---

13.18.2 feenableexcept

LSB specification:
https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-feenableexcept.html

Documentation:

• https://www.gnu.org/software/libc/manual/html_node/Control-Functions.html,
• man feenableexcept.

Gnulib module: fenv-exceptions-trapping

Portability problems fixed by Gnulib:

• 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.
• This function does not detect failures on glibc 2.19/aarch64, FreeBSD 12.2/arm, FreeBSD 12.2/arm64, NetBSD 10.0/arm64.

Portability problems not fixed by Gnulib:

• The resulting signal is SIGILL instead of SIGFPE on some platforms: Linux/hppa, macOS 14/arm64.