Code simplification suggested by Sven Marnach.
diff --git a/Lib/random.py b/Lib/random.py
index 987cff1..36b9565 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -427,11 +427,9 @@
# lambd: rate lambd = 1/mean
# ('lambda' is a Python reserved word)
- random = self.random
- u = random()
- while u <= 1e-7:
- u = random()
- return -_log(u)/lambd
+ # we use 1-random() instead of random() to preclude the
+ # possibility of taking the log of zero.
+ return -_log(1.0 - self.random())/lambd
## -------------------- von Mises distribution --------------------