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Date: Sat, 06 Feb 2021 07:34:44 +0100
From: Paul Zimmermann <>
To: Szabolcs Nagy <>
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:

$ 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!

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