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 220.127.116.11 that ends with "A cast may be used to remove this extra range and precision." Alexander
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