5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/floorf.html}
7 Gnulib module: floorf or floorf-ieee
9 Portability problems fixed by either Gnulib module @code{floorf} or @code{floorf-ieee}:
12 This function is missing on some platforms:
13 Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9.
15 This function is only defined as a macro with arguments on some platforms:
19 Portability problems fixed by Gnulib module @code{floorf-ieee}:
23 Portability problems not fixed by Gnulib: