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Date: Wed, 30 Jan 2019 15:44:23 +0300 (MSK)
From: Alexander Monakov <>
Subject: Re: Possible Mistype in exp.c

On Wed, 30 Jan 2019, Szabolcs Nagy wrote:
> for < 1 ulp the main trick is computing the result as x+y where x is
> exact and y is inexact but much smaller than x in magnitude. (this is
> the only way to get worst case error < 1 ulp with an fp operation that
> does a rounding and at least one of the inputs is inexact.)

As I recall this was covered in your GNU Cauldron presentation.
Can you upload the slides of that talk to the GCC wiki?

(I can help with adding your account to EditorGroup if needed
or upload the slides on your behalf if you send me the pdf)


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