[Numpy-discussion] numpy.sqrt behaving differently on MacOS Lion

Ralf Gommers ralf.gommers@googlemail....
Tue Aug 2 09:07:33 CDT 2011

On Wed, Jul 27, 2011 at 10:33 PM, Ilan Schnell <ischnell@enthought.com>wrote:

> >     Please don't distribute a different numpy binary for each version of
> >     MacOS X.
> +1
> Maybe I should mention that I just finished testing all Python
> packages in EPD under 10.7, and everything (execpt numpy.sqr
> for weird complex values such as inf/nan) works fine!
> In particular building C and Fortran extensions with the new LLVM
> based gcc and importing them into Python (both 32 and 64-bit).
> There are two MacOS builds of EPD (one 32-bit and 64-bit), they
> are compiled on 10.5 using gcc 4.0.1 and then tested on 10.5, 10.6
> and 10.7.
> Good to know Ilan. It seems that the problems that so many people
experienced with scipy are now solved by the new gfortran binary available
from http://r.research.att.com/tools/. So it should be fine to just skip the
failing tests. Apple says my computer is too old for Lion, so I need a
little help here. Could you either open a ticket with the full output of
numpy.test() and assign it to me, or produce a patch?

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