[Numpy-discussion] long double woes on win32

Charles R Harris charlesr.harris@gmail....
Sat Aug 16 12:39:11 CDT 2008


On Sat, Aug 16, 2008 at 11:24 AM, David Cournapeau <cournape@gmail.com>wrote:

> On Sat, Aug 16, 2008 at 12:15 PM, Charles R Harris
> <charlesr.harris@gmail.com> wrote:
> >
> > I was just going to look at that; it's nice to have the ticket mailing
> list
> > working again. Is there an easy way to force the SIZEOF_LONG_DOUBLE to 8
> so
> > I can test this on linux?
>
> Changing this line in numpy¥core¥setup.py:
>
> -                  ('SIZEOF_LONG_DOUBLE', 'long double'),
> +                  ('SIZEOF_LONG_DOUBLE', 'double'),
>
> is what I did to get the result on windows. But it only "works"
> because I know the C runtime really has long double of 8 bytes. On
> platforms where it is not true, it is likely to break things.
>

Hmm. ISTM that numpy should be set up so that the change works on all
platforms. However, making it so might be something else.

Chuck
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