Fixed edge case for adapt_population

2021-01-23 20:32:05 -05:00
parent d0ded682b4
commit 14a158aa0b
1 changed files with 2 additions and 1 deletions
--- a/src/EasyGA.py
+++ b/src/EasyGA.py
@ -211,7 +211,8 @@ class GA(Attributes):

        # Replace worst chromosomes with new chromosomes, except for the previous best chromosome
        min_len = min(len(self.population)-1, len(self.population.next_population))
-        self.population[-min_len:] = self.population.next_population[:min_len]
+        if min_len > 0:
+            self.population[-min_len:] = self.population.next_population[:min_len]
        self.population.next_population = []
        self.population.mating_pool = []