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Update Crossover.py

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This commit is contained in:
SimpleArt
2021-01-01 11:23:20 -05:00
committed by GitHub
parent d122344a11
commit 423c9884a8
1 changed files with 5 additions and 5 deletions
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10
src/crossover/Crossover.py
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@ -61,7 +61,7 @@ class Population:
) )
def random(ga): def random_mate(ga):
"""Select random pairs from the mating pool. """Select random pairs from the mating pool.
Every parent is paired with a random parent. Every parent is paired with a random parent.
""" """
@ -100,9 +100,9 @@ class Individual:
@_check_weight @_check_weight
@_gene_by_gene @_gene_by_gene
def uniform(ga, value_1, value_2, *, weight = 0.5): def uniform(ga, *gene_values, *, weight = 0.5):
"""Cross two parents by swapping all genes randomly.""" """Cross two parents by swapping all genes randomly."""
return random.choices(gene_pair, cum_weights = [weight, 1])[0] return random.choices(gene_values, cum_weights = [weight, 1])[0]
class Arithmetic: class Arithmetic:
@ -136,7 +136,7 @@ class Individual:
@_check_weight @_check_weight
@_gene_by_gene @_gene_by_gene
def random(ga, value_1, value_2, *, weight = 0.5): def random_value(ga, value_1, value_2, *, weight = 0.5):
"""Cross two parents by taking a random integer or float value between each of the genes.""" """Cross two parents by taking a random integer or float value between each of the genes."""
value = value_1 + ga.weighted_random(weight) * (value_2-value_1) value = value_1 + ga.weighted_random(weight) * (value_2-value_1)
@ -158,7 +158,7 @@ class Individual:
# Too small to cross # Too small to cross
if len(parent_1) < 2: if len(parent_1) < 2:
return parent_1.gene_list raise ValueError("Parent lengths must be at least 2.")
# Unequal parent lengths # Unequal parent lengths
if len(parent_1) != len(parent_2): if len(parent_1) != len(parent_2):