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Added randround

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SimpleArt
2020-12-11 14:04:59 -05:00
parent 03c4648a24
commit 3adef48b54
1 changed files with 7 additions and 3 deletions
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10
src/crossover/crossover_methods.py
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@ -1,5 +1,9 @@
import random
# Round to an integer near x with higher probability
# the closer it is to that integer.
randround = lambda x: int(x + random.random())
def _append_to_next_population(population_method):
"""Appends the new chromosomes to the next population.
Also modifies the input to include the mating pool.
@ -161,7 +165,7 @@ class Crossover_Methods:
value = weight*value_1 + (1-weight)*value_2
if type(value_1) == type(value_2) == int:
value = round(value + random.uniform(-0.5, 0.5))
value = randround(value)
yield value
@ -182,7 +186,7 @@ class Crossover_Methods:
value = (2-weight)*value_1 + (weight-1)*value_2
if type(value_1) == type(value_2) == int:
value = round(value + random.uniform(-0.5, 0.5))
value = randround(value)
yield value
@ -211,7 +215,7 @@ class Crossover_Methods:
value = value_1 + (value_2-value_1) * (1-(1-x)**t)**(1/t)
if type(value_1) == type(value_2) == int:
value = round(value + random.uniform(-0.5, 0.5))
value = randround(value)
yield value