On Wed, Jan 21, 2009 at 10:53 AM, Gideon Simpson wrote:

====================================================================== FAIL: test_umath.TestComplexFunctions.test_against_cmath ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/local/nonsystem/simpson/lib/python2.5/site-packages/nose/ case.py", line 182, in runTest self.test(*self.arg) File "/usr/local/nonsystem/simpson/lib/python2.5/site-packages/ numpy/core/tests/test_umath.py", line 268, in test_against_cmath assert abs(a - b) < atol, "%s %s: %s; cmath: %s"%(fname,p,a,b) AssertionError: arcsinh -2j: (-1.31695789692-1.57079632679j); cmath: (1.31695789692-1.57079632679j)

---------------------------------------------------------------------- Ran 1740 tests in 9.839s

FAILED (KNOWNFAIL=1, failures=1)

How would you recommend I troubleshoot this? How seriously should I take it?

This is with a fresh Python 2.5.4 installation too.

I think it is a problem with cmath and should probably be marked as a knownfailure: http://bugs.python.org/issue1381