@node fesetround
@subsection @code{fesetround}
@findex fesetround

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/fesetround.html}

Gnulib module: fenv-rounding
@mindex fenv-rounding

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, Solaris 9, Cygwin 1.7.7, MSVC 9, Android 4.4.
@item
This function does not work on some platforms:
MSVC 14.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
The rounding mode has no effect on @code{long double} operations on some platforms:
FreeBSD/arm64, NetBSD/sparc64, OpenBSD/arm64, OpenBSD/mips64.
@end itemize
