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Re: [PATCH] Update sparc ULPs.
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: David Miller <davem at davemloft dot net>
- Cc: <libc-alpha at sourceware dot org>
- Date: Sat, 28 Jul 2012 17:24:12 +0000
- Subject: Re: [PATCH] Update sparc ULPs.
- References: <20120727.212345.607263830049997175.davem@davemloft.net>
On Fri, 27 Jul 2012, David Miller wrote:
> I've been getting some weird long-double unexpected underflow for
> yn() for a week or two, and I plan to look into that soon. It's
> probably yet another soft-fp issue, sigh...
There are quite a lot of Bessel function tests that get spurious underflow
in some cases (generally marked as UNDERFLOW_EXCEPTION_OK with comments
pointing to bug 14155 until they are properly fixed - I think there are
several cases in the various implementations that need to use simpler
approximations for certain arguments to avoid intermediate computations
underflowing). Though I don't know why such a failure would newly appear.
--
Joseph S. Myers
joseph@codesourcery.com