For the prior art, here's a little survey.

http://www.shiro.dreamhost.com/scheme/wiliki/schemexref.cgi/arithmetic-shift
http://www.shiro.dreamhost.com/scheme/wiliki/schemexref.cgi/ash
http://www.shiro.dreamhost.com/scheme/wiliki/schemexref.cgi/ashl

http://www.shiro.dreamhost.com/scheme/wiliki/schemexref.cgi/logand
http://www.shiro.dreamhost.com/scheme/wiliki/schemexref.cgi/bitwise-and
http://www.shiro.dreamhost.com/scheme/wiliki/schemexref.cgi/bit-and

(They are based on my skimming reference manuals.  If they are
not correct, edit the page)

--shiro

>From: Per Bothner <xxxxxx@bothner.com>
Subject: Re: SRFI 33 vs SLIB
Date: Thu, 06 Jan 2005 21:51:28 -0800

> Aubrey Jaffer wrote:
>
> > ASH is another problem word, but is prior art from Common-Lisp.
>
> There is prior art for "arithmetic-shift".  Kawa proves both.
> I seem to remember getting the name "arithmetic-shift" from some
> other Scheme implementation.
> --
> 	--Per Bothner
> xxxxxx@bothner.com   http://per.bothner.com/
>