[Bug 481121] [NEW] maxima or gcl bug

gene eumospan at gmail.com
Thu Nov 12 05:23:01 UTC 2009


Public bug reported:

Binary package hint: maxima

upgraded to very buggy ubuntu 9.10 . 
Here's one of the "strange bugs": 

Maxima 5.17.1 http://maxima.sourceforge.net
Using Lisp GNU Common Lisp (GCL) GCL 2.6.7 (aka GCL)


how to reproduce:
Opne maxima  (in the terminal, xmaxima, wxmaxima)
type :
integrate((x-1)/(x^3+1),x);

maxima gives:
Universal error handler called recursively (:ERROR NIL
                                                  CONDITIONS::CLCS-UNIVERSAL-ERROR-HANDLER
                                                  ""
                                                  "Couldn't protect")
Universal error handler called recursively (:ERROR NIL
                                            CONDITIONS::CLCS-UNIVERSAL-ERROR-HANDLER
                                            "" "Couldn't protect")
Maxima encountered a Lisp error:

 Error in CONDITIONS::CLCS-UNIVERSAL-ERROR-HANDLER [or a callee]: Caught
fatal error [memory may be damaged]

Automatically continuing.
To reenable the Lisp debugger set *debugger-hook* to nil.

Which is a nonsence. I remember doing it beforfe the upgrade

MOREOVER, On my FreeBSD box I just recently compiled the SAME VERSION of
Maxima against Lisp CLISP 2.47 (2008-10-23) instead of GCL. That one did
not compile for me.

OK if I do it in the freebsd maxima I get::

(%i1) integrate((x-1)/(x^3+1),x);
                             2
                        log(x  - x + 1)   2 log(x + 1)
(%o1)                   --------------- - ------------
                               3               3
And of course this is right.
Here's the header again:
Maxima 5.17.1 http://maxima.sourceforge.net
Using Lisp CLISP 2.47 (2008-10-23)

** Affects: maxima (Ubuntu)
     Importance: Undecided
         Status: New

-- 
maxima  or gcl bug
https://bugs.launchpad.net/bugs/481121
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