[PATCH 1/7] ldbl-128ibm-compat: Provide nexttoward functions

[Tulio Magno Quites Machado Filho]

"Paul E. Murphy" <murphyp@linux.vnet.ibm.com> writes:

> From: "Gabriel F. T. Gomes" <gabriel@inconstante.eti.br>
>
> The functions in the nexttoward family are special, in the sense that
> they always have a long double argument, regardless of their suffix
> (i.e.: nexttowardf and nexttoward have a long double argument, besides
> the float and double arguments).
>
> On top of that, they are also special because nexttoward functions are
> not part of the _FloatN API, hence __nexttowardf128 do not exist.
>
> This patch adds 4 new function implementations for the new long double
> format:
>
>   __nexttoward_to_ieee128
>   __nexttowardf_to_ieee128
>   __nexttowardieee128 (as an alias to __nextafterieee128)
>
> Likewise, rename "long double" "_Float128" in shared ldbl-128
> files to ensure correct type is used irrespective of ABI
> switches.

LGTM.

Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>

-- 
Tulio Magno