@section @code{roundf}
@findex roundf
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/roundf.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/roundf.html}
Gnulib module: roundf
@item
This function is missing on some platforms:
FreeBSD 5.2.1, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 4.0, Solaris 9, Interix 3.5.
+@item
+This functions returns a wrong result for x = 1/2 - 2^-25 on some platforms:
+mingw.
@end itemize
Portability problems not fixed by Gnulib: