POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log10f.html}
-Gnulib module: log10f
+Gnulib module: log10f or log10f-ieee
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{log10f} or @code{log10f-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{log10f-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: