diff options
Diffstat (limited to 'Lib/test/test_math.py')
| -rw-r--r-- | Lib/test/test_math.py | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py index 869849ea39..da687f0b47 100644 --- a/Lib/test/test_math.py +++ b/Lib/test/test_math.py @@ -987,17 +987,16 @@ class MathTests(unittest.TestCase): if math.isnan(expected) and math.isnan(got): continue if not math.isnan(expected) and not math.isnan(got): - # we use different closeness criteria for - # different functions. - if fn == 'gamma': - accuracy_failure = ulps_check(expected, got, 20) - elif fn == 'lgamma': + if fn == 'lgamma': + # we use a weaker accuracy test for lgamma; + # lgamma only achieves an absolute error of + # a few multiples of the machine accuracy, in + # general. accuracy_failure = acc_check(expected, got, rel_err = 5e-15, abs_err = 5e-15) else: - raise ValueError("don't know how to check accuracy " - "for this function") + accuracy_failure = ulps_check(expected, got, 20) if accuracy_failure is None: continue |