# [PD] Binary - integer conversion

Sat Mar 17 09:54:56 CET 2007

```binary to decimal, just raise the nth bit 2^^n, decimal to binary see attached
(done from Kyles link) - problem: the list is a variable length and you probably
want to pad it with zeros for whatever word length you have.

On Fri, 16 Mar 2007 12:17:02 -0600
"David Powers" <cyborgk at gmail.com> wrote:

> Hi, sorry I do know that, but it's not my question.
>
> In order to use the bitwise operators, I think I need to convert an
> arbitrary string of 0's and 1's, say "00010101", into an integer, in
> this case I think 21. Is that more clear?
>
> Thanks,
> David
>
> On 3/16/07, Steffen <stffn at dibidut.dk> wrote:
> >
> > On 16/03/2007, at 18.44, David Powers wrote:
> >
> > > Hello,
> > >
> > > Is it possible to somehow convert back and forth between integer and
> > > binary in PD?
> > >
> > > My idea, is to represent simple drum machine style rhythms as binary
> > > numbers. [101010001011]. Ok, so if this were a float, it would be
> > > trivial to do a common task and shift the rhythm left or right. I
> > > think, that other rhythmic variations would also be quite fast to
> > > implement using this system, you can do binary math instead of list
> > > operations which should be much faster, I assume.
> >
> >
> > I think you want to have a look at the bitwice operators &,&&,|,||,<<
> > and >>. See also http://en.wikipedia.org/wiki/Bitwise_operation
> >
> > Hope this helps.
> >
>
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