[Maxima-discuss] Problem loading package COMA

[Wilhelm H. <wil...@ht...>]

Hi,

I have problems loading the control engineering package COMA
(Maxima 5.35.1, Windows xp):

In the command-line Version of Maxima I can only load the package
by specifying the whole path:

  (%i1) 
load("C:\\Programme\\Maxima-5.35.1\\share\\maxima\\5.35.1\\share\\contrib\coma\\coma.mac");
              coma v.1.70, (Wilhelm Haager, 2014-09-07)

  (%o1) 
C:\Programme\Maxima-5.35.1\share\maxima\5.35.1\share\contrib\coma\coma.mac

Specifying just the package-name yields an error message:

  (%i2) load(coma);
  ;
  ; compilation unit aborted
  ;   caught 1 fatal ERROR condition

  loadfile: failed to load coma
   -- an error. To debug this try: debugmode(true);
  (%i3)

wxMaxima behaves especially weirdly: Loading the package by specifying
just the package-name works:

  (%i1) load(coma);
  "coma v.1.70, (Wilhelm Haager, 2014-09-07)"
  (%o1) "d:/w/maxima/coma.mac"

But loading it out of an existing wxm-File does not:

(%i1) load(coma);
;

loadfile: failed to load coma
 -- an error. To debug this try: debugmode(true);

Even a local copy of coma.mac cannot be loaded in the desired way;
nevertheless, a renamed copy of the package can be loaded very well.

Thus I suppose, the name "coma" must be registered anywhere in the
system in an unappropriate way,
as renaming the file solves the problem
(but it would be always better to treat the root cause instead
of the symptoms).

Thanks in advance
Wilhelm