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Message-Id: <mw8s81vh4r.fsf@tomate.loria.fr>
Date: Sat, 06 Feb 2021 07:34:44 +0100
From: Paul Zimmermann <Paul.Zimmermann@...ia.fr>
To: Szabolcs Nagy <nsz@...t70.net>
Cc: musl@...ts.openwall.com
Subject: Re: issue with sinhf
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
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