Date: Wed, 30 Jan 2019 15:10:42 +0100 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: Re: Possible Mistype in exp.c * Alexander Monakov <amonakov@...ras.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
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