From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: table/calc: subscr() fails with date
Date: Sun, 04 Sep 2016 16:40:06 +0200
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References: <2016-09-03T13-32-36@devnull.Karl-Voit.at>
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To: Karl Voit <devnull@Karl-Voit.at>
Cc: Karl Voit <news1142@Karl-Voit.at>, emacs-orgmode@gnu.org

Hello,

Karl Voit <devnull@Karl-Voit.at> writes:

> I've found a bug when using subscr() to get the value of the previous
> row. With the following date values, it fails and I don't have an idea
> why:
>
> | date                   | previous date          |
> |------------------------+------------------------|
> | [2015-08-21 Fri 16.57] |                        |

There is a typo above.

> | [2015-12-30 Wed 11:08] | [1986, Fri, 16.57]     |
> | [2016-02-01 Mon 18:33] | <2015-12-30 Wed 11:08> |
> | [2016-03-01 Tue 19:01] | <2016-02-01 Mon 18:33> |
> | [2016-04-01 Fri 19:39] | <2016-03-01 Tue 19:01> |
> | [2016-05-01 Sun 13:01] | <2016-04-01 Fri 19:39> |
> | [2016-06-01 Wed 18:24] | <2016-05-01 Sun 13:01> |
> | [2016-07-02 Sat 16:44] | <2016-06-01 Wed 18:24> |
> | [2016-08-01 Mon 19:18] | <2016-07-02 Sat 16:44> |
> | [2016-09-02 Fri 15:34] | <2016-08-01 Mon 19:18> |
> #+TBLFM: @3$2..@>$2 = subscr(@<$1..@>$1, @# - 1)
>
> Do you have any hint or idea?

The fact that inactive time stamps are turned into active ones is
because Calc only handles the latter. So all inactive time stamps are
turned into active ones prior to evaluation.

Regards,

-- 
Nicolas Goaziou