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Date: Tue, 14 Jan 2020 20:59:21 +0300 (MSK)
From: Alexander Monakov <amonakov@...ras.ru>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] math: move i386 sqrtf to C
On Thu, 9 Jan 2020, Szabolcs Nagy wrote:
> c99 required cast at return, but that was considered to be
> a bug so in c11 it's no longer required: return now must
> round
This is the interpretation that GCC uses (return statements
imply removal of excess precision), but I wonder where the
standard actually says that: afaics N1570 still has the same
footnote in 6.8.6.4 that ends with "A cast may be used to
remove this extra range and precision."
Alexander
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