This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: Fix Bessel function spurious overflows for ldbl-128 / ldbl-128ibm (bug 15285)
- From: Andreas Jaeger <aj at suse dot com>
- To: libc-alpha at sourceware dot org
- Date: Thu, 21 Mar 2013 13:07:27 +0100
- Subject: Re: Fix Bessel function spurious overflows for ldbl-128 / ldbl-128ibm (bug 15285)
- References: <Pine dot LNX dot 4 dot 64 dot 1303172047140 dot 27769 at digraph dot polyomino dot org dot uk>
On Sunday, March 17, 2013 20:49:28 Joseph S. Myers wrote:
> Where the Bessel function implementations improve the accuracy of
> their calculations by using cos of twice the input, this requires a
> cut-off to avoid internal overflow when twice the input would
> overflow. Bug 15285 is the absence of that cut-off in the ldbl-128 /
> ldbl-128ibm implementation. This patch adds the missing cut-off
> checks and adds testcases that confirm such large inputs are handled
> OK for double and IBM long double.
Thanks, this is fine,
Andreas
--
Andreas Jaeger aj@{suse.com,opensuse.org} Twitter/Identica: jaegerandi
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn,Jennifer Guild,Felix Imendörffer,HRB16746 (AG Nürnberg)
GPG fingerprint = 93A3 365E CE47 B889 DF7F FED1 389A 563C C272 A126