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Cleaner random functions used.

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SimpleArt
2020-11-20 19:58:25 -05:00
parent 73461f7915
commit 470b33aa31
3 changed files with 9 additions and 9 deletions
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10
src/mutation/mutation_methods.py
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@ -37,7 +37,7 @@ class Mutation_Methods:
def random_selection(ga):
"""Selects random chromosomes."""
index = random.randint(0, len(ga.population)-1)
index = random.randrange(len(ga.population))
ga.population[index] = ga.mutation_individual_impl(ga, ga.population[index])
@ -45,7 +45,7 @@ class Mutation_Methods:
def random_selection_then_cross(ga):
"""Selects random chromosomes and self-crosses with parent."""
index = random.randint(0, len(ga.population)-1)
index = random.randrange(len(ga.population))
chromosome = ga.population[index]
ga.population[index] = ga.crossover_individual_impl(ga, chromosome, ga.mutation_individual_impl(ga, chromosome))
@ -56,7 +56,7 @@ class Mutation_Methods:
@loop_mutations
def individual_genes(ga, chromosome):
"""Mutates a random gene in the chromosome."""
index = random.randint(0, len(chromosome)-1)
index = random.randrange(len(chromosome))
# Using the chromosome_impl
if ga.chromosome_impl is not None:
@ -79,7 +79,7 @@ class Mutation_Methods:
def swap_genes(ga, chromosome):
"""Swaps two random genes in the chromosome."""
index_one = random.randint(0, len(chromosome)-1)
index_two = random.randint(0, len(chromosome)-1)
index_one = random.randrange(len(chromosome))
index_two = random.randrange(len(chromosome))
chromosome[index_one], chromosome[index_two] = chromosome[index_two], chromosome[index_one]