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Re: [Axiom-developer] RE: mathaction

From: Arthur Norman
Subject: Re: [Axiom-developer] RE: mathaction
Date: Fri, 17 Sep 2004 16:12:05 +0100 (GMT Daylight Time)

On Fri, 17 Sep 2004, Camm Maguire wrote:
Greetings, all!  The site looks great!  I just have one request -- it
should be made clear early on that reduce is not open source software.
It appears from their site that they are selling the source under some
circumstances however (cannot see where though).  It would be helpful
if someone could report on whether their conditions would allow
inspection of the source for use in spotting bugs in axiom.  Am also
wondering if standard lisp, as a 'subset', will run on gcl much as the
'applicative common lisp' subset does in acl2.

Take care,
If you follow you will find that a "personal" version of Reduce is available (for perhaps a limited range of platforms) and that comes without source, and there is a "professional" version that comes with source (and in some cases full source of the Lisp use dto build it). And of course multiple-installation and site licenses are also available. Reduce has two distributors who use different Lisp systems, both conforming to "standard lisp". At one stage a mapping of that onto Common Lisp was available but that is no longer supported or available. One of the versions of Reduce is built on and comes with my "CSL" Lisp system and when NAG distributed Axiom I had adjustments to that that supported enough of the common lisp-isms that Axiom built on it. To my mind the key featuures of what was done there were that (a) one compiled image file could then be run on almost any platform (windows, linux, lots of sorts of Unix) so the need for per-platform compilation of all that Lisp was removed. And platform-specific glitches and incompatibilities would be minimised. (b) at the time Axiom was notably a resource hog by the standard of workstations available and "CCL" (thing S=standard, C=common, L=lisp, c=Codemist) allowed it to run with a relatively modest footprint.

Note that some in the new Axiom world have declared use of CCL to be one of the worst mistakes anybody ever made wrt Axiom and that my Lisp is thus to be abhored.. so do not get too enthusiastic.


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