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10.24.42 ceill ¶

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/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, Solaris 9, Cygwin 1.7.x.
• This function is only defined as a macro with arguments on some platforms: MSVC 14.
• This function returns a wrong result for small arguments on some platforms: OpenBSD 5.6.

Portability problems fixed by Gnulib module ceill-ieee:

Portability problems not fixed by Gnulib: