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Date: Fri, 20 Aug 2021 21:03:13 +0000
From: Joseph Myers <joseph@codesourcery.com>
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To: Stefan Kanthak <stefan.kanthak@nexgo.de>
CC: Szabolcs Nagy <szabolcs.nagy@arm.com>, <libc-help@sourceware.org>,
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Subject: Re: [PATCH/2nd version] Re: nextafter() about an order of magnitude
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On Fri, 20 Aug 2021, Stefan Kanthak wrote:

> I choose to return the argument NaN, what both POSIX and ISO C allow.

glibc follows C23 Annex F FE_SNANS_ALWAYS_SIGNAL rules for signaling NaN 
arguments.

-- 
Joseph S. Myers
joseph@codesourcery.com