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

19 Jun 2012


      ---------- Forwarded message ----------
From: Phuc Luoi phucluoi@gmail.com
Date: Tue, Jun 19, 2012 at 12:51 PM
Subject: Re: [armedbear-devel] How to compile and run Maxima with ABCL?
To: Robert Dodier robert.dodier@gmail.com
Thanks for your answer.
I tried this and got these errors:
Can't intern zero-length symbol.
Restarts:
 0: RETRY     Retry compiling #<ASDF:CL-SOURCE-FILE "maxima"
"utilities" "mformt">.
 1: ACCEPT    Continue, treating compiling #<ASDF:CL-SOURCE-FILE
"maxima" "utilities" "mformt"> as having been successful.
 2: TOP-LEVEL Return to top level.
by compiling the file
/maxima-5.27.0/src/mformt.lisp (step 9)
I have choose the option 1 to accept this. I got some more errors by
compiling. After all I got
Out of memory PermGen space
Restarts:
 0: TOP-LEVEL Return to top level.
and abcl did not compiled maxima.
Can you tell me why I got these error? And how can repair them?
On Tue, Jun 19, 2012 at 5:04 AM, Robert Dodier robert.dodier@gmail.com wrote:
...
On 2012-06-16, Phuc Luoi phucluoi@gmail.com wrote:
...
How can I compile and run Maxima with ABCL?
(1) Unpack a Maxima tarball.
http://sourceforge.net/projects/maxima and follow links to download page.
Look for "Maxima-source".
(2) cd /path/to/maxima-5.27.0
(3) java -jar /path/to/abcl.jar
(4) (configure) ;; you can probably accept defaults for most/all questions
(5) (quit)
(6) cd src
(7) java -jar /path/to/abcl.jar
(8) (require 'asdf)
(9) (asdf:operate 'asdf:load-op :maxima)
(10) (quit)
(11) java -jar /path/to/abcl.jar
(12) (require 'asdf)
(13) (asdf:operate 'asdf:load-op :maxima) ;; yes, same as (9)
(14) (cl-user::run) ;; should bring up Maxima banner & input prompt
...
Furthermore can I emmbed maxima in a Java Programm with ABCL?
Yes. I've appended an example program. Command line to compile it:
javac -cp /path/to/abcl.jar -d /path/to/compiled/class abcl_maxima.java
To execute it: (you must be in the Maxima src directory)
java -cp /path/to/compiled/class:/path/to/abcl.jar abcl_maxima
I get: (takes a minute or two to load Maxima)
loading Maxima ... finished.
x.getClass => class org.armedbear.lisp.Cons
x = org.armedbear.lisp.Cons@1748ba8
x.javaInstance => org.armedbear.lisp.Cons@1748ba8
x.javaInstance.getClass => class org.armedbear.lisp.Cons
4 factors of 12341234
factor: 2, multiplicity: 1
factor: 73, multiplicity: 1
factor: 137, multiplicity: 1
factor: 617, multiplicity: 1
Note that all user functions have names which begin with dollar sign.
E.g. user function ifactors <==> $IFACTORS in Lisp
If you need help with Lisp programming for Maxima, ask questions on the
mailing list. See: http://maxima.sourceforge.net/maximalist.html
Hope this helps, have fun, & good luck.
Robert Dodier
PS. Example program abcl_maxima.java:
// abcl_maxima.java -- example program for calling Maxima from Java via ABCL
// copyright 2012 by Robert Dodier
// I release this work under terms of the GNU General Public License
import org.armedbear.lisp.Interpreter;
import org.armedbear.lisp.Package;
import org.armedbear.lisp.Packages;
import org.armedbear.lisp.Symbol;
import org.armedbear.lisp.Function;
import org.armedbear.lisp.LispObject;
import org.armedbear.lisp.Fixnum;
import org.armedbear.lisp.Bignum;
import org.armedbear.lisp.Cons;
public class abcl_maxima
{
       public static void main (String [] args) throws Exception
       {
               int a;
if (args.length > 0)
                       a = Integer.parseInt (args [0]);
               else
                       a = 12341234;
Interpreter I = Interpreter.createInstance ();
               System.out.print ("loading Maxima ... ");
               I.eval ("(require 'asdf)");
               I.eval ("(asdf:operate 'asdf:load-op :maxima)");
               System.out.println ("finished.");
               Package P = Packages.findPackage ("MAXIMA");
//      java.util.List <Symbol> L = P.getAccessibleSymbols ();
       //      for (Symbol S : L)
       //      {
       //              if (P.equals (S.getPackage ()))
       //                      System.out.println (S.toString ());
       //      }
Symbol S = P.findAccessibleSymbol ("$IFACTORS");
               Function F = (Function) S.getSymbolFunction ();
               LispObject x = Bignum.getInstance (a);
               x = F.execute (x);
               System.out.println ("x.getClass => " + x.getClass ());
               System.out.println ("x = " + x);
               System.out.println ("x.javaInstance => " + x.javaInstance ());
               System.out.println ("x.javaInstance.getClass => " + x.javaInstance () . getClass ());
int n = ((Cons) x).length ();
               System.out.println ((n - 1) + " factors of " + a);
for (int i = 1; i < n; i++)
               {
                       Cons x1 = (Cons) ((Cons) x).NTH (i);
                       Fixnum f = (Fixnum) x1.NTH (1);
                       Fixnum m = (Fixnum) x1.NTH (2);
                       System.out.println ("factor: " + f.intValue () + ", multiplicity: " + m.intValue ());
               }
       }
}

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