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Re: Fix ldbl-128 / ldbl-128ibm lgammal spurious underflow (bug 16400)
- From: Andreas Jaeger <aj at suse dot com>
- To: "Joseph S. Myers" <joseph at codesourcery dot com>, libc-alpha at sourceware dot org
- Date: Mon, 06 Jan 2014 17:55:03 +0100
- Subject: Re: Fix ldbl-128 / ldbl-128ibm lgammal spurious underflow (bug 16400)
- Authentication-results: sourceware.org; auth=none
- References: <Pine dot LNX dot 4 dot 64 dot 1401061632300 dot 20712 at digraph dot polyomino dot org dot uk>
On 01/06/2014 05:33 PM, Joseph S. Myers wrote:
> This patch fixes bug 16400, spurious underflow exceptions for ldbl-128
> / ldbl-128ibm lgammal with small positive arguments, by just using
> -__logl (x) as the result in the problem cases (similar to the
> previous fix for problems with small negative arguments).
>
> Tested powerpc32, and also tested on mips64 that this does not require
> ulps regeneration for the ldbl-128 case.
ok,
Thanks,
Andreas
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