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Re: [PATCH][BZ #22244] Fix yn(n,0) without SVID wrapper
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Szabolcs Nagy <szabolcs dot nagy at arm dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>, <nd at arm dot com>
- Date: Tue, 3 Oct 2017 17:46:08 +0000
- Subject: Re: [PATCH][BZ #22244] Fix yn(n,0) without SVID wrapper
- Authentication-results: sourceware.org; auth=none
- References: <59D3C8B2.9020204@arm.com> <59D3CA42.1060402@arm.com> <59D3CC2B.1060602@arm.com>
On Tue, 3 Oct 2017, Szabolcs Nagy wrote:
> On 03/10/17 18:34, Szabolcs Nagy wrote:
> > On 03/10/17 18:28, Szabolcs Nagy wrote:
> >> Without SVID compat wrapper yn(n,0) and ynf(n,0) does not raise
> >> the divide-by-zero excpetion and it may return inf with the wrong
> >> sign for n < 0.
> >>
> >> 2017-10-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
> >>
> >> [BZ #22244]
> >> * sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_yn): Fix x == 0 case.
> >> * sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_ynf): Likewise.
> >>
> >
> > sorry, wrong patch (this one breaks yn(n,-0))
> >
>
> now with fixed patch.
OK.
--
Joseph S. Myers
joseph@codesourcery.com