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Last change
on this file since 1161 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:
865 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 FramsCross(FramsStep): |
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| 8 | def __init__(self, frams_lib, commands, cross_prob, *args, **kwargs): |
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| 9 | super().__init__(frams_lib, commands, *args, **kwargs) |
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| 10 | self.cross_prob = cross_prob |
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| 11 | |
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| 12 | def call(self, population): |
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| 13 | super(FramsCross, self).call(population) |
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| 14 | for i in range(1, len(population), 2): |
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| 15 | if random.random() < self.cross_prob: |
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| 16 | geno1 = population[i - 1].genotype |
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| 17 | geno2 = population[i].genotype |
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| 18 | |
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| 19 | cross_geno1 = self.frams.crossOver(geno1, geno2) |
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| 20 | cross_geno2 = self.frams.crossOver(geno1, geno2) |
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| 21 | |
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| 22 | population[i - 1] = Individual(cross_geno1) |
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| 23 | population[i] = Individual(cross_geno2) |
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| 24 | |
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| 25 | return population |
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