From: Mark H Weaver <mhw@netris.org>
To: Zefram <zefram@fysh.org>
Cc: 26165-done@debbugs.gnu.org
Subject: bug#26165: date-week-day screws up prior to AD 1
Date: Sun, 21 Oct 2018 16:41:06 -0400 [thread overview]
Message-ID: <87o9bnyqvx.fsf@netris.org> (raw)
In-Reply-To: <20170318234528.GL6518@fysh.org> (Zefram's message of "Sat, 18 Mar 2017 23:45:28 +0000")
Zefram <zefram@fysh.org> writes:
> Looking at day of the week, via SRFI-19's date-week-day:
>
> scheme@(guile-user)> (use-modules (srfi srfi-19))
> scheme@(guile-user)> (julian-day->date 1721426 0)
> $1 = #<date nanosecond: 0 second: 0 minute: 0 hour: 12 day: 1 month: 1 year: 1 zone-offset: 0>
> scheme@(guile-user)> (date-week-day (julian-day->date 1721426 0))
> $2 = 1
> scheme@(guile-user)> (date-week-day (julian-day->date 1721425 0))
> $3 = 6
>
> The output for 0001-01-01, Monday, is correct. The preceding day is
> actually a Sunday, but Saturday was shown. Looking at the code, this
> bug arises for the same reason as the problem with date-year-day raised
> in bug#26151.
This is fixed by commit a58c7abd72648f77e4ede5f62a2c4e7969bb7f95 on the
stable-2.2 branch. I'm closing this bug now, but please reopen if
appropriate.
Thanks!
Mark
prev parent reply other threads:[~2018-10-21 20:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-18 23:45 bug#26165: date-week-day screws up prior to AD 1 Zefram
2017-03-19 1:01 ` Zefram
2018-10-21 20:41 ` Mark H Weaver [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/guile/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87o9bnyqvx.fsf@netris.org \
--to=mhw@netris.org \
--cc=26165-done@debbugs.gnu.org \
--cc=zefram@fysh.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).