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Re: trouble using gfortran
On Wed, Apr 19, 2006 at 10:44:08PM +0200, Toon Moene wrote:
> Steve Kargl wrote:
>
> >On Wed, Apr 19, 2006 at 09:40:53PM +0200, Toon Moene wrote:
>
> >>We might want to discern between "initialize with zero" (that g77
> >>already supports) and "initialize with bogus values - i.e. SNAN" (that
> >>g77 doesn't support, but is really, really useful).
>
> >SNAN doesn't help with uninitialized integers.
>
> No, but it is a nice "won't happen integer" due to its bit pattern. Of
> course, I'd rather initialize integers with something like 5a5a5a5a hex :-)
>
> >Additionally, gcc is very broken in its backend when inf and nan occur in
> >complex types. See PR 24581.
>
> My reading of Joseph Myers' comment is that the C Standard hadn't made
> up its mind at that time ...
If you read my last comment in the PR, you'll note that Annex G
of the working draft of the standard (n1124.pdf) explicitly says
that Joseph's interpretation is incorrect.
--
Steve