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Re: Fix pow overflow in non-default rounding modes (bug 16315)

From: Stefan Liebler <stli at linux dot vnet dot ibm dot com>
To: libc-alpha at sourceware dot org
Date: Mon, 30 Jun 2014 12:51:09 +0200
Subject: Re: Fix pow overflow in non-default rounding modes (bug 16315)
Authentication-results: sourceware.org; auth=none
References: <Pine dot LNX dot 4 dot 64 dot 1406041749420 dot 3719 at digraph dot polyomino dot org dot uk> <loh649$5p6$1 at ger dot gmane dot org> <Pine dot LNX dot 4 dot 64 dot 1406261333320 dot 8915 at digraph dot polyomino dot org dot uk>

Hi Joseph,

you´re patchhttps://www.sourceware.org/ml/libc-alpha/2014-06/msg00904.html fixes thelpow issues on s390/s390x.


Thanks

On 06/26/2014 03:36 PM, Joseph S. Myers wrote:

On Thu, 26 Jun 2014, Stefan Liebler wrote:

Hi Joseph,

on S390 test-ldouble/test-ildoubl fails after testing in all rounding modes.
(see out-file; the expm1l failures does not belong to this patch)
But I haven't debugged it yet.


Well, this patch didn't touch ldbl-128/e_powl.c, so I think this indicates
pre-existing bugs that the newly enabled tests show up (including cases
where even the sign of the result is wrong).

References:
- Fix pow overflow in non-default rounding modes (bug 16315)
  - From: Joseph S. Myers
- Re: Fix pow overflow in non-default rounding modes (bug 16315)
  - From: Stefan Liebler
- Re: Fix pow overflow in non-default rounding modes (bug 16315)
  - From: Joseph S. Myers

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