fesetexceptflag
===============

POSIX specification:
 https://pubs.opengroup.org/onlinepubs/9699919799/functions/fesetexceptflag.html

Gnulib module: fenv-exceptions-state-c99

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, IRIX 6.5, Solaris 9, Cygwin 1.7.7, MSVC 9, Android 4.4.

  * This function triggers floating-point exception traps although it shouldn't, on glibc 2.37/i386, glibc 2.37/x86_64, glibc 2.37/powerpc, musl libc, Mac OS X 10.5, Minix 3.3, mingw, Haiku.

  * This function clears too many floating-point exception flags on glibc 2.37/alpha.

  * This function loses the FE_INVALID flag on FreeBSD 14.0/powerpc64, NetBSD 9.3/powerpc.

  * This function is also buggy on AIX 7.3.1.

Portability problems not fixed by Gnulib: