ceill
=====

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

Gnulib module: ceill or ceill-ieee

Portability problems fixed by either Gnulib module ceill or ceill-ieee:

  * This function is missing on some platforms: FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin.

  * This function is only defined as a macro with arguments on some platforms: MSVC 14.

Portability problems fixed by Gnulib module ceill-ieee:

Portability problems not fixed by Gnulib: