From 62764566e8892233d0408368d6760bd710b1c504 Mon Sep 17 00:00:00 2001 From: Mark Dickinson Date: Tue, 15 Jul 2008 21:55:23 +0000 Subject: Fix float.from_hex tests. It appears that Linux/ia64 doesn't like computing 2.0**-1074 accurately. Using ldexp(1.0, -1074) should be safer. --- Lib/test/test_float.py | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py index 254dd37..3f4998d 100644 --- a/Lib/test/test_float.py +++ b/Lib/test/test_float.py @@ -362,10 +362,10 @@ class HexFloatTestCase(unittest.TestCase): self.fail('%r not identical to %r' % (x, y)) def test_ends(self): - self.identical(self.MIN, 2.**-1022) - self.identical(self.TINY, 2.**-1074) - self.identical(self.EPS, 2.**-52) - self.identical(self.MAX, 2.*(2.**1023 - 2.**970)) + self.identical(self.MIN, ldexp(1.0, -1022)) + self.identical(self.TINY, ldexp(1.0, -1074)) + self.identical(self.EPS, ldexp(1.0, -52)) + self.identical(self.MAX, 2.*(ldexp(1.0, 1023) - ldexp(1.0, 970))) def test_invalid_inputs(self): invalid_inputs = [ -- cgit v0.12