
|
||||
{</font></tt></b>
|
||||
<br><tt><font color="#993399"><b>
|
||||
bool r = rng.flip(); </b>// new value, random in {0,1}</font></tt>
|
||||
<br><tt><font color="#993399"><b>
|
||||
v.push_back(r); </b>//
|
||||
append that random value to v</font></tt>
|
||||
<br><b><tt><font color="#993399">
|
||||
}</font></tt></b>
|
||||
<br><tt><font color="#993399"><b>
|
||||
eval(v);
|
||||
</b>// evaluate it</font></tt>
|
||||
<br><b><tt><font color="#993399">
|
||||
pop.push_back(v);
|
||||
</font></tt></b><tt><font color="#993399">// and put it in the population</font></tt>
|
||||
<br><b><tt><font color="#993399"> }</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> </b>// sort pop before printing
|
||||
it!</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> pop.sort();</font></tt></b>
|
||||
<br><tt><font color="#3366FF"><b> </b>// Print (sorted) intial population
|
||||
(raw printout)</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> cout << "Initial Population"
|
||||
<< endl;</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> cout << pop;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="engine"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#009900"><b> </b>/////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#009900"><b> </b>// selection and replacement</font></tt>
|
||||
<br><tt><font color="#009900"><b> </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> </b>// The robust tournament selection</font></tt>
|
||||
<br><tt><font color="#009900"><b> eoDetTournamentSelect<Indi> select(T_SIZE);
|
||||
</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> </b>// The simple GA evolution engine
|
||||
uses generational replacement</font></tt>
|
||||
<br><tt><font color="#009900"><b> </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>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#993399"><b> </b>//////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>// The variation operators</font></tt>
|
||||
<br><tt><font color="#993399"><b> </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> </b>// 1-point mutation for bitstring</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoBinCrossover<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>
|
||||
<tt><font color="#993300">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
<b>void main_function(int argc, char **argv)</b><br>
|
||||
<b>{</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<br><tt><font color="#993399"><b> </b>// standard bit-flip mutation
|
||||
for bitstring</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoBinMutation<Indi> mutation(P_MUT_PER_BIT);</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="parametres"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="checkpoint"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>// all parameters are hard-coded!<br>
|
||||
<b> const unsigned int SEED = 42; </b>// seed for random number generator<br>
|
||||
<b> const unsigned int T_SIZE = 3; </b>// size for tournament selection<br>
|
||||
<b> const unsigned int VEC_SIZE = 8; </b>// Number of bits in genotypes<br>
|
||||
<b> const unsigned int POP_SIZE = 20; </b>// Size of population<br>
|
||||
<b> const unsigned int MAX_GEN = 100; </b>// Maximum number of generation before STOP<br>
|
||||
<b> const float CROSS_RATE = 0.8; </b>// Crossover rate<br>
|
||||
<b> const double P_MUT_PER_BIT = 0.01; </b>// probability of bit-flip mutation<br>
|
||||
<b> const float MUT_RATE = 1.0; </b>// mutation rate<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>//////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// termination condition</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>/////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// stop after MAX_GEN generations</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> eoGenContinue<Indi> continuator(MAX_GEN);</font></tt></b>
|
||||
<br> </td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="generation"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
<a NAME="random"></a>
|
||||
<b> </b>//////////////////////////<br>
|
||||
<b> </b>// Random seed<br>
|
||||
<b> </b>//////////////////////////<br>
|
||||
<b> </b>//reproducible random seed: if you don't change SEED above, <br>
|
||||
<b> </b>// you'll aways get the same result, NOT a random run<br>
|
||||
<b> rng.reseed(SEED);</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#FF6666"><b> </b>/////////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// the algorithm</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>////////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// standard Generational GA
|
||||
requires as parameters</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// selection, evaluation, crossover
|
||||
and mutation, stopping criterion</font></tt>
|
||||
<p><b><tt><font color="#FF6666"> eoSGA<Indi> gga(select, xover,
|
||||
CROSS_RATE, mutation, MUT_RATE, </font></tt></b>
|
||||
<br><b><tt><font color="#FF6666">
|
||||
eval, continuator);</font></tt></b>
|
||||
<br><tt><font color="#FF6666"><b> </b>// Apply algo to pop - that's
|
||||
it!</font></tt>
|
||||
<br><b><tt><font color="#FF6666"> gga(pop);</font></tt></b>
|
||||
<br> </td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="eval"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<a NAME="final_output"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#CC0000">
|
||||
<b> </b>/////////////////////////////<br>
|
||||
<b> </b>// Fitness function<br>
|
||||
<b> </b>////////////////////////////<br>
|
||||
<b> </b>// Evaluation: from a plain C++ fn to an EvalFunc Object<br>
|
||||
<b> eoEvalFuncPtr<Indi> eval( binary_value );</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>// Print (sorted) intial population</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> pop.sort();</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> cout << "FINAL Population\n"
|
||||
<< pop << endl;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="init"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<a NAME="main"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>////////////////////////////////<br>
|
||||
<b> </b>// Initilisation of population<br>
|
||||
<b> </b>////////////////////////////////<br>
|
||||
<b> </b>// declare the population<br>
|
||||
<b> eoPop<Indi> pop;</b><br>
|
||||
<b> </b>// fill it!<br>
|
||||
<b> for (unsigned int igeno=0; igeno<POP_SIZE; igeno++)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> Indi v; </b>// void individual, to be filled<br>
|
||||
<b> for (unsigned ivar=0; ivar<VEC_SIZE; ivar++)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> bool r = rng.flip(); </b>// new value, random in {0,1}<br>
|
||||
<b> v.push_back(r); </b>// append that random value to v<br>
|
||||
<b> }</b><br>
|
||||
<b> eval(v); </b>// evaluate it<br>
|
||||
<b> pop.push_back(v); </b>// and put it in the population<br>
|
||||
<b> }</b><br>
|
||||
</font></tt>
|
||||
</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> </b>// sort pop before printing it!<br>
|
||||
<b> pop.sort();</b><br>
|
||||
<b> </b>// Print (sorted) intial population (raw printout)<br>
|
||||
<b> cout << "Initial Population" << endl;</b><br>
|
||||
<b> cout << pop;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="engine"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#009900">
|
||||
<b> </b>/////////////////////////////////////<br>
|
||||
<b> </b>// selection and replacement<br>
|
||||
<b> </b>////////////////////////////////////<br>
|
||||
</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> </b>// The robust tournament selection<br>
|
||||
<b> eoDetTournamentSelect<Indi> select(T_SIZE); </b>// T_SIZE in [2,POP_SIZE]<br>
|
||||
</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> </b>// The simple GA evolution engine uses generational replacement<br>
|
||||
<b> </b>// so no replacement procedure is needed<br>
|
||||
</font></tt>
|
||||
</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">
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="operators"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
<b> </b>// The variation operators<br>
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
</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> </b>// 1-point mutation for bitstring<br>
|
||||
<b> eoBinCrossover<Indi> xover;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="mutation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b><br>
|
||||
<b> </b>// standard bit-flip mutation for bitstring<br>
|
||||
<b> eoBinMutation<Indi> mutation(P_MUT_PER_BIT);</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="checkpoint"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
<b> </b>// termination condition<br>
|
||||
<b> </b>/////////////////////////////////////<br>
|
||||
<b> </b>// stop after MAX_GEN generations<br>
|
||||
<b> eoGenContinue<Indi> continuator(MAX_GEN);</b><br>
|
||||
<b> </b><br>
|
||||
</font></tt>
|
||||
</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> </b>/////////////////////////////////////////<br>
|
||||
<b> </b>// the algorithm<br>
|
||||
<b> </b>////////////////////////////////////////<br>
|
||||
<b> </b>// standard Generational GA requires as parameters<br>
|
||||
<b> </b>// selection, evaluation, crossover and mutation, stopping criterion<br>
|
||||
<b> </b><br>
|
||||
<b> eoSGA<Indi> gga(select, xover, CROSS_RATE, mutation, MUT_RATE, </b><br>
|
||||
<b> eval, continuator);</b><br>
|
||||
<b> </b>// Apply algo to pop - that's it!<br>
|
||||
<b> gga(pop);</b><br>
|
||||
<b> </b><br>
|
||||
</font></tt>
|
||||
</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> </b>// Print (sorted) intial population<br>
|
||||
<b> pop.sort();</b><br>
|
||||
<b> cout << "FINAL Population\n" << pop << endl;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="main"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
<b>}</b><br>
|
||||
<b> </b>// A main that catches the exceptions<br>
|
||||
<b>int main(int argc, char **argv)</b><br>
|
||||
<b>{</b><br>
|
||||
<b>#ifdef _MSC_VER</b><br>
|
||||
<b> </b>// rng.reseed(42);<br>
|
||||
<b> int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</b><br>
|
||||
<b> flag |= _CRTDBG_LEAK_CHECK_DF;</b><br>
|
||||
<b> _CrtSetDbgFlag(flag);</b><br>
|
||||
// _CrtSetBreakAlloc(100);<br>
|
||||
<b>#endif</b><br>
|
||||
<b> try</b><br>
|
||||
<b> {</b><br>
|
||||
<b> main_function(argc, argv);</b><br>
|
||||
<b> }</b><br>
|
||||
<b> catch(exception& e)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> cout << "Exception: " << e.what() << '\n';</b><br>
|
||||
<b> }</b><br>
|
||||
<b> return 1;</b><br>
|
||||
<b>}</b><br>
|
||||
</font></font></font></td>
|
||||
<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> </b>// rng.reseed(42);</font></tt>
|
||||
<br><b><tt><font color="#993300"> int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> flag
|
||||
|= _CRTDBG_LEAK_CHECK_DF;</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> _CrtSetDbgFlag(flag);</font></tt></b>
|
||||
<br><tt><font color="#993300">// _CrtSetBreakAlloc(100);</font></tt>
|
||||
<br><b><tt><font color="#993300">#endif</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> try</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> {</font></tt></b>
|
||||
<br><b><tt><font color="#993300">
|
||||
main_function(argc, argv);</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> }</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> catch(exception&
|
||||
e)</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> {</font></tt></b>
|
||||
<br><b><tt><font color="#993300">
|
||||
cout << "Exception: " << e.what() << '\n';</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> }</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> return 1;</font></tt></b>
|
||||
<br><b><tt><font color="#993300">}</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<hr WIDTH="100%"><a href="eoLesson1.html">Back to Lesson 1</a> - <a href="eoTutorial.html">Tutorial
|
||||
main page </a>- <a href="eoTopDown.html">Algorithm-Based</a> - <a href="eoBottomUp.html">Component-Based
|
||||
page</a> - <a href="eoProgramming.html">Programming hints</a> - <font face="Arial,Helvetica"><a href="../../doc/html/index.html">EO
|
||||
|
|
@ -343,8 +307,8 @@ documentation</a></font>
|
|||
<hr>
|
||||
<address>
|
||||
<a href="mailto:marc.schoenauer@polytechnique.fr">Marc Schoenauer</a></address>
|
||||
<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last
|
||||
modified: Sun Nov 19 08:31:26 2000
|
||||
<!-- hhmts end -->
|
||||
|
||||
<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last modified: Sun Nov
|
||||
19 08:31:26 2000<!-- hhmts end -->
|
||||
</body>
|
||||
</html>
|
||||
|
|
|
|||
|
|
@ -34,8 +34,9 @@ Breeder - and Combined Ops</font></tt>
|
|||
<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">// standard includes</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <stdexcept> </b>// runtime_error </font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <iostream>
|
||||
</b>// cout</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <iostream>
|
||||
</b>//
|
||||
cout</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <strstream> </b>// ostrstream,
|
||||
istrstream</font></tt>
|
||||
<br><tt><font color="#993300">// the general include for eo</font></tt>
|
||||
|
|
@ -46,6 +47,9 @@ istrstream</font></tt>
|
|||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#999900">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#999900">// Include the corresponding file </font></tt>
|
||||
<br><tt><font color="#999900"><b>#include <es.h></b>
|
||||
// real-representation & operators </font></tt>
|
||||
<br><tt><font color="#999900">// define your individuals</font></tt>
|
||||
<br><b><tt><font color="#999900">typedef eoReal<double> Indi; </font></tt></b></td>
|
||||
</tr>
|
||||
|
|
@ -77,12 +81,16 @@ seed for random number generator</font></tt>
|
|||
<br><tt><font color="#3366FF"><b> const unsigned int T_SIZE = 3; </b>//
|
||||
size for tournament selection</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int VEC_SIZE = 8;
|
||||
</b>// Number of object variables in genotypes</font></tt>
|
||||
</b>//
|
||||
Number of object variables in genotypes</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int POP_SIZE = 20;
|
||||
</b>// Size of population</font></tt>
|
||||
</b>//
|
||||
Size of population</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int MAX_GEN = 500;
|
||||
</b>// Maximum number of generation before STOP</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int MIN_GEN = 10;
|
||||
</b>//
|
||||
Maximum number of generation before STOP</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int MIN_GEN = 10;
|
||||
|
||||
</b>// Minimum number of generation before ...</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int STEADY_GEN =
|
||||
50; </b>// stop after STEADY_GEN gen. without improvelent</font></tt>
|
||||
|
|
@ -97,13 +105,17 @@ SIGMA = 0.3; </b> // std dev.
|
|||
for normal mutation</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// some parameters for chosing
|
||||
among different operators</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double segmentRate = 0.5;
|
||||
<br><tt><font color="#3366FF"><b> const double segmentRate = 0.5;
|
||||
|
||||
</b>// relative weight for 1-pt Xover</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double arithmeticRate = 0.5;
|
||||
</b>// relative weight for 2-pt Xover</font></tt>
|
||||
</b>//
|
||||
relative weight for 2-pt Xover</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double uniformMutRate = 0.5;
|
||||
</b>// relative weight for bit-flip mutation</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double detMutRate = 0.5;
|
||||
</b>//
|
||||
relative weight for bit-flip mutation</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double detMutRate = 0.5;
|
||||
|
||||
</b>// relative weight for one-bit mutation</font></tt>
|
||||
<br><tt><font color="#3366FF"> <b>const double normalMutRate = 0.5;</b>
|
||||
// relative weight for normal mutation</font></tt></td>
|
||||
|
|
@ -181,8 +193,8 @@ it!</font></tt>
|
|||
<tr>
|
||||
<td><tt><font color="#009900"><b> </b>// The robust tournament selection</font></tt>
|
||||
<br><b><tt><font color="#009900"> eoDetTournamentSelect<Indi> selectOne(T_SIZE);</font></tt></b>
|
||||
<br><a NAME="select_encapsulate"></a><tt><font color="#009900"><b> </b>//
|
||||
is now encapsulated in a eoSelectPerc (entage)</font></tt>
|
||||
<br><a NAME="select_encapsulate"></a><tt><font color="#009900">// is now
|
||||
encapsulated in a eoSelectPerc (entage)</font></tt>
|
||||
<br><tt><font color="#009900"><b> eoSelectPerc<Indi> select(selectOne);</b>//
|
||||
by default rate==1</font></tt></td>
|
||||
</tr>
|
||||
|
|
@ -295,8 +307,7 @@ eval, select, transform, replace);</font></tt></b>
|
|||
it!</font></tt>
|
||||
<br><b><tt><font color="#FF6666"> cout << "\n
|
||||
Here we go\n\n";</font></tt></b>
|
||||
<br><b><tt><font color="#FF6666"> gga(pop);</font></tt></b>
|
||||
<br> </td>
|
||||
<br><b><tt><font color="#FF6666"> gga(pop);</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="output"></a>
|
||||
|
|
|
|||
|
|
@ -2,9 +2,9 @@
|
|||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
||||
<meta name="GENERATOR" content="cpp2html Marc Schoenauer">
|
||||
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
|
||||
<title>../FirstRealGA.html</title>
|
||||
<!-- Changed by: Marc Schoenauer, 29-Nov-2000 -->
|
||||
<!-- Changed by: Marc Schoenauer, 29-Nov-2000 -->
|
||||
</head>
|
||||
<body text="#000000" bgcolor="#C3C2B4" link="#0000EE" vlink="#551A8B" alink="#FF0000">
|
||||
<a href="eoLesson1.html">Back to Lesson 1</a> - <a href="eoTutorial.html">Tutorial
|
||||
|
|
@ -16,325 +16,293 @@ documentation</a></font>
|
|||
<center>
|
||||
<h1>
|
||||
<font color="#FF0000">../FirstRealGA.html</font></h1></center>
|
||||
Click on the figure to see the corresponding code.<br>
|
||||
In the code, the <a href="eoTutorial.html#colors">colors are meaningfull</a><br>
|
||||
The actual code is in boldface and the comment in normal face.
|
||||
<br><img SRC="EA_tutorial.jpg" USEMAP="#Map" >
|
||||
<map NAME="Map">
|
||||
<!-- Init -->
|
||||
<area SHAPE="rect" HREF="#init" COORDS="14,31,135,70">
|
||||
<area SHAPE="rect" HREF="#eval" COORDS="14,110,135,150">
|
||||
<!-- main loop -->
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="170,110,295,150">
|
||||
<area SHAPE="rect" HREF="#output" COORDS="280,45,480,70">
|
||||
<area SHAPE="rect" HREF="#stop" COORDS="348,110,430,150">
|
||||
<area SHAPE="rect" HREF="#select" COORDS="495,110,615,150">
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="495,190,615,230">
|
||||
<area SHAPE="rect" HREF="#crossover" COORDS="495,265,625,287">
|
||||
<area SHAPE="rect" HREF="#mutation" COORDS="495,287,625,305">
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="240,270,465,310">
|
||||
<area SHAPE="rect" HREF="#eval" COORDS="170,270,295,310">
|
||||
<area SHAPE="rect" HREF="#replace" COORDS="170,190,295,230">
|
||||
<!-- Center of loop -->
|
||||
<area SHAPE="rect" HREF="#generation" COORDS="310,160,485,260">
|
||||
<!-- 4 bottom lines -->
|
||||
<area SHAPE="rect" HREF="#operators" COORDS="15,350,260,370">
|
||||
<area SHAPE="rect" HREF="#representation" COORDS="270,350,460,370">
|
||||
<area SHAPE="rect" HREF="#engine" COORDS="15,377,400,397">
|
||||
<area SHAPE="rect" HREF="#eval" COORDS="15,403,230,423">
|
||||
<area SHAPE="rect" HREF="#checkpoint" COORDS="15,430,221,450">
|
||||
<area SHAPE="rect" HREF="#stop" COORDS="221,430,345,450">
|
||||
<area SHAPE="rect" HREF="#stat" COORDS="375,430,445,450">
|
||||
<area SHAPE="rect" HREF="#parametres" COORDS="0,358,278,378">
|
||||
</map>
|
||||
<br>
|
||||
<A NAME="start"></a>
|
||||
Click on the figure to see the corresponding code.
|
||||
<br>In the code, the <a href="eoTutorial.html#colors">colors are meaningfull</a>
|
||||
<br>The actual code is in boldface and the comment in normal face.
|
||||
<br><img SRC="EA_tutorial.jpg" USEMAP="#Map" ><map NAME="Map"><!-- Init --><area SHAPE="rect" HREF="#init" COORDS="14,31,135,70"><area SHAPE="rect" HREF="#eval" COORDS="14,110,135,150"><!-- main loop --><area SHAPE="rect" HREF="#representation" COORDS="170,110,295,150"><area SHAPE="rect" HREF="#output" COORDS="280,45,480,70"><area SHAPE="rect" HREF="#stop" COORDS="348,110,430,150"><area SHAPE="rect" HREF="#select" COORDS="495,110,615,150"><area SHAPE="rect" HREF="#representation" COORDS="495,190,615,230"><area SHAPE="rect" HREF="#crossover" COORDS="495,265,625,287"><area SHAPE="rect" HREF="#mutation" COORDS="495,287,625,305"><area SHAPE="rect" HREF="#representation" COORDS="240,270,465,310"><area SHAPE="rect" HREF="#eval" COORDS="170,270,295,310"><area SHAPE="rect" HREF="#replace" COORDS="170,190,295,230"><!-- Center of loop --><area SHAPE="rect" HREF="#generation" COORDS="310,160,485,260"><!-- 4 bottom lines --><area SHAPE="rect" HREF="#operators" COORDS="15,350,260,370"><area SHAPE="rect" HREF="#representation" COORDS="270,350,460,370"><area SHAPE="rect" HREF="#engine" COORDS="15,377,400,397"><area SHAPE="rect" HREF="#eval" COORDS="15,403,230,423"><area SHAPE="rect" HREF="#checkpoint" COORDS="15,430,221,450"><area SHAPE="rect" HREF="#stop" COORDS="221,430,345,450"><area SHAPE="rect" HREF="#stat" COORDS="375,430,445,450"><area SHAPE="rect" HREF="#parametres" COORDS="0,358,278,378"></map>
|
||||
<br><a NAME="start"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr NOSAVE>
|
||||
<td NOSAVE><tt><font color="#993300">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// FirstRealGA.cpp<br>
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
//*<br>
|
||||
// An instance of a VERY simple Real-coded Genetic Algorithm<br>
|
||||
//<br>
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// standard includes<br>
|
||||
<b>#include <stdexcept> </b>// runtime_error <br>
|
||||
<b>#include <iostream> </b>// cout<br>
|
||||
<b>#include <strstream> </b>// ostrstream, istrstream<br>
|
||||
// the general include for eo<br>
|
||||
<b>#include <eo></b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td NOSAVE><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">// FirstRealGA.cpp</font></tt>
|
||||
<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">//*</font></tt>
|
||||
<br><tt><font color="#993300">// An instance of a VERY simple Real-coded
|
||||
Genetic Algorithm</font></tt>
|
||||
<br><tt><font color="#993300">//</font></tt>
|
||||
<br><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#993300">// standard includes</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <stdexcept> </b>// runtime_error </font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <iostream>
|
||||
</b>// cout</font></tt>
|
||||
<br><tt><font color="#993300"><b>#include <strstream> </b>// ostrstream,
|
||||
istrstream</font></tt>
|
||||
<br><tt><font color="#993300">// the general include for eo</font></tt>
|
||||
<br><b><tt><font color="#993300">#include <eo></font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="representation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
|
||||
<a NAME="representation"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#999900">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// define your individuals<br>
|
||||
<b> typedef eoReal<double> Indi;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#999900">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#999900">// Include the corresponding file</font></tt>
|
||||
<br><tt><font color="#999900"><b>#include <es.h></b>
|
||||
// real-representation & operators</font></tt>
|
||||
<br><tt><font color="#999900">// define your individuals</font></tt>
|
||||
<br><b><tt><font color="#999900">typedef eoReal<double> Indi;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#CC0000">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
// a simple fitness function that computes the euclidian norm of a real vector<br>
|
||||
// @param _indi A real-valued individual <br>
|
||||
<a name="evalfunc"></a>
|
||||
<b>double real_value(const Indi & _indi)</b><br>
|
||||
<b>{</b><br>
|
||||
<b> double sum = 0;</b><br>
|
||||
<b> for (unsigned i = 0; i < _indi.size(); i++)</b><br>
|
||||
<b> sum += _indi[i]*_indi[i];</b><br>
|
||||
<b> return (-sum); </b>// maximizing only<br>
|
||||
<b>}</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#CC0000">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#CC0000">// a simple fitness function that computes
|
||||
the euclidian norm of a real vector</font></tt>
|
||||
<br><tt><font color="#CC0000">// @param _indi
|
||||
A real-valued individual </font></tt>
|
||||
<br><a NAME="evalfunc"></a><b><tt><font color="#CC0000">double real_value(const
|
||||
Indi & _indi)</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000">{</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000"> double sum = 0;</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000"> for (unsigned i = 0; i < _indi.size();
|
||||
i++)</font></tt></b>
|
||||
<br><b><tt><font color="#CC0000">
|
||||
sum += _indi[i]*_indi[i];</font></tt></b>
|
||||
<br><tt><font color="#CC0000"><b> return (-sum);
|
||||
</b>// maximizing only</font></tt>
|
||||
<br><b><tt><font color="#CC0000">}</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="general"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
//-----------------------------------------------------------------------------<br>
|
||||
<b>void main_function(int argc, char **argv)</b><br>
|
||||
<b>{</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#993300">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><b><tt><font color="#993300">void main_function(int argc, char **argv)</font></tt></b>
|
||||
<br><b><tt><font color="#993300">{</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="parametres"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="parametres"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>// all parameters are hard-coded!<br>
|
||||
<b> const unsigned int SEED = 42; </b>// seed for random number generator<br>
|
||||
<b> const unsigned int VEC_SIZE = 8; </b>// Number of object variables in genotypes<br>
|
||||
<b> const unsigned int POP_SIZE = 20; </b>// Size of population<br>
|
||||
<b> const unsigned int T_SIZE = 3; </b>// size for tournament selection<br>
|
||||
<b> const unsigned int MAX_GEN = 500; </b>// Maximum number of generation before STOP<br>
|
||||
<b> const float CROSS_RATE = 0.8; </b>// Crossover rate<br>
|
||||
<b> const double EPSILON = 0.01; </b>// range for real uniform mutation<br>
|
||||
<b> const float MUT_RATE = 0.5; </b>// mutation rate<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>// all parameters are hard-coded!</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int SEED = 42; </b>//
|
||||
seed for random number generator</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int VEC_SIZE = 8;
|
||||
</b>// Number of object variables in genotypes</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int POP_SIZE = 20;
|
||||
</b>// Size of population</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int T_SIZE = 3; </b>//
|
||||
size for tournament selection</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const unsigned int MAX_GEN = 500;
|
||||
</b>// Maximum number of generation before STOP</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const float CROSS_RATE = 0.8; </b>//
|
||||
Crossover rate</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const double EPSILON = 0.01;
|
||||
</b>// range for real uniform mutation</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> const float MUT_RATE = 0.5;
|
||||
</b>// mutation rate</font></tt></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="general"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="general"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
<a NAME="random"></a>
|
||||
<b> </b>//////////////////////////<br>
|
||||
<b> </b>// Random seed<br>
|
||||
<b> </b>//////////////////////////<br>
|
||||
<b> </b>//reproducible random seed: if you don't change SEED above, <br>
|
||||
<b> </b>// you'll aways get the same result, NOT a random run<br>
|
||||
<b> rng.reseed(SEED);</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><a NAME="random"></a><tt><font color="#993300"><b> </b>//////////////////////////</font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>// Random seed</font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>//////////////////////////</font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>//reproducible random seed:
|
||||
if you don't change SEED above, </font></tt>
|
||||
<br><tt><font color="#993300"><b> </b>// you'll aways get the same
|
||||
result, NOT a random run</font></tt>
|
||||
<br><b><tt><font color="#993300"> rng.reseed(SEED);</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="eval"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<a NAME="eval"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#CC0000">
|
||||
<b> </b>/////////////////////////////<br>
|
||||
<b> </b>// Fitness function<br>
|
||||
<b> </b>////////////////////////////<br>
|
||||
<b> </b>// Evaluation: from a plain C++ fn to an EvalFunc Object<br>
|
||||
<b> eoEvalFuncPtr<Indi> eval( real_value );</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#CC0000"><b> </b>/////////////////////////////</font></tt>
|
||||
<br><tt><font color="#CC0000"><b> </b>// Fitness function</font></tt>
|
||||
<br><tt><font color="#CC0000"><b> </b>////////////////////////////</font></tt>
|
||||
<br><tt><font color="#CC0000"><b> </b>// Evaluation: from a plain
|
||||
C++ fn to an EvalFunc Object</font></tt>
|
||||
<br><b><tt><font color="#CC0000"> eoEvalFuncPtr<Indi> eval(
|
||||
real_value );</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="init"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<a NAME="init"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>////////////////////////////////<br>
|
||||
<b> </b>// Initilisation of population<br>
|
||||
<b> </b>////////////////////////////////<br>
|
||||
<b> </b>// declare the population<br>
|
||||
<b> eoPop<Indi> pop;</b><br>
|
||||
<b> </b>// fill it!<br>
|
||||
<b> for (unsigned int igeno=0; igeno<POP_SIZE; igeno++)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> Indi v; </b>// void individual, to be filled<br>
|
||||
<b> for (unsigned ivar=0; ivar<VEC_SIZE; ivar++)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> double r = 2*rng.uniform() - 1; </b>// new value, random in [-1,1)<br>
|
||||
<b> v.push_back(r); </b>// append that random value to v<br>
|
||||
<b> }</b><br>
|
||||
<b> eval(v); </b>// evaluate it<br>
|
||||
<b> pop.push_back(v); </b>// and put it in the population<br>
|
||||
<b> }</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#993399"><b> </b>////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>// Initilisation of population</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>// declare the population</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoPop<Indi> pop;</font></tt></b>
|
||||
<br><tt><font color="#993399"><b> </b>// fill it!</font></tt>
|
||||
<br><b><tt><font color="#993399"> for (unsigned int igeno=0; igeno<POP_SIZE;
|
||||
igeno++)</font></tt></b>
|
||||
<br><b><tt><font color="#993399"> {</font></tt></b>
|
||||
<br><tt><font color="#993399"><b>
|
||||
Indi v;
|
||||
</b>// void individual, to be filled</font></tt>
|
||||
<br><b><tt><font color="#993399">
|
||||
for (unsigned ivar=0; ivar<VEC_SIZE; ivar++)</font></tt></b>
|
||||
<br><b><tt><font color="#993399">
|
||||
{</font></tt></b>
|
||||
<br><tt><font color="#993399"><b>
|
||||
double r = 2*rng.uniform() - 1; </b>// new value, random in [-1,1)</font></tt>
|
||||
<br><tt><font color="#993399"><b>
|
||||
v.push_back(r);
|
||||
</b>// append that random value to v</font></tt>
|
||||
<br><b><tt><font color="#993399">
|
||||
}</font></tt></b>
|
||||
<br><tt><font color="#993399"><b>
|
||||
eval(v);
|
||||
</b>// evaluate it</font></tt>
|
||||
<br><b><tt><font color="#993399">
|
||||
pop.push_back(v);
|
||||
</font></tt></b><tt><font color="#993399">// and put it in the population</font></tt>
|
||||
<br><b><tt><font color="#993399"> }</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="output"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="output"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>// sort pop before printing it!<br>
|
||||
<b> pop.sort();</b><br>
|
||||
<b> </b>// Print (sorted) intial population (raw printout)<br>
|
||||
<b> cout << "Initial Population" << endl;</b><br>
|
||||
<b> cout << pop;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>// sort pop before printing
|
||||
it!</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> pop.sort();</font></tt></b>
|
||||
<br><tt><font color="#3366FF"><b> </b>// Print (sorted) intial population
|
||||
(raw printout)</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> cout << "Initial Population"
|
||||
<< endl;</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> cout << pop;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="engine"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<a NAME="engine"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#009900">
|
||||
<b> </b>/////////////////////////////////////<br>
|
||||
<b> </b>// selection and replacement<br>
|
||||
<b> </b>////////////////////////////////////<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#009900"><b> </b>/////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#009900"><b> </b>// selection and replacement</font></tt>
|
||||
<br><tt><font color="#009900"><b> </b>////////////////////////////////////</font></tt></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="select"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<a NAME="select"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#009900">
|
||||
<b> </b>// The robust tournament selection<br>
|
||||
<b> eoDetTournamentSelect<Indi> select(T_SIZE); </b>// T_SIZE in [2,POP_SIZE]<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#009900"><b> </b>// The robust tournament selection</font></tt>
|
||||
<br><tt><font color="#009900"><b> eoDetTournamentSelect<Indi> select(T_SIZE);
|
||||
</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 >
|
||||
<a NAME="replace"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#99FFCC" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#009900">
|
||||
<b> </b>// eoSGA uses generational replacement by default<br>
|
||||
<b> </b>// so no replacement procedure has to be given<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#009900"><b> </b>// eoSGA uses generational replacement
|
||||
by default</font></tt>
|
||||
<br><tt><font color="#009900"><b> </b>// so no replacement procedure
|
||||
has to be given</font></tt></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="stop"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="stop"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
</font></tt>
|
||||
</td>
|
||||
<td></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="checkpoint"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="checkpoint"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
<b> </b>// termination condition<br>
|
||||
<b> </b>/////////////////////////////////////<br>
|
||||
<b> </b>// stop after MAX_GEN generations<br>
|
||||
<b> eoGenContinue<Indi> continuator(MAX_GEN);</b><br>
|
||||
<b> </b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>//////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// termination condition</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>/////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#3366FF"><b> </b>// stop after MAX_GEN generations</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> eoGenContinue<Indi> continuator(MAX_GEN);</font></tt></b>
|
||||
<br> </td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="operators"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<a NAME="operators"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
<b> </b>// The variation operators<br>
|
||||
<b> </b>//////////////////////////////////////<br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#993399"><b> </b>//////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>// The variation operators</font></tt>
|
||||
<br><tt><font color="#993399"><b> </b>//////////////////////////////////////</font></tt></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="mutation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<a NAME="mutation"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>// offspring(i) uniformly chosen in [parent(i)-epsilon, parent(i)+epsilon]<br>
|
||||
<b> eoUniformMutation<Indi> mutation(EPSILON); </b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#993399"><b> </b>// offspring(i) uniformly chosen
|
||||
in [parent(i)-epsilon, parent(i)+epsilon]</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoUniformMutation<Indi>
|
||||
mutation(EPSILON); </font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="crossover"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<a NAME="crossover"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCCFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993399">
|
||||
<b> </b>// offspring(i) is a linear combination of parent(i)<br>
|
||||
<b> eoArithmeticCrossover<Indi> xover;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#993399"><b> </b>// offspring(i) is a linear
|
||||
combination of parent(i)</font></tt>
|
||||
<br><b><tt><font color="#993399"> eoArithmeticCrossover<Indi> xover;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="generation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="generation"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#FF6666">
|
||||
<b> </b>/////////////////////////////////////////<br>
|
||||
<b> </b>// the algorithm<br>
|
||||
<b> </b>////////////////////////////////////////<br>
|
||||
<b> </b>// standard Generational GA requires<br>
|
||||
<b> </b>// selection, evaluation, crossover and mutation, stopping criterion<br>
|
||||
<b> </b><br>
|
||||
<b> eoSGA<Indi> gga(select, xover, CROSS_RATE, mutation, MUT_RATE, </b><br>
|
||||
<b> eval, continuator);</b><br>
|
||||
<b> </b>// Apply algo to pop - that's it!<br>
|
||||
<b> gga(pop);</b><br>
|
||||
<b> </b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#FF6666"><b> </b>/////////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// the algorithm</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>////////////////////////////////////////</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// standard Generational GA
|
||||
requires</font></tt>
|
||||
<br><tt><font color="#FF6666"><b> </b>// selection, evaluation, crossover
|
||||
and mutation, stopping criterion</font></tt>
|
||||
<p><b><tt><font color="#FF6666"> eoSGA<Indi> gga(select, xover,
|
||||
CROSS_RATE, mutation, MUT_RATE, </font></tt></b>
|
||||
<br><b><tt><font color="#FF6666">
|
||||
eval, continuator);</font></tt></b>
|
||||
<br><tt><font color="#FF6666"><b> </b>// Apply algo to pop - that's
|
||||
it!</font></tt>
|
||||
<br><b><tt><font color="#FF6666"> gga(pop);</font></tt></b>
|
||||
<br> </td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="final_output"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<a NAME="final_output"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#CCFFFF" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#3366FF">
|
||||
<b> </b>// Print (sorted) intial population<br>
|
||||
<b> pop.sort();</b><br>
|
||||
<b> cout << "FINAL Population\n" << pop << endl;</b><br>
|
||||
</font></tt>
|
||||
</td>
|
||||
<td><tt><font color="#3366FF"><b> </b>// Print (sorted) intial population</font></tt>
|
||||
<br><b><tt><font color="#3366FF"> pop.sort();</font></tt></b>
|
||||
<br><b><tt><font color="#3366FF"> cout << "FINAL Population\n"
|
||||
<< pop << endl;</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
<a NAME="main"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<a NAME="main"></a>
|
||||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE >
|
||||
<tr>
|
||||
<td>
|
||||
<tt><font color="#993300">
|
||||
<b>}</b><br>
|
||||
// A main that catches the exceptions<br>
|
||||
<b>int main(int argc, char **argv)</b><br>
|
||||
<b>{</b><br>
|
||||
<b>#ifdef _MSC_VER</b><br>
|
||||
<b> </b>// rng.reseed(42);<br>
|
||||
<b> int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</b><br>
|
||||
<b> flag |= _CRTDBG_LEAK_CHECK_DF;</b><br>
|
||||
<b> _CrtSetDbgFlag(flag);</b><br>
|
||||
// _CrtSetBreakAlloc(100);<br>
|
||||
<b>#endif</b><br>
|
||||
<b> try</b><br>
|
||||
<b> {</b><br>
|
||||
<b> main_function(argc, argv);</b><br>
|
||||
<b> }</b><br>
|
||||
<b> catch(exception& e)</b><br>
|
||||
<b> {</b><br>
|
||||
<b> cout << "Exception: " << e.what() << '\n';</b><br>
|
||||
<b> }</b><br>
|
||||
<b> return 1;</b><br>
|
||||
<b>}</b><br>
|
||||
</font></font></font></td>
|
||||
<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> </b>// rng.reseed(42);</font></tt>
|
||||
<br><b><tt><font color="#993300"> int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> flag
|
||||
|= _CRTDBG_LEAK_CHECK_DF;</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> _CrtSetDbgFlag(flag);</font></tt></b>
|
||||
<br><tt><font color="#993300">// _CrtSetBreakAlloc(100);</font></tt>
|
||||
<br><b><tt><font color="#993300">#endif</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> try</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> {</font></tt></b>
|
||||
<br><b><tt><font color="#993300">
|
||||
main_function(argc, argv);</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> }</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> catch(exception&
|
||||
e)</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> {</font></tt></b>
|
||||
<br><b><tt><font color="#993300">
|
||||
cout << "Exception: " << e.what() << '\n';</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> }</font></tt></b>
|
||||
<br><b><tt><font color="#993300"> return 1;</font></tt></b>
|
||||
<br><b><tt><font color="#993300">}</font></tt></b></td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<hr WIDTH="100%"><a href="eoLesson1.html">Back to Lesson 1</a> - <a href="eoTutorial.html">Tutorial
|
||||
main page </a>- <a href="eoTopDown.html">Algorithm-Based</a> - <a href="eoBottomUp.html">Component-Based
|
||||
page</a> - <a href="eoProgramming.html">Programming hints</a> - <font face="Arial,Helvetica"><a href="../../doc/html/index.html">EO
|
||||
|
|
@ -342,8 +310,8 @@ documentation</a></font>
|
|||
<hr>
|
||||
<address>
|
||||
<a href="mailto:marc.schoenauer@polytechnique.fr">Marc Schoenauer</a></address>
|
||||
<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last
|
||||
modified: Sun Nov 19 08:31:29 2000
|
||||
<!-- hhmts end -->
|
||||
|
||||
<br><!-- Created: Nov 2000 --><!-- hhmts start -->Last modified: Sun Nov
|
||||
19 08:31:29 2000<!-- hhmts end -->
|
||||
</body>
|
||||
</html>
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
||||
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdksmp i686) [Netscape]">
|
||||
<meta name="GENERATOR" content="Mozilla/4.75 [en] (X11; U; Linux 2.2.17-21mdk i686) [Netscape]">
|
||||
<title>Differences</title>
|
||||
</head>
|
||||
<body text="#000000" link="#0000EE" vlink="#551A8B" alink="#FF0000" background="beige009.jpg">
|
||||
|
|
@ -57,11 +57,15 @@ the parameter for the mutation).</li>
|
|||
</tr>
|
||||
|
||||
<tr>
|
||||
<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#FFFF00">typedef
|
||||
eoReal<double> Indi;</font></font></td>
|
||||
<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#FFFF00">#include
|
||||
<es.h></font></font>
|
||||
<br><font face="Courier New,Courier"><font color="#FFFF00">typedef eoReal<double>
|
||||
Indi;</font></font></td>
|
||||
|
||||
<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#FFFF00">typedef
|
||||
eoBin<double> Indi;</font></font></td>
|
||||
<td BGCOLOR="#F0C6B7"><font face="Courier New,Courier"><font color="#FFFF00">#include
|
||||
<ga.h></font></font>
|
||||
<br><font face="Courier New,Courier"><font color="#FFFF00">typedef eoBin<double>
|
||||
Indi;</font></font></td>
|
||||
</tr>
|
||||
|
||||
<tr>
|
||||
|
|
|
|||
|
|
@ -63,6 +63,9 @@ the number of ones of a bitstring</font></tt>
|
|||
<table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE >
|
||||
<tr>
|
||||
<td><tt><font color="#999900">//-----------------------------------------------------------------------------</font></tt>
|
||||
<br><tt><font color="#999900">// Include the corresponding file</font></tt>
|
||||
<br><tt><font color="#999900"><b>#include <ga.h></b>
|
||||
// bitstring representation & operators</font></tt>
|
||||
<br><tt><font color="#999900">// define your genotype and fitness types</font></tt>
|
||||
<br><b><tt><font color="#999900">typedef eoBin<double> Indi;</font></tt></b></td>
|
||||
</tr>
|
||||
|
|
@ -311,7 +314,6 @@ of initializatio of the population</font></tt></td>
|
|||
<tr>
|
||||
<td><tt><font color="#009900"><b> </b>// The robust tournament selection</font></tt>
|
||||
<br><tt><font color="#009900"><b> eoDetTournamentSelect<Indi> selectOne(tSize);
|
||||
|
||||
</b>// tSize in [2,POPSIZE]</font></tt>
|
||||
<br><tt><font color="#009900"><b> </b>// is now encapsulated in a
|
||||
eoSelectPerc (entage)</font></tt>
|
||||
|
|
|
|||
|
|
@ -99,9 +99,14 @@ this is a file that contains the list of the most important EO files.</font></li
|
|||
<br>
|
||||
<li>
|
||||
<b><font color="#999900">Representation</font></b><font color="#000000">:
|
||||
you then have to declare the type of individuals you will be handling.
|
||||
All evolution-related objects you will need are templatized w.r.t. the
|
||||
type of individuals.</font></li>
|
||||
you need to declare the type of individuals you will be handling. First,
|
||||
include some header files where these are defined: </font><b><tt><font color="#999900">ga.h</font></tt></b><font color="#000000">
|
||||
for bitstring, </font><b><tt><font color="#999900">es.h</font></tt></b><font color="#000000">
|
||||
for real-valued genotypes.<br>
|
||||
Then a </font><b><tt><font color="#993300">typedef</font></tt></b><font color="#000000">
|
||||
directive will allow one to handle the abstract </font><b><tt><font color="#993300">Indi</font></tt></b><font color="#000000">
|
||||
all around in the main code. Remember that all evolution-related objects
|
||||
you will need are templatized w.r.t. the type of individuals.</font></li>
|
||||
|
||||
<ul>
|
||||
<li>
|
||||
|
|
|
|||
|
|
@ -67,13 +67,7 @@ argument is a <a href="binary_value.html">vector<bool></a> or a <a href="real
|
|||
and not an unknown type. This will allow to use the same file for any EO
|
||||
object that is a sub-class of the corresponding STL vector class.</font></li>
|
||||
|
||||
<br>
|
||||
<p>
|
||||
<br>
|
||||
<br>
|
||||
<br>
|
||||
<br>
|
||||
<p><b><font color="#FF0000">Note:</font></b> <font color="#000000">Also,
|
||||
<p><br><b><font color="#FF0000">Note:</font></b> <font color="#000000">Also,
|
||||
a non-templatized fitness can be </font><b><font color="#FF6600">compiled
|
||||
separately</font></b><font color="#000000"> (not done here) into an object
|
||||
file once and for all (<a href="eoProgramming.html#templates">remember</a>
|
||||
|
|
@ -88,14 +82,8 @@ have to declare 3 template arguments: the type of EO object it will be
|
|||
applied to, the return type and the type of argument the function actually
|
||||
requires.</font></li>
|
||||
|
||||
<br>
|
||||
<p>
|
||||
<br>
|
||||
<br>
|
||||
<br>
|
||||
<br>
|
||||
<p><b><font color="#FF0000">Note:</font></b> <font color="#000000">In the
|
||||
previous files (<a href="FirstBitGA.html#eval">Bit</a> - <a href="FirstRealGA.html#eval">Real</a>)
|
||||
<p><br><b><font color="#FF0000">Note:</font></b> <font color="#000000">In
|
||||
the previous files (<a href="FirstBitGA.html#eval">Bit</a> - <a href="FirstRealGA.html#eval">Real</a>)
|
||||
, the last 2 types were deduced from the first (2nd argument = fitness
|
||||
type of EO object, third = first).</font>
|
||||
<br>
|
||||
|
|
@ -117,13 +105,7 @@ You can also use different initializers and call them in turn through the
|
|||
call to <a href="../../doc/html/class_eopop.html#a2">pop.append()</a> function
|
||||
(see <a href="#exercise2">Exercise 2</a>).</font></li>
|
||||
|
||||
<br>
|
||||
<p>
|
||||
<br>
|
||||
<br>
|
||||
<br>
|
||||
<br>
|
||||
<p><b><font color="#FF0000">Note</font><font color="#CC33CC">: </font></b><font color="#000000">Don't
|
||||
<p><br><b><font color="#FF0000">Note</font><font color="#CC33CC">: </font></b><font color="#000000">Don't
|
||||
forget to </font><b><font color="#CC0000">evaluate the population</font></b><font color="#000000">:
|
||||
the eoPop has no idea of the eval function, so it has to be done from outside!!!</font>
|
||||
<br>
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue