@node log2l
@section @code{log2l}
@findex log2l

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log2l.html}

Gnulib module: log2l

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, older IRIX 6.5, Solaris 9, Cygwin, MSVC 9, Interix 3.5, BeOS, Android 4.2.
@item
This function is not declared on some platforms:
IRIX 6.5.
@item
This function returns a wrong value for a minus zero argument on some platforms:
OSF/1 5.1.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize
