[Bug 277783] libc fma() doesn't not return the correct zero sign

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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 18 Mar 2024 21:40:03 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277783

--- Comment #5 from Victor Stinner <victor.stinner@gmail.com> ---
Ed:
> Thank you for the report and C reproduction case. Do you know which other implementations are being tested? (macOS, musl, bionic?)

Python test_math checks fma() on Windows, Linux, macOS, WASI, FreeBSD, etc. The
tests pass on all platforms but FreeBSD and WASI.

Apparently, the WASI libc is based musl, but I failed to reproduce the issue
using musl-gcc on Linux.

bionic: Python does not officially support Android yet, see:
https://peps.python.org/pep-0738/

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