Re: Re: Possible Calc support for Org-Babel?

["Eric Schulte" <schulte.eric@gmail.com>]

Sébastien Vauban <wxhgmqzgwmuf@spammotel.com> writes:

> Eric,
>
> "Eric Schulte" wrote:
>> Sébastien Vauban <wxhgmqzgwmuf@spammotel.com> writes:
>>
>>> There must be something stupid in my config, but even a simple one like the
>>> following does not work for me:
>>>
>>> #+begin_src calc
>>> 1
>>> 2
>>> '+
>>> #+end_src
>>>
>>> Error is:
>>>
>>> #+begin_src emacs-lisp
>>> executing Calc code block...
>>> calc-push-list: Symbol's value as variable is void: calc-command-flags
>>> #+end_src
>>>
>>> Though, I confirm you that I have loaded both =calc= and =ob-calc=... Any idea?
>>
>> That variable is defined in my version of calc.el (distributed with the
>> latest version of Emacs from git).  Is that variable not defined in your
>> calc.el file?  Maybe the solution is to upgrade your calc.
>
> I have "GNU Emacs 23.1.50.1 (i386-mingw-nt5.1.2600) of 2009-10-14 on
> LENNART-69DE564 (patched)" (known as EmacsW32, latest version that Lennart put
> online).
>
> Library is file "c:/Program Files/Emacs/emacs/lisp/calc/calc.elc", and I see
> (on line 1544 of the =.el= file):
>
> #+begin_src emacs-lisp
> (defvar calc-command-flags)
> #+end_src
>
> ELC seems well compiled from that EL, as times report:
>
>   -rw-rw-rw-  1 Fabrice Aucun 138805 2009-10-14 02:45 calc.el
>   -rw-rw-rw-  1 Fabrice Aucun 103841 2009-10-14 02:46 calc.elc
>
> Setting it myself to nil -- I have no idea why I must do this! -- :
>
> #+begin_src emacs-lisp
> (setq calc-command-flags nil)
> #+end_src
>

Hmm, that is weird.  I guess you could search for the text variable name
in your calc.el file, but I don't know how that would help you.  Since
I'm requiring calc from ob-calc.el, and I am only calling existing calc
functions I'm going to treat this as a calc bug (i.e. beyond my scope).

>
> has the effect that many examples now work.
>
> Not all, though. For example,
>
> #+begin_src calc
> 2*e
> #+end_src
>
> returns =nil=:
>
> #+results:
> : nil
>

That is the only example I gave that uses a calc default variable.
Maybe this is also a difference in our calc implementations?

Best -- Eric

>
> Best regards,
>   Seb