@node fmaf
@section @code{fmaf}
@findex fmaf

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/fmaf.html}

Gnulib module: fmaf

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, MSVC 9.
@item
This function produces wrong results on some platforms:
glibc 2.11, Mac OS X 10.5, FreeBSD 6.4/x86, FreeBSD 12.2/arm, Cygwin 1.5, mingw.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function produces wrong results on some platforms:
musl libc/powerpc64le when emulated by QEMU 5.0.0.
@c https://bugs.launchpad.net/qemu/+bug/1912934
@end itemize