mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <tools/yulPhaser/GeneticAlgorithms.h>
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#include <tools/yulPhaser/Mutations.h>
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#include <tools/yulPhaser/Selections.h>
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#include <tools/yulPhaser/PairSelections.h>
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using namespace std;
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using namespace solidity::phaser;
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Population RandomAlgorithm::runNextRound(Population _population)
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{
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RangeSelection elite(0.0, m_options.elitePoolSize);
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Population elitePopulation = _population.select(elite);
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size_t replacementCount = _population.individuals().size() - elitePopulation.individuals().size();
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return
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move(elitePopulation) +
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Population::makeRandom(
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_population.fitnessMetric(),
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replacementCount,
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m_options.minChromosomeLength,
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m_options.maxChromosomeLength
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);
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}
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Population GenerationalElitistWithExclusivePools::runNextRound(Population _population)
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{
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double elitePoolSize = 1.0 - (m_options.mutationPoolSize + m_options.crossoverPoolSize);
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RangeSelection elite(0.0, elitePoolSize);
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return
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_population.select(elite) +
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_population.select(elite).mutate(
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RandomSelection(m_options.mutationPoolSize / elitePoolSize),
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alternativeMutations(
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m_options.randomisationChance,
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geneRandomisation(m_options.percentGenesToRandomise),
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alternativeMutations(
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m_options.deletionVsAdditionChance,
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geneDeletion(m_options.percentGenesToAddOrDelete),
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geneAddition(m_options.percentGenesToAddOrDelete)
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)
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)
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) +
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_population.select(elite).crossover(
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RandomPairSelection(m_options.crossoverPoolSize / elitePoolSize),
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randomPointCrossover()
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);
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}
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