libm alternative in ports

[Tobias]

On Tue, Nov 23, 2010 at 4:15 PM, Alexander Best <arundel at freebsd.org> wrote:

> On Tue Nov 23 10, Chris Brennan wrote:
> > On Tue, Nov 23, 2010 at 4:00 PM, Alexander Best <arundel at freebsd.org>
> wrote:
> >
> > > hi there,
> > >
> > > does anybody if there's an alternative for libm in the ports dir? i
> need
> > > it,
> > > because the newest snapshots of mplayer require log2() and log2f(),
> which
> > > the
> > > base libm doesn't support.
> > >
> > > cheers.
> > > alex
>

Can't you just calculate it yourself?
log2(n) = log10(n)/log10(2)?
http://logbase2.blogspot.com/2007/12/log-base-2.html

--Tobias