From: Richard Stallman <rms@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: (elisp)Numbers
Date: Wed, 22 Oct 2003 05:25:37 -0400 [thread overview]
Message-ID: <E1ACFFJ-0004gJ-6Y@fencepost.gnu.org> (raw)
In-Reply-To: <200310210229.h9L2TGl12085@raven.dms.auburn.edu> (message from Luc Teirlinck on Mon, 20 Oct 2003 21:29:16 -0500 (CDT))
2. In (elisp)Math Functions, it is said that asin, acos, log, log10
and sqrt all return NaN values for out-of-range arguments, but, on
my machine, only `sqrt' does. The others throw an error, see the
IELM run below.
I get the same results. I figured out why. I'm using an x86. Facos
calls acos, but in Fsqrt the call to sqrt gets open-coded using the
fsqrt instruction. fsqrt doesn't set errno as it is expected to.
Perhaps that is a GCC bug.
I have GCC 2.95.4, which is rather old. Can anyone else try this
with the latest GCC, so we can see if the bug still exists?
next prev parent reply other threads:[~2003-10-22 9:25 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-21 2:29 (elisp)Numbers Luc Teirlinck
2003-10-21 5:38 ` (elisp)Numbers Eli Zaretskii
2003-10-22 9:26 ` (elisp)Numbers Richard Stallman
2003-10-22 15:51 ` (elisp)Numbers Eli Zaretskii
2003-10-22 9:25 ` Richard Stallman [this message]
2003-10-22 11:36 ` (elisp)Numbers Andreas Schwab
2003-10-22 15:42 ` (elisp)Numbers Eli Zaretskii
2003-10-23 18:38 ` (elisp)Numbers Richard Stallman
2003-10-24 8:43 ` (elisp)Numbers Andreas Schwab
2003-10-24 13:50 ` (elisp)Numbers Eli Zaretskii
2003-10-24 22:15 ` (elisp)Numbers Eli Zaretskii
2003-10-25 22:26 ` (elisp)Numbers Richard Stallman
2003-10-26 6:04 ` (elisp)Numbers Eli Zaretskii
2003-10-27 7:02 ` (elisp)Numbers Richard Stallman
2003-10-27 19:56 ` (elisp)Numbers Eli Zaretskii
2003-10-27 21:46 ` (elisp)Numbers Andreas Schwab
2003-10-28 5:48 ` (elisp)Numbers Eli Zaretskii
2003-10-28 6:40 ` (elisp)Numbers Lars Brinkhoff
2003-10-28 20:03 ` (elisp)Numbers Eli Zaretskii
2003-10-28 20:40 ` (elisp)Numbers Richard Stallman
2003-10-24 13:38 ` (elisp)Numbers Eli Zaretskii
2003-10-24 22:04 ` (elisp)Numbers Eli Zaretskii
-- strict thread matches above, loose matches on Subject: below --
2003-10-04 15:36 (elisp)Numbers Luc Teirlinck
2003-10-07 19:57 ` (elisp)Numbers Eli Zaretskii
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