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Last change
on this file since 1167 was
1139,
checked in by Maciej Komosinski, 4 years ago
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Added --debug mode that prints names of steps; final multiple evaluation now evaluates genotypes in hall of fame instead of the last population
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File size:
766 bytes
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| 1 | import random |
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| 2 | |
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| 3 | from evolalg.base.frams_step import FramsStep |
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| 4 | from evolalg.base.individual import Individual |
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| 5 | |
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| 6 | |
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| 7 | class FramsMutation(FramsStep): |
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| 8 | def __init__(self, frams_lib, commands, mutate_prob, *args, **kwargs): |
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| 9 | super().__init__(frams_lib, commands, *args, **kwargs) |
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| 10 | self.mutate_prob = mutate_prob |
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| 11 | |
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| 12 | def call(self, population): |
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| 13 | super(FramsMutation, self).call(population) |
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| 14 | idx = [] |
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| 15 | for i in range(len(population)): |
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| 16 | if random.random() < self.mutate_prob: |
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| 17 | idx.append(i) |
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| 18 | mutated = [population[_].genotype for _ in idx] |
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| 19 | mutated = self.frams.mutate([_ for _ in mutated]) |
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| 20 | |
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| 21 | for i, m in zip(idx, mutated): |
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| 22 | population[i] = Individual(m) |
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| 23 | |
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| 24 | return population |
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