From be5f91957f3d553a7cbbfdc43f66a3b30bb97aec Mon Sep 17 00:00:00 2001
From: Mark Dickinson <dickinsm@gmail.com>
Date: Sun, 10 Feb 2013 14:16:10 +0000
Subject: Issue #17149: Fix random.vonmisesvariate to always return results in
 [0, 2*math.pi].

---
 Lib/random.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'Lib/random.py')

diff --git a/Lib/random.py b/Lib/random.py
index 9b61208d2e..4cbe9ade43 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -449,9 +449,9 @@ class Random(_random.Random):
 
         u3 = random()
         if u3 > 0.5:
-            theta = (mu % TWOPI) + _acos(f)
+            theta = (mu + _acos(f)) % TWOPI
         else:
-            theta = (mu % TWOPI) - _acos(f)
+            theta = (mu - _acos(f)) % TWOPI
 
         return theta
 
-- 
cgit v1.2.1