bpo-41421: Algebraic simplification for random.paretovariate() (GH-21695)

2020-08-01 01:18:26 -07:00
parent cadda52d97
commit 5c3270939c
2 changed files with 4 additions and 1 deletions
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -749,7 +749,7 @@ class Random(_random.Random):
        # Jain, pg. 495

        u = 1.0 - self.random()
-        return 1.0 / u ** (1.0 / alpha)
+        return u ** (-1.0 / alpha)

    def weibullvariate(self, alpha, beta):
        """Weibull distribution.