Eric S Fraga <ucec...@ucl.ac.uk> writes:
> "Eric Schulte" <schulte.e...@gmail.com> writes:
>> alright, thanks for sticking with this. You are definitely now using
>> the latest code. I believe the newest version of the ob-calc-eval
>> function should work -- at the very least it should give a nicer error
>> message. Could you please require update again and let me know how it
>> goes?
>
> (for the list's benefit: Eric and I have had a few out-of-the-list
> exchanges but as everything now seems to be working fine, I thought I'd
> reconnect the thread to the list...)
>
> Eric,
>
> just to confirm that it all seems to work just fine from a cold boot of
> emacs without any extra (require 'ob-eval). My babel configuration has
> the following:
>
> #+begin_src emacs_lisp
> (org-babel-do-load-languages
> 'org-babel-load-languages
> '((R . t)
> (calc . t)
> (ditaa . t)
> ...
> #+end_src
>
> and that's about it really. Evaluating the calc examples you sent
> initially all work perfectly.
>
Fantastic.
>
> Using src_calc{5-2}, for instance, also works just fine for export.
>
> I now wonder if it would be worthwhile discussing the choices you have
> made regarding stack versus algebraic evaluation. I would rather have
> the quote mean an algebraic expression, just from the simple reason that
> these will be longer than stack operations and so the overhead of a
> quote is smaller as a percentage of keystrokes...
>
Hmm, one point against prefixing the algebraic expressions is that they
would be more likely to be used by themselves in an inline code block.
Maybe there is a better way to recognize when a line is a stack vs. an
algebraic expression. For example if the line is resolvable to a stack
operation (i.e. an element of '(+ - ...)) then treat it as such,
otherwise just treat it as an algebraic expression.
>
> Anyway, thanks for this. I think this is going to be quite useful but
> it does mean really getting down and learning emacs calc...
Yes, I need to learn calc as well.
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