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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@122 331e1502-861f-0410-8da2-ba01fb791d7f

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legrand 2006-12-22 09:01:36 +00:00
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9
trunk/paradiseo-moeo/tutorials/lesson2/Makefile.am
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noinst_PROGRAMS = Sch1
Sch1_SOURCES = Sch1.cpp
LDADD = -L$(top_builddir)/src ${EO_DIR}/src/libeo.a ${EO_DIR}/src/utils/libeoutils.a
INCLUDES = -I${EO_DIR}/src/ -I$(top_srcdir)/src

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trunk/paradiseo-moeo/tutorials/lesson2/Sch1.cpp
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
/* (c) OPAC Team, LIFL, October 2006
Contact: paradiseo-help@lists.gforge.inria.fr
*/
using namespace std;
#include <stdio.h>
/* ParadisEO-EO */
#include <eo>
#include <es.h>
/* ParadisEO-MOEO */
#include <moeoNSGA_II.h>
#include <moeoArchive.h>
// Extend eoParetoFitnessTraits
class SCH1Traits : public eoParetoFitnessTraits
{
public :
static bool maximizing(int i) { return false; } // is the i-th objective
static unsigned nObjectives() { return 2;} // number of objectives
};
// Code decision variables
typedef eoParetoFitness<SCH1Traits> SCH1Fit;
class SCH1EO : public eoReal<SCH1Fit>
{
public:
SCH1EO(): eoReal<SCH1Fit>(1)
{}
};
// evaluation of the individuals
class SCH1Eval : public eoEvalFunc<SCH1EO>
{
public:
SCH1Eval(): eoEvalFunc<SCH1EO>()
{}
void operator()(SCH1EO & _eo) {
SCH1Fit fitness;
double x = _eo[0];
fitness[0] = x*x;
fitness[1] = (x-2.0)*(x-2.0);
_eo.fitness(fitness);
}
};
int main(int argc, char* argv[]) {
unsigned POP_SIZE = 20;
unsigned MAX_GEN = 100;
double M_EPSILON = 0.01;
double P_CROSS = 0.25;
double P_MUT = 0.35;
// The fitness evaluation
SCH1Eval eval;
// choose crossover and mutation
eoQuadCloneOp<SCH1EO> xover;
eoUniformMutation<SCH1EO> mutation(M_EPSILON);
// generate initial population
eoRealVectorBounds bounds(1, 0.0, 2.0); // [0, 2]
eoRealInitBounded<SCH1EO> init(bounds);
eoPop<SCH1EO> pop(POP_SIZE, init);
// pass parameters to NSGA2
moeoNSGA_II<SCH1EO> nsga2(MAX_GEN, eval, xover, P_CROSS, mutation, P_MUT);
// run the algo
nsga2(pop);
// extract first front of the final population (this is the solution of nsga2)
moeoArchive<SCH1EO> arch;
arch.update(pop);
// printing of the final archive
cout << "Final Archive\n";
arch.sortedPrintOn(cout);
cout << endl;
return EXIT_SUCCESS;
}