[SciPy-dev] Updated OS X build instructions -- test failures.

[Pearu Peterson]

On Fri, 6 Jan 2006, Andrew Jaffe wrote:

> Hi All-
>
> I've found the following test(10) errors under OS X (Bob Ippolito's
> Python 2.4.1). Test(1) succeeds. Should I be worried? Actually, it's
> gotten worse since version 1834: the mask failure is new.

I'd say things a better as there are more unittests;), the mask tests are 
new.

> In [1]: import numpy
>
> In [2]: numpy.__version__
> Out[2]: '0.9.3.1837'
> ======================================================================
> ERROR: check_singleton (numpy.lib.getlimits.test_getlimits.test_longdouble)
> ----------------------------------------------------------------------
>     ftype = finfo(longdouble)
>   File
> "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/numpy/lib/getlimits.py",
> line 47, in __new__
>     obj = object.__new__(cls)._init(dtype)
>   File
> "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/numpy/lib/getlimits.py",
> line 73, in _init
>     "numpy longfloat precision floating "\
>   File
> "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/numpy/lib/machar.py",
> line 128, in __init__
>     raise RuntimeError, "could not determine machine tolerance " \
> RuntimeError: could not determine machine tolerance for 'negep'

>From the comment in the machar.py source it seems to be a gcc 4.0 issue 
(PPC). What compiler are you using? Could you resend the error report 
after updating numpy from svn? Or better file a ticket to

http://projects.scipy.org/scipy/numpy

Pearu