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From: Jeff Johnston <jjohnstn@redhat.com>
To: Keith Packard <keithp@keithp.com>
Cc: Paul Zimmermann <Paul.Zimmermann@inria.fr>,
	Newlib <newlib@sourceware.org>
Subject: Re: regression in tgamma?
Date: Thu, 17 Dec 2020 13:27:54 -0500	[thread overview]
Message-ID: <CAOox84uZQJWPb6kHtnVW=mOxAVoVVgWwtB2pxs26pty7etBHew@mail.gmail.com> (raw)
In-Reply-To: <871rfo76mw.fsf@keithp.com>

I am also seeing inf instead of -inf for both tgamma and tgammaf in my
testing.

-- Jeff J.


On Thu, Dec 17, 2020 at 11:13 AM Keith Packard <keithp@keithp.com> wrote:

> Paul Zimmermann <Paul.Zimmermann@inria.fr> writes:
>
> > zimmerma@tomate:/tmp/newlib-cygwin$ ./a.out
> > x=-0x0p+0 y=inf
> > x=-0x1.53f198fe3b278p+7 y=0x1.fd6d312572d9cp-1015
> >
> > The double value is ok, however the float result should be -inf.
> > This should have been fixed by Keith Packard in commit 4641693.
>
> And it remains fixed in my code here (which is in picolibc instead of
> newlib)?
>
> x=-0 y=-inf
> x=-169.972 y=5.66756e-306
>
> (using %g instead of %a)
> --
> -keith
>

  reply	other threads:[~2020-12-17 18:28 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-16 13:48 Paul Zimmermann
2020-12-16 20:31 ` Jeff Johnston
2020-12-17  7:29   ` Paul Zimmermann
2020-12-17 16:13     ` Keith Packard
2020-12-17 18:27       ` Jeff Johnston [this message]
2020-12-17 19:16         ` Keith Packard
2020-12-17 21:28           ` Jeff Johnston
2020-12-18  6:36             ` Paul Zimmermann
2020-12-18  8:42               ` Corinna Vinschen
2020-12-18  8:54                 ` Paul Zimmermann
2020-12-18  9:07                   ` Corinna Vinschen
2020-12-18 17:42                     ` Jeff Johnston
2020-12-18  8:37             ` Paul Zimmermann
  -- strict thread matches above, loose matches on Subject: below --
2020-12-15 13:35 Paul Zimmermann
2020-12-15 17:11 ` Jeff Johnston
2020-12-16  6:36   ` Paul Zimmermann

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