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[yul-phaser] GenerationalElitistWithExclusivePools: Refactor runNextRound() for less nesting and more readability

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This commit is contained in:
Kamil Śliwak 2020-03-11 02:29:20 +01:00
parent 8c86a4983d
commit 879f6e17e9
1 changed files with 18 additions and 18 deletions
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36
tools/yulPhaser/GeneticAlgorithms.cpp
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@ -43,24 +43,24 @@ Population RandomAlgorithm::runNextRound(Population _population)
Population GenerationalElitistWithExclusivePools::runNextRound(Population _population) Population GenerationalElitistWithExclusivePools::runNextRound(Population _population)
{ {
double elitePoolSize = 1.0 - (m_options.mutationPoolSize + m_options.crossoverPoolSize); double elitePoolSize = 1.0 - (m_options.mutationPoolSize + m_options.crossoverPoolSize);
RangeSelection elite(0.0, elitePoolSize);
RangeSelection elitePool(0.0, elitePoolSize);
RandomSelection mutationPoolFromElite(m_options.mutationPoolSize / elitePoolSize);
RandomPairSelection crossoverPoolFromElite(m_options.crossoverPoolSize / elitePoolSize);
std::function<Mutation> mutationOperator = alternativeMutations(
m_options.randomisationChance,
geneRandomisation(m_options.percentGenesToRandomise),
alternativeMutations(
m_options.deletionVsAdditionChance,
geneDeletion(m_options.percentGenesToAddOrDelete),
geneAddition(m_options.percentGenesToAddOrDelete)
)
);
std::function<Crossover> crossoverOperator = randomPointCrossover();
return return
_population.select(elite) + _population.select(elitePool) +
_population.select(elite).mutate( _population.select(elitePool).mutate(mutationPoolFromElite, mutationOperator) +
RandomSelection(m_options.mutationPoolSize / elitePoolSize), _population.select(elitePool).crossover(crossoverPoolFromElite, crossoverOperator);
alternativeMutations(
m_options.randomisationChance,
geneRandomisation(m_options.percentGenesToRandomise),
alternativeMutations(
m_options.deletionVsAdditionChance,
geneDeletion(m_options.percentGenesToAddOrDelete),
geneAddition(m_options.percentGenesToAddOrDelete)
)
)
) +
_population.select(elite).crossover(
RandomPairSelection(m_options.crossoverPoolSize / elitePoolSize),
randomPointCrossover()
);
} }