[PATCH v4] Add nextup and nextdown math functions

[Joseph Myers]

On Tue, 14 Jun 2016, Rical Jasan wrote:

> I wonder how Joseph feels about @code{NaN} vs. NaN, given
> https://sourceware.org/ml/libc-alpha/2016-06/msg00208.html, since you're
> referring to it as an argument and return value here.

It should not be @code{NaN}, since there is no such token in C unless the 
user defines such an identifier themselves.

-- 
Joseph S. Myers
joseph@codesourcery.com