@node feenableexcept
@subsection @code{feenableexcept}
@findex feenableexcept

LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-feenableexcept.html}

Documentation:
@itemize
@item
@ifinfo
@ref{Control Functions,,Floating-Point Control Functions,libc},
@end ifinfo
@ifnotinfo
@url{https://www.gnu.org/software/libc/manual/html_node/Control-Functions.html},
@end ifnotinfo
@item
@uref{https://www.kernel.org/doc/man-pages/online/pages/man3/feenableexcept.3.html,,man feenableexcept}.
@end itemize

Gnulib module: fenv-exceptions-trapping
@mindex fenv-exceptions-trapping

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
macOS 14, musl libc, FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 11.4, Cygwin 1.7.7, mingw, MSVC 14, Android 4.4.
@item
This function does not detect failures on
glibc 2.19/aarch64, FreeBSD 12.2/arm, FreeBSD 12.2/arm64,
@c src/sys/arch/{aarch64,arm}/include/fenv.h src/lib/libm/arch/aarch64/fenv.c
NetBSD 10.0/arm64.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
The resulting signal is @code{SIGILL} instead of @code{SIGFPE}
on some platforms:
Linux/hppa, macOS 14/arm64.
@end itemize
