[armedbear-devel] Fwd: How to compile and run Maxima with ABCL?

[Phuc Luoi]

> Hmm, you might be able to simplify this architecture somewhat. There is
> a share package, maxima-server.lisp, which implements an ordinary
> Unix-ish server via listen, accept, and fork function calls (in SBCL).
> Each client gets a separate session (due to fork). Maxima has command
> line options to turn off the input and output labels and banner message,
> so only results are output.

I have never known about it, I will try it.  Well firstly i must learn to
program in lisp. I have never programmed in lisp.

> What is the output of the Python HTTP server? You could probably write
> that same functionality in Lisp, or maybe in Maxima itself.

python takes all output of maxima an redirects http server. I choose
http because its more robuster than primary tcp socket server.

> That makes sense to me. The main problem I see, which affects
> socket-based architectures as well, is that Maxima sometimes wants to
> ask questions (e.g. "Is x positive, negative, or zero?"). I don't know
> what to do about that. There is an experimental share package named
> noninteractive which attempts to intercept such questions and turn them
> into if-then expressions. I can say more about that if you are
> interested.

Yes, please tell me about that. Thanks you very much.

On Thu, Jun 21, 2012 at 8:12 AM, Robert Dodier <robert.dodier at gmail.com> wrote:
> On 2012-06-20, Phuc Luoi <phucluoi at gmail.com> wrote:
>
>> I 'm working on the E-Learning system mathcoach:
>> http://mathcoach.htw-saarland.de/project/
>> We plan to use maxima for the back-end our system. We used python to
>> connect to maxima over Pipe (in Linux) and redirect the output of
>> maxima to a http-server written in Python.
>> The Java front-end can then connect to the http server.
>
> Hmm, you might be able to simplify this architecture somewhat. There is
> a share package, maxima-server.lisp, which implements an ordinary
> Unix-ish server via listen, accept, and fork function calls (in SBCL).
> Each client gets a separate session (due to fork). Maxima has command
> line options to turn off the input and output labels and banner message,
> so only results are output.
>
> What is the output of the Python HTTP server? You could probably write
> that same functionality in Lisp, or maybe in Maxima itself.
>
>> I think it is more robust if we can integrate maxima directly in Java,
>> something like a jar file or so.
>
> That makes sense to me. The main problem I see, which affects
> socket-based architectures as well, is that Maxima sometimes wants to
> ask questions (e.g. "Is x positive, negative, or zero?"). I don't know
> what to do about that. There is an experimental share package named
> noninteractive which attempts to intercept such questions and turn them
> into if-then expressions. I can say more about that if you are
> interested.
>
> best
>
> Robert Dodier
>
>
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