From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: Possible Mistype in exp.c
Date: Wed, 30 Jan 2019 15:10:42 +0100 [thread overview]
Message-ID: <20190130141040.GG21289@port70.net> (raw)
In-Reply-To: <alpine.LNX.2.20.13.1901301537190.4193@monopod.intra.ispras.ru>
* Alexander Monakov <amonakov@ispras.ru> [2019-01-30 15:44:23 +0300]:
> 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)
please upload it on my behalf if you can:
http://port70.net/~nsz/articles/other/cauldron2018-slides.pdf
(that presentation did not go into algorithmic details though)
for others:
https://gcc.gnu.org/wiki/cauldron2018#Slides.2C_Videos_and_Notes
next prev parent reply other threads:[~2019-01-30 14:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-28 6:59 Damian McGuckin
2019-01-29 11:01 ` Szabolcs Nagy
2019-01-29 11:26 ` Damian McGuckin
2019-01-29 11:43 ` Szabolcs Nagy
2019-01-30 1:18 ` Damian McGuckin
2019-01-30 9:37 ` Szabolcs Nagy
2019-01-30 11:14 ` Damian McGuckin
2019-01-30 12:19 ` Szabolcs Nagy
2019-01-30 12:44 ` Alexander Monakov
2019-01-30 14:10 ` Szabolcs Nagy [this message]
2019-02-01 23:26 ` Morten Welinder
2019-02-02 3:39 ` Szabolcs Nagy
2019-02-03 2:05 ` Morten Welinder
2019-02-03 3:07 ` Damian McGuckin
2019-04-03 1:13 ` Floating Point Accuracy Damian McGuckin
2019-01-30 12:56 ` Possible Mistype in exp.c Damian McGuckin
2019-01-31 0:04 ` Szabolcs Nagy
2019-01-31 0:39 ` Damian McGuckin
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