[Numpy-discussion] Eigenvalues hangs

Sasha ndarray at mac.com
Mon Jan 23 12:26:04 EST 2006


I think this issue was altimately resolved as a lapack rather than gcc
problem and -ffloat-store is not the right work-around.  I don't have
the right references right now, so unless someone steps in I will
follow up when I get home this evening.

-- sasha

On 1/23/06, Sébastien Boisgérault <boisgera at isia.cma.fr> wrote:
>
> Hi all,
>
> Robert Kern suggested to transfer a discussion that originated
> on comp.lang.python to this mailing-list.
>
> My problem is that on my platform the numpy 'eigenvalues' method
> hangs forever.
>
> Some platform info:
>     * numpy 0.9.4 (from the tar.gz)
>     * Linux Mandriva (gcc 4.0.1).
>     * no optimized BLAS version used.
>
> Greg Landrum pointed out that it may be a gcc 4.0 related problem and
> proposed a workaround -- to add the option '-ffloat-store' to CFLAGS.
>
> Could anybody tell me how I should modify the numpy sources to test
> this workaround ?
>
> Regards,
>
> SB
>
>
>
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