Re: [O] [BUG] org-table: time difference delivers wrong results

[Martyn Jago]

Daniel Bausch <address@hidden> writes:

> Anyone?  It might be a duplicate of what Gustav Wiktröm reported on 1st of 
> September, but his problem was not resolved, either.
>
> Daniel
>
> Am Dienstag 15. November 2011, 22:12:45 schrieb Daniel Bausch:
>> Hello list,
>> 
>> consider the following example:
>> |        A |         B |         C |
>> |
>> |----------+-----------+-----------|
>> |
>> | 07:11:00 | -08:00:00 | -01:11:00 |
>> 
>> #+TBLFM: $3=$1+$2;T

[...]

At first I wondered if Calc was treating these numbers as angles
(degrees, minutes, seconds) but I really can't explain these results:

|   Data 1 |   Data 2 |     Total |
|----------+----------+-----------|
| 00:00:00 | 00:00:00 |  00:00:00 |
| 00:00:00 | 00:00:01 | -01:59:59 |
| 00:00:00 | 00:00:02 | -01:58:58 |
| 00:00:00 | 00:00:03 | -01:59:57 |
| 00:00:00 | 00:00:04 |  00:00:00 |
| 00:00:00 | 00:00:05 | -01:59:55 |
| 00:00:00 | 00:00:06 | -01:58:58 |
| 00:00:00 | 00:00:07 | -01:59:53 |
| 00:00:00 | 00:00:08 |  00:00:00 |
| 00:00:00 | 00:00:09 | -01:59:51 |
| 00:00:00 | 00:00:10 | -01:58:58 |
| 00:00:00 | 00:00:11 | -01:59:49 |
| 00:00:00 | 00:00:12 |  00:00:00 |
| 00:00:00 | 00:00:13 | -01:59:47 |
| 00:00:00 | 00:00:14 | -01:58:58 |
| 00:00:00 | 00:00:15 | -01:59:45 |
#+TBLFM: 
@2$3=$1-$2;T::@3$3=$1-$2;T;@4$3=$1-$2;T::@5$3=$1-$2;T;@6$3=$1-$2;T::@7$3=$1-$2;T;@8$3=$1-$2;T::@9$3=$1-$2;T;@10$3=$1-$2;T::@11$3=$1-$2;T;@12$3=$1-$2;T::@13$3=$1-$2;T;@14$3=$1-$2;T::@15$3=$1-$2;T;@16$3=$1-$2;T::@17$3=$1-$2;T

|   Data 1 |   Data 2 |     Total |
|----------+----------+-----------|
| 00:00:00 | 00:00:16 | -01:59:44 |
| 00:00:00 | 00:00:17 | -01:59:43 |
| 00:00:00 | 00:00:18 | -01:58:58 |
| 00:00:00 | 00:00:19 | -01:59:41 |
| 00:00:00 | 00:00:20 |  00:00:00 |
| 00:00:00 | 00:00:21 | -01:59:39 |
| 00:00:00 | 00:00:22 | -01:58:58 |
| 00:00:00 | 00:00:23 | -01:59:37 |
| 00:00:00 | 00:00:24 |  00:00:00 |
| 00:00:00 | 00:00:25 | -01:59:35 |
| 00:00:00 | 00:00:26 | -01:58:58 |
| 00:00:00 | 00:00:27 | -01:59:33 |
| 00:00:00 | 00:00:28 |  00:00:00 |
| 00:00:00 | 00:00:29 | -01:59:31 |
| 00:00:00 | 00:00:30 | -01:58:58 |
| 00:00:00 | 00:00:31 | -01:59:29 |
#+TBLFM: 
@2$3=$1-$2;T::@3$3=$1-$2;T;@4$3=$1-$2;T::@5$3=$1-$2;T;@6$3=$1-$2;T::@7$3=$1-$2;T;@8$3=$1-$2;T::@9$3=$1-$2;T;@10$3=$1-$2;T::@11$3=$1-$2;T;@12$3=$1-$2;T::@13$3=$1-$2;T;@14$3=$1-$2;T::@15$3=$1-$2;T;@16$3=$1-$2;T::@17$3=$1-$2;T

|   Data 1 |   Data 2 |     Total |
|----------+----------+-----------|
| 00:00:00 | 00:00:59 | -01:59:01 |
| 00:00:00 | 00:01:00 | -01:59:00 |
| 00:00:00 | 00:01:01 | -01:58:58 |
| 00:00:00 | 00:01:02 | -01:58:58 |
| 00:00:00 | 00:01:03 |  00:00:00 |
| 00:00:00 | 00:01:04 | -01:58:56 |
| 00:00:00 | 00:01:05 | -01:58:58 |
| 00:00:00 | 00:01:06 | -01:58:54 |
| 00:00:00 | 00:01:07 |  00:00:00 |
| 00:00:00 | 00:01:08 | -01:58:52 |
| 00:00:00 | 00:01:09 | -01:58:58 |
| 00:00:00 | 00:01:10 | -01:58:50 |
| 00:00:00 | 00:01:11 |  00:00:00 |
| 00:00:00 | 00:01:12 | -01:58:48 |
| 00:00:00 | 00:01:13 | -01:58:58 |
| 00:00:00 | 00:01:14 | -01:58:46 |
#+TBLFM: 
@2$3=$1-$2;T::@3$3=$1-$2;T;@4$3=$1-$2;T::@5$3=$1-$2;T;@6$3=$1-$2;T::@7$3=$1-$2;T;@8$3=$1-$2;T::@9$3=$1-$2;T;@10$3=$1-$2;T::@11$3=$1-$2;T;@12$3=$1-$2;T::@13$3=$1-$2;T;@14$3=$1-$2;T::@15$3=$1-$2;T;@16$3=$1-$2;T::@17$3=$1-$2;T

Best, Martyn