5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ceilf.html}
7 Gnulib module: ceilf or ceilf-ieee
9 Portability problems fixed by either Gnulib module @code{ceilf} or @code{ceilf-ieee}:
12 This function is missing on some platforms:
13 AIX 5.1, HP-UX 11, Solaris 9.
16 Portability problems fixed by Gnulib module @code{ceilf-ieee}:
19 This function returns a positive zero for an argument between -1 and 0
21 MacOS X 10.5, AIX 7.1, OSF/1 5.1.
23 This function returns a positive zero for a minus zero argument
28 Portability problems not fixed by Gnulib: