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[yul-phaser] Population: Add symmetricCrossoverWithRemainder()

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This commit is contained in:
Kamil Śliwak
2020-04-06 19:06:08 +02:00
parent 59011fcde6
commit ef8d0888af
3 changed files with 90 additions and 0 deletions
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tools/yulPhaser/Population.cpp
+31
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@@ -117,6 +117,37 @@ Population Population::crossover(PairSelection const& _selection, function<Cross
return Population(m_fitnessMetric, crossedIndividuals);
}
tuple<Population, Population> Population::symmetricCrossoverWithRemainder(
PairSelection const& _selection,
function<SymmetricCrossover> _symmetricCrossover
) const
{
vector<int> indexSelected(m_individuals.size(), false);
vector<Individual> crossedIndividuals;
for (auto const& [i, j]: _selection.materialise(m_individuals.size()))
{
auto children = _symmetricCrossover(
m_individuals[i].chromosome,
m_individuals[j].chromosome
);
crossedIndividuals.emplace_back(move(get<0>(children)), *m_fitnessMetric);
crossedIndividuals.emplace_back(move(get<1>(children)), *m_fitnessMetric);
indexSelected[i] = true;
indexSelected[j] = true;
}
vector<Individual> remainder;
for (size_t i = 0; i < indexSelected.size(); ++i)
if (!indexSelected[i])
remainder.emplace_back(m_individuals[i]);
return {
Population(m_fitnessMetric, crossedIndividuals),
Population(m_fitnessMetric, remainder),
};
}
namespace solidity::phaser
{