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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/28472] pow(10, i) accuracy
Date: Tue, 19 Oct 2021 15:44:38 +0000	[thread overview]
Message-ID: <bug-28472-131-vhrnqpJBbR@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-28472-131@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=28472

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Last-bit rounding issues aren't bugs except for functions such as sqrt or 
fma that are fully defined by bindings to IEEE 754 operations.

I'd encourage using exp10 (in glibc for a very long time, standardized in 
C23) instead of pow with first argument 10; that probably won't improve 
last-bit accuracy, but is likely to be faster.

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  reply	other threads:[~2021-10-19 15:44 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-18 23:54 [Bug math/28472] New: " mwelinder at gmail dot com
2021-10-19 15:44 ` joseph at codesourcery dot com [this message]
2021-10-19 21:28 ` [Bug math/28472] " mwelinder at gmail dot com
2021-10-19 21:42 ` joseph at codesourcery dot com
2021-10-25  8:44 ` newbie-02 at gmx dot de
2021-11-14  5:38 ` newbie-02 at gmx dot de
2022-01-24 21:45 ` mwelinder at gmail dot com
2022-01-24 21:56 ` joseph at codesourcery dot com
2022-09-23 16:33 ` newbie-02 at gmx dot de
2023-01-09 14:43 ` newbie-02 at gmx dot de
2023-01-09 18:35 ` joseph at codesourcery dot com
2023-01-09 21:23 ` newbie-02 at gmx dot de
2023-01-09 21:36 ` joseph at codesourcery dot com
2023-01-10  0:23 ` newbie-02 at gmx dot de
2024-03-02 22:53 ` vincent-srcware at vinc17 dot net
2024-03-04 14:58 ` wdijkstr at arm dot com
2024-03-04 15:35 ` vincent-srcware at vinc17 dot net
2024-03-04 16:07 ` wdijkstr at arm dot com
2024-03-04 17:09 ` vincent-srcware at vinc17 dot net
2024-03-04 18:27 ` wdijkstr at arm dot com
2024-03-04 19:23 ` vincent-srcware at vinc17 dot net
2024-03-18 21:09 ` newbie-02 at gmx dot de
2024-03-18 22:17 ` wdijkstr at arm dot com
2024-03-20  9:02 ` newbie-02 at gmx dot de
2024-03-20  9:56 ` vincent-srcware at vinc17 dot net
2024-03-20 13:54 ` wdijkstr at arm dot com

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