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Re: [wg14/wg21 liaison] *_HAS_SUBNORM

From: Aaron Ballman <aaron_at_[hidden]>
Date: Mon, 6 Dec 2021 15:42:26 -0500
Adding Fred back to the CC list in case he's not yet signed up to the
mailing list.

On Mon, Dec 6, 2021 at 3:41 PM Jens Maurer via Liaison
<liaison_at_[hidden]> wrote:
>
> On 02/12/2021 17.18, Fred J. Tydeman via Liaison wrote:
> > Issue for C++ liason group.
> >
> > The WG14 paper:
> > http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2797.htm
> > discusses several issues with the *_HAS_SUBNORM macros.
>
> The existing text tries to give semantics to the *_HAS_SUBNORM
> preprocessor macros.
>
> The "Proposal" removes any mention of these macros and just adds
> general text about subnormals.
>
> That seems a step backwards; the values of the *_HAS_SUBNORM
> macros should continue to be related to subnormal behavior
> of the implementation.
>
> Put differently, are you suggesting to remove the *_HAS_SUBNORM
> macros from the C standard? If not, they appear to exist
> without any semantic definition given your proposal.
>
> Jens
>
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Received on 2021-12-06 14:43:20