POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log1pf.html}
-Gnulib module: ---
+Gnulib module: log1pf or log1pf-ieee
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{log1pf} or @code{log1pf-ieee}:
@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, MSVC 9.
+@item
+This function returns a wrong value for the argument @code{-1.0f} on some platforms:
+IRIX 6.5.
@end itemize
-Portability problems not fixed by Gnulib:
+Portability problems fixed by Gnulib module @code{log1pf-ieee}:
@itemize
@item
-This function is missing on some platforms:
-Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, MSVC 9.
+This function has problems when the argument is minus zero on some platforms:
+OpenBSD 4.9, AIX 7.1.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
@end itemize