Re: Parsing timestamps?

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Sujet : Re: Parsing timestamps?
De : minforth (at) *nospam* gmx.net (minforth)
Groupes : comp.lang.forth
Date : 27. Jun 2025, 01:50:29
Autres entêtes
Organisation : novaBBS
Message-ID : <39db5c13954310a6121682b11f4c5403@www.novabbs.com>
References : 1 2 3 4 5 6 7 8 9 10 11 12
User-Agent : Rocksolid Light
On Thu, 26 Jun 2025 18:18:56 +0000, LIT wrote:

These are my observations as well. It all depends on the problem
that you are facing. Now there are some guys who behave
like self-declared Forth mullahs who shout heresy against
those who don't DUP ROT enough.
>
I realizad that (fortunately) long ago - actually
Stephen Pelc made me realized that (thanks) - see
the old thread "Vector additon" here:
>
 https://groups.google.com/g/comp.lang.forth/c/m9xy5k5BfkY/m/qoq664B9IygJ
>
...and in particular this message:
>
 https://groups.google.com/g/comp.lang.forth/c/m9xy5k5BfkY/m/-SIr9AqdiRsJ
Vector addition, particularly dot products (used in matrix
multiplication),
can produce nasty results due to rounding error accumulation.
My solution was to create a special Kahan summation primitive:
https://en.wikipedia.org/wiki/Kahan_summation_algorithm
--

Date Sujet#  Auteur
6 Oct 24 * Parsing timestamps?282dxf
6 Oct 24 +* Re: Parsing timestamps?245mhx
6 Oct 24 i+* Re: Parsing timestamps?3dxf
6 Oct 24 ii`* Re: Parsing timestamps?2dxf
7 Oct 24 ii `- Re: Parsing timestamps?1dxf
7 Jun 25 i`* Re: Parsing timestamps?241B. Pym
7 Jun 25 i +* Re: Parsing timestamps?225dxf
7 Jun 25 i i`* Re: Parsing timestamps?224LIT
8 Jun 25 i i `* Re: Parsing timestamps?223dxf
9 Jun 25 i i  `* Re: Parsing timestamps?222Hans Bezemer
9 Jun 25 i i   `* Re: Parsing timestamps?221LIT
9 Jun 25 i i    `* Re: Parsing timestamps?220Hans Bezemer
9 Jun 25 i i     `* Re: Parsing timestamps?219LIT
10 Jun 25 i i      +* Re: Parsing timestamps?207dxf
10 Jun 25 i i      i+* Re: Parsing timestamps?2mhx
10 Jun 25 i i      ii`- Re: Parsing timestamps?1dxf
10 Jun 25 i i      i+- Re: Parsing timestamps?1LIT
19 Jun 25 i i      i`* Re: Parsing timestamps?203LIT
20 Jun 25 i i      i `* Re: Parsing timestamps?202dxf
20 Jun 25 i i      i  +* Re: Parsing timestamps?7minforth
20 Jun 25 i i      i  i+* Re: Parsing timestamps?2mhx
20 Jun 25 i i      i  ii`- Re: Parsing timestamps?1albert
20 Jun 25 i i      i  i`* Re: Parsing timestamps?4dxf
20 Jun 25 i i      i  i +- Re: Parsing timestamps?1mhx
20 Jun 25 i i      i  i `* Re: Parsing timestamps?2minforth
21 Jun 25 i i      i  i  `- Re: Parsing timestamps?1dxf
20 Jun 25 i i      i  `* Re: Parsing timestamps?194LIT
21 Jun 25 i i      i   +- Re: Parsing timestamps?1dxf
22 Jun 25 i i      i   +* Re: Parsing timestamps?187minforth
23 Jun 25 i i      i   i+- Re: Parsing timestamps?1dxf
23 Jun 25 i i      i   i+* Re: Parsing timestamps?181Anton Ertl
23 Jun 25 i i      i   ii`* Re: Parsing timestamps?180minforth
24 Jun 25 i i      i   ii +* Re: Parsing timestamps?162minforth
24 Jun 25 i i      i   ii i`* Re: Parsing timestamps?161dxf
24 Jun 25 i i      i   ii i +* Re: Parsing timestamps?13minforth
24 Jun 25 i i      i   ii i i+* Re: Parsing timestamps?2Anton Ertl
1 Jul 25 i i      i   ii i ii`- Re: Parsing timestamps?1Stephen Pelc
26 Jun 25 i i      i   ii i i+* Re: The future. (was Re: Parsing timestamps?)2Paul Rubin
30 Jun 25 i i      i   ii i ii`- Re: The future. (was Re: Parsing timestamps?)1albert
15 Jul 25 i i      i   ii i i`* Re: The future. (was Re: Parsing timestamps?)8LIT
16 Jul 25 i i      i   ii i i `* Re: The future. (was Re: Parsing timestamps?)7minforth
16 Jul 25 i i      i   ii i i  +* Re: The future. (was Re: Parsing timestamps?)5dxf
16 Jul 25 i i      i   ii i i  i+- Re: The future. (was Re: Parsing timestamps?)1minforth
16 Jul 25 i i      i   ii i i  i`* Re: The future. (was Re: Parsing timestamps?)3LIT
17 Jul 25 i i      i   ii i i  i `* Re: The future. (was Re: Parsing timestamps?)2dxf
17 Jul 25 i i      i   ii i i  i  `- Re: The future. (was Re: Parsing timestamps?)1LIT
16 Jul 25 i i      i   ii i i  `- Re: The future. (was Re: Parsing timestamps?)1LIT
25 Jun 25 i i      i   ii i +* Re: Parsing timestamps?12dxf
25 Jun 25 i i      i   ii i i`* Re: Parsing timestamps?11Paul Rubin
26 Jun 25 i i      i   ii i i +- Re: Parsing timestamps?1Paul Rubin
26 Jun 25 i i      i   ii i i `* Re: Parsing timestamps?9dxf
26 Jun 25 i i      i   ii i i  `* Re: Parsing timestamps?8Paul Rubin
27 Jun 25 i i      i   ii i i   `* Re: Parsing timestamps?7dxf
27 Jun 25 i i      i   ii i i    +- Re: Parsing timestamps?1Paul Rubin
2 Jul 25 i i      i   ii i i    `* Re: Parsing timestamps?5dxf
2 Jul 25 i i      i   ii i i     +* Re: Parsing timestamps?2Stephen Pelc
4 Jul 25 i i      i   ii i i     i`- Re: Parsing timestamps?1dxf
6 Jul 25 i i      i   ii i i     `* Re: Parsing timestamps?2LIT
6 Jul 25 i i      i   ii i i      `- Re: Parsing timestamps?1dxf
25 Jun 25 i i      i   ii i +* Re: Parsing timestamps?2Paul Rubin
30 Jun 25 i i      i   ii i i`- Re: Parsing timestamps?1Hans Bezemer
26 Jun 25 i i      i   ii i `* Re: Parsing timestamps?133Waldek Hebisch
26 Jun 25 i i      i   ii i  `* Re: Parsing timestamps?132minforth
26 Jun 25 i i      i   ii i   +* Re: Parsing timestamps?2LIT
27 Jun 25 i i      i   ii i   i`- Re: Parsing timestamps?1minforth
29 Jun 25 i i      i   ii i   `* Re: Parsing timestamps?129Anton Ertl
29 Jun 25 i i      i   ii i    `* Re: Parsing timestamps?128LIT
29 Jun 25 i i      i   ii i     +* Re: Parsing timestamps?123LIT
30 Jun 25 i i      i   ii i     i`* Re: Parsing timestamps?122dxf
30 Jun 25 i i      i   ii i     i `* Re: Parsing timestamps?121LIT
30 Jun 25 i i      i   ii i     i  +* Re: Parsing timestamps?116dxf
30 Jun 25 i i      i   ii i     i  i`* Re: Parsing timestamps?115LIT
30 Jun 25 i i      i   ii i     i  i `* Re: Parsing timestamps?114dxf
30 Jun 25 i i      i   ii i     i  i  +* Re: Parsing timestamps?2LIT
1 Jul 25 i i      i   ii i     i  i  i`- Re: Parsing timestamps?1dxf
30 Jun 25 i i      i   ii i     i  i  `* Re: Parsing timestamps?111Paul Rubin
30 Jun 25 i i      i   ii i     i  i   +* Re: Parsing timestamps?3LIT
2 Jul 25 i i      i   ii i     i  i   i+- Re: Parsing timestamps?1LIT
2 Jul 25 i i      i   ii i     i  i   i`- Re: Parsing timestamps?1Paul Rubin
1 Jul 25 i i      i   ii i     i  i   `* Re: Parsing timestamps?107Paul Rubin
1 Jul 25 i i      i   ii i     i  i    +* Re: Parsing timestamps?18minforth
1 Jul 25 i i      i   ii i     i  i    i`* Re: Parsing timestamps?17Paul Rubin
2 Jul 25 i i      i   ii i     i  i    i +* Re: Parsing timestamps?4minforth
2 Jul 25 i i      i   ii i     i  i    i i+- Re: Parsing timestamps?1minforth
2 Jul 25 i i      i   ii i     i  i    i i+- Re: Parsing timestamps?1dxf
2 Jul 25 i i      i   ii i     i  i    i i`- Re: Parsing timestamps?1Anton Ertl
2 Jul 25 i i      i   ii i     i  i    i `* Re: Parsing timestamps?12Anton Ertl
3 Jul 25 i i      i   ii i     i  i    i  +* Re: Parsing timestamps?8Paul Rubin
3 Jul 25 i i      i   ii i     i  i    i  i+* Re: Parsing timestamps?2minforth
3 Jul 25 i i      i   ii i     i  i    i  ii`- Re: Parsing timestamps?1albert
3 Jul 25 i i      i   ii i     i  i    i  i+* Re: Parsing timestamps?3Hans Bezemer
3 Jul 25 i i      i   ii i     i  i    i  ii`* Re: Parsing timestamps?2albert
5 Jul 25 i i      i   ii i     i  i    i  ii `- Re: Parsing timestamps?1dxf
3 Jul 25 i i      i   ii i     i  i    i  i+- Re: Parsing timestamps?1albert
4 Jul 25 i i      i   ii i     i  i    i  i`- Re: Parsing timestamps?1dxf
3 Jul 25 i i      i   ii i     i  i    i  +* Re: Parsing timestamps?2Anton Ertl
3 Jul 25 i i      i   ii i     i  i    i  i`- Re: Parsing timestamps?1Hans Bezemer
3 Jul 25 i i      i   ii i     i  i    i  `- Re: Parsing timestamps?1dxf
1 Jul 25 i i      i   ii i     i  i    +* Re: Parsing timestamps?5peter
2 Jul 25 i i      i   ii i     i  i    i+* Re: Parsing timestamps?2minforth
2 Jul 25 i i      i   ii i     i  i    ii`- Re: Parsing timestamps?1Anton Ertl
2 Jul 25 i i      i   ii i     i  i    i`* Re: Parsing timestamps?2Paul Rubin
2 Jul 25 i i      i   ii i     i  i    `* Re: Parsing timestamps?83Anton Ertl
30 Jun 25 i i      i   ii i     i  `* Re: Parsing timestamps?4Paul Rubin
29 Jun 25 i i      i   ii i     +* Re: Parsing timestamps?3Paul Rubin
30 Jun 25 i i      i   ii i     `- Re: Parsing timestamps?1sean
24 Jun 25 i i      i   ii +- Re: Parsing timestamps?1Anton Ertl
2 Jul 25 i i      i   ii `* Nested definitions (was: Parsing timestamps?)16Ruvim
23 Jun 25 i i      i   i`* Re: Parsing timestamps?4mhx
23 Jun 25 i i      i   `* Re: Parsing timestamps?5LIT
10 Jun 25 i i      +* Re: Parsing timestamps?2LIT
10 Jun 25 i i      +* Re: Parsing timestamps?2LIT
10 Jun 25 i i      +* Re: Parsing timestamps?2Stephen Pelc
10 Jun 25 i i      +* Re: Parsing timestamps?4LIT
10 Jun 25 i i      `- Re: Parsing timestamps?1Hans Bezemer
9 Jun 25 i +- Re: Parsing timestamps?1B. Pym
10 Jun 25 i `* Re: Parsing timestamps?14B. Pym
6 Oct 24 +* Re: Parsing timestamps?5Ruvim
6 Oct 24 +* Re: Parsing timestamps?6FFmike
6 Oct 24 +* Re: Parsing timestamps?2Anthony Howe
7 Oct 24 +* Re: Parsing timestamps?9albert
8 Oct 24 +* Re: Parsing timestamps?3albert
9 Oct 24 +* Re: Parsing timestamps?4alaa
18 Oct 24 `* Re: Parsing timestamps?7Gerry Jackson

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