Article View: net.lang.lisp
Article #664Tail Recursion Optimisation in Franz Lisp
From: Russell A. Ritchie
Date: Thu, 24 Jul 1986 09:36
Date: Thu, 24 Jul 1986 09:36
34 lines
1658 bytes
1658 bytes
Hello world,
We have Franz Lisp version 38.79, as distributed with Berkeley 4.2 UNIX.
I got sick of seeing the message 'foobar is Tail Recursive: etc'
and wrote a 'tail recursion optimiser'. It translates tail recursive
functions into simple iterative forms that don't cause NAMESTACK overflows.
Just in case anyone out there gets the wrong idea; I don't advocate iteration
over recursion but speed isn't necessarily a bad thing...
Have I reinvented the wheel?
Would anyone out there be interested in it?
RSVP.
===============================================================================
Russell A. Ritchie russell@aimmi.uucp (UK)
Heriot-Watt/Strathclyde MMI Unit, russell%aimmi.uucp@mcvax
George House, russell!<041-552-1576>
36, North Hanover Street,
Glasgow,
Scotland.
"...while it is important to avoid familiarity with the participants,
some intercourse will usually be necessary."
Rule 5 - 'Interface Experimentation Manual',
Skank & Toadsworth, London 1984.
===============================================================================
Technical Details
Message-ID:
<778@aimmi.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!mnetor!seismo!mcvax!ukc!cstvax!hwcs!aimmi!russellShow Full Headers
Complete Article Headers
Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!mcvax!ukc!cstvax!hwcs!aimmi!russell From: russell@aimmi.UUCP (Russell A. Ritchie) Newsgroups: net.lang.lisp Subject: Tail Recursion Optimisation in Franz Lisp Message-ID: <778@aimmi.UUCP> Date: Thu, 24-Jul-86 05:36:00 EDT Article-I.D.: aimmi.778 Posted: Thu Jul 24 05:36:00 1986 Date-Received: Fri, 25-Jul-86 21:56:53 EDT Reply-To: russell@aimmi.UUCP (Russell A. Ritchie) Organization: Heriot-Watt/Strathclyde Alvey MMI Unit, Scotland Lines: 34