nojhan/eodev
Archived
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

fixing tests

Browse source
This commit is contained in:
gustavo 1999-09-20 11:48:52 +00:00
commit f3ebe8be70
6 changed files with 21 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

28
eo/src/eoLottery.h
View file

@ -38,27 +38,27 @@ template<class Chrom> class eoLottery: public eoSelect<Chrom>
partial_sum(score.begin(), score.end(), score.begin());
// generates random numbers
vector<float> random(pop.size());
vector<float> random(rint(rate * pop.size()));
generate(random.begin(), random.end(), eoUniform<float>(0,1));
sort(random.begin(), random.end(), less<float>());
// selection of chromosomes
unsigned score_index = 0; // position in score vector
unsigned random_index = 0; // position in random vector
unsigned num_chroms = (unsigned)(rate * pop.size());
do {
if(random[random_index] < score[score_index])
{
breeders.push_back(pop[score_index]);
random_index++;
}
else
if (score_index < pop.size())
score_index++;
while (breeders.size() < random.size())
{
if(random[random_index] < score[score_index])
{
breeders.push_back(pop[score_index]);
random_index++;
}
else
fill_n(back_insert_iterator<eoPop<Chrom> >(breeders),
num_chroms - breeders.size(), pop.back());
} while (breeders.size() < num_chroms);
if (score_index < pop.size())
score_index++;
else
fill_n(back_insert_iterator<eoPop<Chrom> >(breeders),
random.size() - breeders.size(), pop.back());
}
}
private: