void main_function()
{
const unsigned SIZE = 8;
unsigned i, j;
eoBooleanGenerator gen;
Chrom chrom(SIZE), chrom2;
chrom.fitness(binary_value(chrom)); chrom2.fitness(binary_value(chrom2));
std::cout << "chrom: " << chrom << std::endl;
chrom[0] = chrom[SIZE - 1] = true; chrom.fitness(binary_value(chrom));
std::cout << "chrom: " << chrom << std::endl;
chrom[0] = chrom[SIZE - 1] = false; chrom.fitness(binary_value(chrom));
std::cout << "chrom: " << chrom << std::endl;
chrom[0] = chrom[SIZE - 1] = true; chrom.fitness(binary_value(chrom));
std::cout << "chrom.className() = " << chrom.className() << std::endl;
std::cout << "chrom: " << chrom << std::endl
<< "chrom2: " << chrom2 << std::endl;
std::ostringstream os;
os << chrom;
std::istringstream is(os.str());
is >> chrom2; chrom.fitness(binary_value(chrom2));
std::cout << "\nTesting reading, writing\n";
std::cout << "chrom: " << chrom << "\nchrom2: " << chrom2 << '\n';
std::fill(chrom.begin(), chrom.end(), false);
std::cout << "--------------------------------------------------"
<< std::endl << "eoMonOp's aplied to .......... " << chrom << std::endl;
eoInitFixedLength<Chrom>
random(chrom.size(), gen);
random(chrom); chrom.fitness(binary_value(chrom));
std::cout << "after eoBinRandom ............ " << chrom << std::endl;
eoOneBitFlip<Chrom> bitflip;
bitflip(chrom); chrom.fitness(binary_value(chrom));
std::cout << "after eoBitFlip .............. " << chrom << std::endl;
eoBitMutation<Chrom> mutation(0.5);
mutation(chrom); chrom.fitness(binary_value(chrom));
std::cout << "after eoBinMutation(0.5) ..... " << chrom << std::endl;
eoBitInversion<Chrom> inversion;
inversion(chrom); chrom.fitness(binary_value(chrom));
std::cout << "after eoBinInversion ......... " << chrom << std::endl;
eoBitNext<Chrom> next;
next(chrom); chrom.fitness(binary_value(chrom));
std::cout << "after eoBinNext .............. " << chrom << std::endl;
eoBitPrev<Chrom> prev;
prev(chrom); chrom.fitness(binary_value(chrom));
std::cout << "after eoBinPrev .............. " << chrom << std::endl;
std::fill(chrom.begin(), chrom.end(), false); chrom.fitness(binary_value(chrom));
std::fill(chrom2.begin(), chrom2.end(), true); chrom2.fitness(binary_value(chrom2));
std::cout << "--------------------------------------------------"
<< std::endl << "eoBinOp's aplied to ... "
<< chrom << " " << chrom2 << std::endl;
eo1PtBitXover<Chrom> xover;
std::fill(chrom.begin(), chrom.end(), false);
std::fill(chrom2.begin(), chrom2.end(), true);
xover(chrom, chrom2);
chrom.fitness(binary_value(chrom)); chrom2.fitness(binary_value(chrom2));
std::cout << "eoBinCrossover ........ " << chrom << " " << chrom2 << std::endl;
for (i = 1; i < SIZE; i++)
{
eoNPtsBitXover<Chrom> nxover(i);
std::fill(chrom.begin(), chrom.end(), false);
std::fill(chrom2.begin(), chrom2.end(), true);
nxover(chrom, chrom2);
chrom.fitness(binary_value(chrom)); chrom2.fitness(binary_value(chrom2));
std::cout << "eoBinNxOver(" << i << ") ........ "
<< chrom << " " << chrom2 << std::endl;
}
for (i = 1; i < SIZE / 2; i++)
for (j = 1; j < SIZE / 2; j++)
{
eoBitGxOver<Chrom> gxover(i, j);
std::fill(chrom.begin(), chrom.end(), false);
std::fill(chrom2.begin(), chrom2.end(), true);
gxover(chrom, chrom2);
chrom.fitness(binary_value(chrom)); chrom2.fitness(binary_value(chrom2));
std::cout << "eoBinGxOver(" << i << ", " << j << ") ..... "
<< chrom << " " << chrom2 << std::endl;
}
// test SGA algorithm
eoGenContinue<Chrom> continuator1(50);
eoFitContinue<Chrom> continuator2(65535.f);
eoCombinedContinue<Chrom> continuator(continuator1, continuator2);
eoCheckPoint<Chrom> checkpoint(continuator);
eoStdoutMonitor monitor;
checkpoint.add(monitor);
eoSecondMomentStats<Chrom> stats;
monitor.add(stats);
checkpoint.add(stats);
eoProportionalSelect<Chrom> select;
eoEvalFuncPtr<Chrom> eval(binary_value);
eoSGA<Chrom> sga(select, xover, 0.8f, bitflip, 0.1f, eval, checkpoint);
eoInitFixedLength<Chrom> init(16, gen);
eoPop<Chrom> pop(100, init);
apply<Chrom>(eval, pop);
sga(pop);
pop.sort();
std::cout << "Population " << pop << std::endl;
std::cout << "\nBest: " << pop[0].fitness() << '\n';
/*
Commented this out, waiting for a definite decision what to do with the mOp's
// Check multiOps
eoMultiMonOp<Chrom> mOp( &next );
mOp.adOp( &bitflip );
std::cout << "before multiMonOp............ " << chrom << std::endl;
mOp( chrom );
std::cout << "after multiMonOp .............. " << chrom << std::endl;
eoBinGxOver<Chrom> gxover(2, 4);
eoMultiBinOp<Chrom> mbOp( &gxover );
mOp.adOp( &bitflip );
std::cout << "before multiBinOp............ " << chrom << " " << chrom2 << std::endl;
mbOp( chrom, chrom2 );
std::cout << "after multiBinOp .............. " << chrom << " " << chrom2 <<std::endl;
*/
}
int main()
{
const unsigned POP_SIZE = 10, CHROM_SIZE = 12;
unsigned i;
eoBooleanGenerator gen;
// the populations:
eoPop<Chrom> pop;
// Evaluation
RoyalRoad<Chrom> rr( 8 );
eoEvalFuncCounter<Chrom> eval( rr );
eoInitVirus<float> random(CHROM_SIZE, gen);
for (i = 0; i < POP_SIZE; ++i) {
Chrom chrom;
random(chrom);
eval(chrom);
pop.push_back(chrom);
}
std::cout << "population:" << std::endl;
for (i = 0; i < pop.size(); ++i)
std::cout << "\t" << pop[i] << " " << pop[i].fitness() << std::endl;
// selection
eoStochTournamentSelect<Chrom> lottery(0.9 );
// breeder
eoOneBitFlip<Chrom> vm;
eoUBitXover<Chrom> xover;
eoProportionalOp<Chrom> propSel;
eoGeneralBreeder<Chrom> breeder( lottery, propSel );
propSel.add(vm, 0.2);
propSel.add(xover, 0.8);
// Replace a single one
eoCommaReplacement<Chrom> replace;
// Terminators
eoGenContinue<Chrom> continuator1(10);
eoFitContinue<Chrom> continuator2(CHROM_SIZE);
eoCombinedContinue<Chrom> continuator(continuator1, continuator2);
eoCheckPoint<Chrom> checkpoint(continuator);
eoStdoutMonitor monitor;
checkpoint.add(monitor);
eoSecondMomentStats<Chrom> stats;
eoPopStat<Chrom> dumper( 10 );
monitor.add(stats);
checkpoint.add(dumper);
checkpoint.add(stats);
// GA generation
eoEasyEA<Chrom> ea(checkpoint, eval, breeder, replace );
// evolution
try
{
ea(pop);
}
catch (std::exception& e)
{
std::cout << "exception: " << e.what() << std::endl;;
exit(EXIT_FAILURE);
}
std::cout << "pop" << std::endl;
for (i = 0; i < pop.size(); ++i)
std::cout << "\t" << pop[i] << " " << pop[i].fitness() << std::endl;
std::cout << "\n --> Number of Evaluations = " << eval.getValue() << std::endl;
return 0;
}
