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eodev/eo/test/t-eobreeder.cpp
1999-09-10 12:03:51 +00:00

65 lines
1.6 KiB
C++

//-----------------------------------------------------------------------------
// t-eobreeder.cpp
//-----------------------------------------------------------------------------
#include <stdlib.h> // srand
#include <time.h> // time
#include <eo> // eoBin, eoPop, eoBreeder
//-----------------------------------------------------------------------------
typedef eoBin<float> Chrom;
//-----------------------------------------------------------------------------
void binary_value(Chrom& chrom)
{
float sum = 0;
for (unsigned i = 0; i < chrom.size(); i++)
if (chrom[i])
sum += pow(2, chrom.size() - i - 1);
chrom.fitness(sum);
}
//-----------------------------------------------------------------------------
main()
{
srand(time(NULL));
const unsigned POP_SIZE = 8, CHROM_SIZE = 4;
unsigned i;
eoUniform<Chrom::Type> uniform(false, true);
eoBinRandom<Chrom> random;
eoPop<Chrom> pop, pop2;
for (i = 0; i < POP_SIZE; i++)
{
Chrom chrom(CHROM_SIZE);
random(chrom);
binary_value(chrom);
pop.push_back(chrom);
}
eoBinBitFlip<Chrom> bitflip;
eoBinCrossover<Chrom> xover;
eoBreeder<Chrom> breeder;
breeder.add(bitflip, 1.0);
breeder.add(xover, 1.0);
pop2 = pop;
breeder(pop2);
for (i = 0; i < pop2.size(); i++)
binary_value(pop2[i]);
cout << "population: \tnew population" << endl;
for (i = 0; i < pop.size(); i++)
cout << pop[i] << " " << pop[i].fitness() << " \t"
<< pop2[i] << " " << pop2[i].fitness() << endl;
return 0;
}
//-----------------------------------------------------------------------------