Description: Don't fail test for rounding difference on i386

Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
Bug-Debian: https://bugs.debian.org/968208
Forwarded: no

--- a/pandas/tests/window/test_rolling.py
+++ b/pandas/tests/window/test_rolling.py
@@ -1,3 +1,7 @@
+import sys
+import platform
+import re
+
 from datetime import (
     datetime,
     timedelta,
@@ -1708,7 +1712,9 @@ def test_rolling_quantile_interpolation_
     if np.isnan(q1):
         assert np.isnan(q2)
     else:
-        assert q1 == q2
+        assert np.abs(q1-q2)<1e-15
+        if not (re.match('i.?86|x86',platform.uname()[4]) and sys.maxsize<2**33):
+            assert q1 == q2
 
 
 def test_invalid_quantile_value():