From 4c96035f3361d50a6bf40557f04d45244af3dec9 Mon Sep 17 00:00:00 2001 From: Mark Dickinson Date: Sun, 27 Dec 2009 16:16:02 +0000 Subject: [PATCH] Use ldexp(q, exp) instead of q*2.**exp in true division test, to avoid bogus failures on platforms with broken pow (e.g., Ubuntu/ia64). --- Lib/test/test_long_future.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Lib/test/test_long_future.py b/Lib/test/test_long_future.py index 25462bfc30a..f863d527ae7 100644 --- a/Lib/test/test_long_future.py +++ b/Lib/test/test_long_future.py @@ -5,6 +5,7 @@ from __future__ import division import sys import random +import math import unittest from test.test_support import run_unittest @@ -46,7 +47,7 @@ def truediv(a, b): if 2*r > b or 2*r == b and q % 2 == 1: q += 1 - result = float(q) * 2.**exp + result = math.ldexp(float(q), exp) return -result if negative else result class TrueDivisionTests(unittest.TestCase):