@node log2f
@section @code{log2f}
@findex log2f

POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log2f.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, IRIX 6.5, Solaris 9,
Interix 3.5.
@item
This function is only provided as a macro on some platforms:
Cygwin 1.5.x.
@end itemize
