Ralf,

If you really wanted to do that everywhere in the result of axFormatType,
in the file 'interp/ax.boot' you could change the line

     MEMQ(typeform, $FormalMapVariableList) => typeform

to

     MEMQ(typeform, $FormalMapVariableList) =>
        SUBLISLIS(rest $FormalMapVariableList, $FormalMapVariableList,
typeform)

but I have some doubts that this can be the correct solution in general.
What happens to |#1| ? What is the underlying reason for this change?  What
changed in FriCAS to make this necessary?  Or are you saying that this is
necessary only in the case of FiniteDivisor ?  I notice that there are
numerous such special cases in the 'ax.boot' code.

Note: For debugging BOOT programming I find Lisp syntax

  )lisp (|axFormatType| '(|FiniteDivisor| |#2| |#3| |#4| |#5|))

sometimes a bit inconvenient. Maybe the )boot command is another thing that
needs more documentation. The command )boot converts from BOOT syntax to
Lisp and then executes the Lisp. For example.

(1) -> )boot axFormatType( [ 'FiniteDivisor, '_#1, '_#2, '_#3, '_#4 ]
)

(EVAL-WHEN (EVAL LOAD)
  (PROG ()
    (RETURN (|axFormatType| (LIST '|FiniteDivisor| '|#1| '|#2| '|#3|
'|#4|)))))

Value = (|Apply| |FiniteDivisor| |#2| |#3| |#4| |#5|)

This is the result after changing 'ax.boot' as I suggested above and running

 (1) -> )read /home/wspage/fricas-src/src//interp/ax.boot

Regards,
Bill Page.

On Thu, Dec 15, 2011 at 6:58 PM, hemmecke <[email protected]> wrote:

> Status update.
>
> I believe, I've found where ax.boot needs to be fixed.
>
> The translation will call
>
> )lisp (|axFormatType| '(|FiniteDivisor| |#2| |#3| |#4| |#5|))
>
> with $pretendFlag being true. That ends up in figuring out the |
> PretendTo| things from the output of
>
> )lisp (GETDATABASE '|FiniteDivisor| 'CONSTRUCTORMODEMAP)
>
> The problem simply is that one would have to replace |#1| by |#2|, |
> #2| by |#3|, etc. as given in the |axFormatType| call and probably do
> this recursively.
>
> I guess, I cannot manage to fix it too quickly since I'd have to find
> my way through "programming in BOOT".
>
> Would be good if the interface were fixed, but maybe after fixing
> that, other problems pop up. So don't let the release be delayed.
>
> Ralf
>
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