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Message-ID: <67D1C70B-9701-4155-9A74-7F1E16F0BD37@trust-in-soft.com>
Date: Mon, 6 Jan 2020 18:32:24 +0000
From: Pascal Cuoq <cuoq@...st-in-soft.com>
To: "musl@...ts.openwall.com" <musl@...ts.openwall.com>
Subject: Re: [PATCH] math: move i386 sqrtf to C
> On 6 Jan 2020, at 12:44, Alexander Monakov <amonakov@...ras.ru> wrote:
>
> Apparently that double rounding yields the correct result here was
> suggested by Stephen Canon in https://stackoverflow.com/a/9689746/4755075
> Should his contribution be mentioned somehow in the source code?
You should rather credit Figueroa, for instance in the article “when is double rounding innocuous?”. This would be more of a primary source, and Figueroa wrote demonstrations.
Posting from phone, I apologize if I got something wrong. I'm pretty confident Stephen was implicitly citing Figueroa's results though.
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