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From: Paul Zimmermann <Paul.Zimmermann@inria.fr>
To: Szabolcs Nagy <nsz@port70.net>
Cc: musl@lists.openwall.com
Subject: Re: [musl] issue with sinhf
Date: Sat, 06 Feb 2021 07:34:44 +0100	[thread overview]
Message-ID: <mw8s81vh4r.fsf@tomate.loria.fr> (raw)
In-Reply-To: <20210205201229.GD2447252@port70.net> (message from Szabolcs Nagy on Fri, 5 Feb 2021 21:12:29 +0100)

       Dear Szabolcs,

> that one was for the acoshf bug, the sinhf issue was a bug
> in expm1f (overflowed too early, although sinhf could have
> used a less tight threshold that would have prevented this
> causing an issue there)
> 
> 
> [2:text/x-diff Show Save:0001-math-fix-expm1f-overflow-threshold.patch (1kB)]

and that one fixes the sinhf issue:

GLIBC :
$ gcc -fno-builtin test_sinh_musl.c -lm
$ ./a.out
x=0x1.62e4p+6 y=0x1.ffe808p+126

musl-1.2.2 + above patch:
$ gcc -fno-builtin test_sinh_musl.c $FILES
$ ./a.out
x=0x1.62e4p+6 y=0x1.ffe808p+126

Thank you!
Paul



  reply	other threads:[~2021-02-06  6:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05  8:01 Paul Zimmermann
2021-02-05 20:09 ` Szabolcs Nagy
2021-02-05 20:12   ` Szabolcs Nagy
2021-02-06  6:34     ` Paul Zimmermann [this message]
2021-02-06  6:29   ` Paul Zimmermann

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