POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/logf.html}
-Gnulib module: ---
+Gnulib module: logf or logf-ieee
-Portability problems fixed by Gnulib:
-@itemize
-@end itemize
-
-Portability problems not fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{logf} or @code{logf-ieee}:
@itemize
@item
This function is missing on some platforms:
@item
This function is only defined as a macro with arguments on some platforms:
MSVC 9.
+@item
+This function returns a wrong value for a minus zero argument on some platforms:
+OSF/1 5.1.
+@end itemize
+
+Portability problems fixed by Gnulib module @code{logf-ieee}:
+@itemize
+@item
+This function returns a wrong value for a negative argument on some platforms:
+NetBSD 5.1.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
@end itemize