POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/roundl.html}
-Gnulib module: roundl
+Gnulib module: roundl or roundl-ieee
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{roundl} or @code{roundl-ieee}:
@itemize
@item
This function is missing on some platforms:
-FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 4.0, Solaris 9, Cygwin, Interix 3.5, BeOS.
+FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 4.0, Solaris 9, Cygwin, Interix 3.5, BeOS.
@item
This function is not declared on some platforms:
glibc 2.8, OSF/1 5.1.
@end itemize
+Portability problems fixed by Gnulib module @code{roundl-ieee}:
+@itemize
+@item
+This function returns a positive zero for an argument between -0.5 and 0
+on some platforms:
+AIX 7.1.
+@item
+This function returns a positive zero for a minus zero argument
+on some platforms:
+OSF/1 5.1.
+@end itemize
+
Portability problems not fixed by Gnulib:
@itemize
@end itemize