5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/ceill.html}
7 Gnulib module: ceill or ceill-ieee
9 Portability problems fixed by either Gnulib module @code{ceill} or @code{ceill-ieee}:
12 This function is missing on some platforms:
13 FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin 1.7.x.
15 This function is only defined as a macro with arguments on some platforms:
18 This function returns a wrong result for small arguments on some platforms:
22 Portability problems fixed by Gnulib module @code{ceill-ieee}:
26 Portability problems not fixed by Gnulib: