fedisableexcept
---------------

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

Documentation:

  * Floating-Point Control Functions (libc),

  * man fedisableexcept.

Gnulib module: fenv-exceptions-trapping

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: macOS 11.1, musl libc, FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 1.7.7, mingw, MSVC 14, Android 4.4.

Portability problems not fixed by Gnulib: