From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Mark H Weaver Newsgroups: gmane.lisp.guile.bugs Subject: bug#26165: date-week-day screws up prior to AD 1 Date: Sun, 21 Oct 2018 16:41:06 -0400 Message-ID: <87o9bnyqvx.fsf@netris.org> References: <20170318234528.GL6518@fysh.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540154417 15881 195.159.176.226 (21 Oct 2018 20:40:17 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 21 Oct 2018 20:40:17 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) Cc: 26165-done@debbugs.gnu.org To: Zefram Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Sun Oct 21 22:40:13 2018 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gEKW9-0003wE-BK for guile-bugs@m.gmane.org; Sun, 21 Oct 2018 22:40:09 +0200 Original-Received: from localhost ([::1]:60144 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEKYF-0006D9-Hw for guile-bugs@m.gmane.org; Sun, 21 Oct 2018 16:42:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43008) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gEKY2-0006Be-9X for bug-guile@gnu.org; Sun, 21 Oct 2018 16:42:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gEKXy-0001Kc-UW for bug-guile@gnu.org; Sun, 21 Oct 2018 16:42:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:58593) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gEKXy-0001KS-PA for bug-guile@gnu.org; Sun, 21 Oct 2018 16:42:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gEKXy-0006BY-LO for bug-guile@gnu.org; Sun, 21 Oct 2018 16:42:02 -0400 Resent-From: Mark H Weaver Original-Sender: "Debbugs-submit" Resent-To: bug-guile@gnu.org Resent-Date: Sun, 21 Oct 2018 20:42:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 26165 X-GNU-PR-Package: guile X-GNU-PR-Keywords: Mail-Followup-To: 26165@debbugs.gnu.org, mhw@netris.org, zefram@fysh.org Original-Received: via spool by 26165-done@debbugs.gnu.org id=D26165.154015448723726 (code D ref 26165); Sun, 21 Oct 2018 20:42:02 +0000 Original-Received: (at 26165-done) by debbugs.gnu.org; 21 Oct 2018 20:41:27 +0000 Original-Received: from localhost ([127.0.0.1]:34616 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gEKXP-0006Ac-CF for submit@debbugs.gnu.org; Sun, 21 Oct 2018 16:41:27 -0400 Original-Received: from world.peace.net ([64.112.178.59]:59812) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gEKXN-0006AO-O2 for 26165-done@debbugs.gnu.org; Sun, 21 Oct 2018 16:41:26 -0400 Original-Received: from mhw by world.peace.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1gEKXI-0001kk-1e; Sun, 21 Oct 2018 16:41:20 -0400 In-Reply-To: <20170318234528.GL6518@fysh.org> (Zefram's message of "Sat, 18 Mar 2017 23:45:28 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: "bug-guile" Xref: news.gmane.org gmane.lisp.guile.bugs:9232 Archived-At: Zefram 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 = # > 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