diff options
| author |   Justin Lecher <jlec@gentoo.org> | 2013-02-24 16:33:39 +0000 |
|---|---|---|
| committer | Justin Lecher <jlec@gentoo.org> | 2013-02-24 16:33:39 +0000 |
| commit | ea69fd271694426cffaec3090788198d6374bc86 (patch) | |
| tree | 2be68dded4348caa7fed835d332fbd4fea0719ba /dev-python/numpy/files | |
| parent | Drop versionator eclass as it's not needed for a long time, also fixes bug #4... (diff) | |
| download | gentoo-2-ea69fd271694426cffaec3090788198d6374bc86.tar.gz gentoo-2-ea69fd271694426cffaec3090788198d6374bc86.tar.bz2 gentoo-2-ea69fd271694426cffaec3090788198d6374bc86.zip | |
dev-python/numpy: Backport fix for test failure (test_pareto) on 32bit systems, #447502
(Portage version: 2.2.0_alpha163/cvs/Linux x86_64, signed Manifest commit with key 8009D6F070EB7916)
Diffstat (limited to 'dev-python/numpy/files')
| -rw-r--r-- | dev-python/numpy/files/numpy-1.6.2-test-pareto.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/dev-python/numpy/files/numpy-1.6.2-test-pareto.patch b/dev-python/numpy/files/numpy-1.6.2-test-pareto.patch new file mode 100644 index 000000000000..7d67b49071c6 --- /dev/null +++ b/dev-python/numpy/files/numpy-1.6.2-test-pareto.patch @@ -0,0 +1,45 @@ +From d01354e52d5c272522c09ffd733887500e4846d7 Mon Sep 17 00:00:00 2001 +From: "Nathaniel J. Smith" <njs@pobox.com> +Date: Fri, 7 Sep 2012 10:49:45 +0100 +Subject: [PATCH] FIX: loosen numerical tolerance in test_pareto() + +The problem was that in 32bit Ubuntu 12.04, one gets the following: + +> +/home/njs/numpy/.tox/py27/local/lib/python2.7/site-packages/numpy/random/tests/test_random.py(363)test_pareto() +-> np.testing.assert_array_almost_equal(actual, desired, decimal=15) +(Pdb) actual[1, 0] +52828779.702948704 +(Pdb) desired[1, 0] +52828779.702948518 + +and the test was comparing the numbers to 1e-14, which obviously +failed. + +Fixes #424. +--- + numpy/random/tests/test_random.py | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/numpy/random/tests/test_random.py b/numpy/random/tests/test_random.py +index 7d9163e..ee40cce 100644 +--- a/numpy/random/tests/test_random.py ++++ b/numpy/random/tests/test_random.py +@@ -310,7 +310,13 @@ def test_pareto(self): + desired = np.array([[ 2.46852460439034849e+03, 1.41286880810518346e+03], + [ 5.28287797029485181e+07, 6.57720981047328785e+07], + [ 1.40840323350391515e+02, 1.98390255135251704e+05]]) +- np.testing.assert_array_almost_equal(actual, desired, decimal=14) ++ # For some reason on 32-bit x86 Ubuntu 12.10 the [1, 0] entry in this ++ # matrix differs by 24 nulps. Discussion: ++ # http://mail.scipy.org/pipermail/numpy-discussion/2012-September/063801.html ++ # Consensus is that this is probably some gcc quirk that affects ++ # rounding but not in any important way, so we just use a looser ++ # tolerance on this test: ++ np.testing.assert_array_almost_equal_nulp(actual, desired, nulp=30) + + def test_poisson(self): + np.random.seed(self.seed) +-- +1.7.10 + |