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<!doctype html public "-//w3c//dtd html 4.0 transitional//en"><html><head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="GENERATOR" content="cpp2html Marc Schoenauer"> <title>BitEA.cpp</title></head><body text="#000000" bgcolor="#C3C2B4" link="#0000EE" vlink="#551A8B" alink="#FF0000"><a href="eoLesson4.html">Back to Lesson 4</a> - <a href="eoTutorial.html">Tutorialmain page </a>- <a href="eoTopDown.html">Top-Down page</a> - <a href="eoBottomUp.html">Bottom-uppage</a> - <a href="eoProgramming.html">Programming hints</a> - <font face="Arial,Helvetica"><a href="doc/html/index.html">EOdocumentation</a></font><br><hr WIDTH="100%"><!-- -------------- End of header ------------------ --><!-- ----------------------------------------------- --><center><h1><font color="#FF0000">BitEA.cpp</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><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFCC99" NOSAVE ><tr NOSAVE><td NOSAVE><tt><font color="#993300"><b>#include <iostream></b><br><b>#include <ga/make_ga.h></b><br><b>#include <apply.h></b><br></font></tt></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>#include "binary_value.h"</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>using namespace std;</b><br><b>int main(int argc, char* argv[])</b><br><b>{</b><br><b> try</b><br><b> {</b><br></font></tt></td></tr></table><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 genotype and fitness types<br><b> typedef eoBit<double> EOT;</b><br></font></tt></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> eoParser parser(argc, argv); </b>// for user-parameter reading<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> eoState state; </b>// keeps all things allocated<br><b> </b>///// FIRST, problem or representation dependent stuff<br><b> </b>//////////////////////////////////////////////////////<br></font></tt></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>// The evaluation fn - encapsulated into an eval counter for output <br><b> eoEvalFuncPtr<EOT, float> mainEval( binary_value<EOT> );</b><br><b> eoEvalFuncCounter<EOT> eval(mainEval);</b><br></font></tt></td></tr></table><a NAME="representation"></a><table BORDER=0 CELLSPACING=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE ><tr><td><tt><font color="#999900"><b> </b>// the genotype - through a genotype initializer<br><b> eoInit<EOT>& init = make_genotype(parser, state, EOT());</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>// Build the variation operator (any seq/prop construct)<br><b> eoGenOp<EOT>& op = make_op(parser, state, init);</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>//// Now the representation-independent things<br><b> </b>//////////////////////////////////////////////<br><b> </b>// initialize the population - and evaluate<br><b> </b>// yes, this is representation indepedent once you have an eoInit<br><b> eoPop<EOT>& pop = make_pop(parser, state, init);</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"><b> </b>// stopping criteria<br><b> eoContinue<EOT> & term = make_continue(parser, state, eval);</b><br><b> </b>// output<br><b> eoCheckPoint<EOT> & checkpoint = make_checkpoint(parser, state, eval, term);</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>// algorithm (need the operator!)<br><b> eoAlgo<EOT>& ga = make_algo_scalar(parser, state, eval, checkpoint, op);</b><br><b> </b>///// End of construction of the algorith<br><b> </b>/////////////////////////////////////////<br></font></tt></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>// to be called AFTER all parameters have been read!!!<br><b> make_help(parser);</b><br><b> </b>//// GO<br><b> </b>///////<br></font></tt></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>// evaluate intial population AFTER help and status in case it takes time<br><b> apply(eval, pop);</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"><b> </b>// print it out (sort witout modifying) <br><b> cout << "Initial Population\n";</b><br><b> pop.sortedPrintOn(cout);</b><br><b> cout << endl;</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> run_ea(ga, pop); </b>// run the ga<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 it out (sort witout modifying) <br><b> cout << "Final Population\n";</b><br><b> pop.sortedPrintOn(cout);</b><br><b> cout << 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><b> catch(exception& e)</b><br><b> {</b><br><b> cout << e.what() << endl;</b><br><b> }</b><br><b>}</b><br></font></font></font></td></tr></table><hr WIDTH="100%"><a href="eoLesson4.html">Back to Lesson 4</a> - <a href="eoTutorial.html">Tutorialmain page </a>- <a href="eoTopDown.html">Top-Down page</a> - <a href="eoBottomUp.html">Bottom-uppage</a> - <a href="eoProgramming.html">Programming hints</a> - <font face="Arial,Helvetica"><a href="doc/html/index.html">EOdocumentation</a></font><hr><address><a href="mailto:Marc.Schoenauer@inria.fr">Marc Schoenauer</a></address><br><!-- Created: Nov 2000 --><!-- hhmts start -->Lastmodified: Wed Mar 6 05:40:27 2002<!-- hhmts end --></body></html>⌨️ 快捷键说明
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