Date: Mon, 05 Sep 2022 16:39:02 +0200 From: Paul Zimmermann <Paul.Zimmermann@...ia.fr> To: Szabolcs Nagy <nsz@...t70.net> Cc: dalias@...c.org, musl@...ts.openwall.com Subject: Re: Re: integration of CORE-MATH routines into Musl? Dear Szabolcs, > when i worked on exp and log i noticed that for single prec it is > easy to do correct rounding with only minor overhead, but it required > either a bit bigger lookup table or a bit bigger polynomial vs going > for < 1 ulp error only. please have a look at https://gitlab.inria.fr/core-math/core-math/-/blob/master/src/binary32/exp/expf.c: no big lookup table, degree 5 only. Paul
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