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Re: Improve clog, clog10 handling of values with real or imaginarypart slightly above 1 (bug 13629)
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Allan McRae <allan at archlinux dot org>
- Cc: <libc-alpha at sourceware dot org>
- Date: Sat, 4 Aug 2012 16:08:42 +0000
- Subject: Re: Improve clog, clog10 handling of values with real or imaginarypart slightly above 1 (bug 13629)
- References: <Pine.LNX.4.64.1207302307130.13404@digraph.polyomino.org.uk><501C5B11.8050304@archlinux.org>
On Sat, 4 Aug 2012, Allan McRae wrote:
> I have not formally checked, but I assume this patch is the reason I
> started getting these errors on i686:
As log1pl uses x87 logarithm instructions, it's quite plausible that the
exact results may vary between x86 implementations and so require more
than one person to update ulps.
--
Joseph S. Myers
joseph@codesourcery.com