From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#4031: calc simplification problem Date: Sat, 24 Oct 2009 15:27:55 -0400 Message-ID: <87hbtoegn8.fsf@stupidchicken.com> Reply-To: Chong Yidong , 4031@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1256413666 18707 80.91.229.12 (24 Oct 2009 19:47:46 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 24 Oct 2009 19:47:46 +0000 (UTC) Cc: 4031@emacsbugs.donarmstrong.com, Colin Williams To: Jay Belanger Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Oct 24 21:47:38 2009 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1N1maP-0001wu-2u for geb-bug-gnu-emacs@m.gmane.org; Sat, 24 Oct 2009 21:47:38 +0200 Original-Received: from localhost ([127.0.0.1]:51898 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N1maO-0003tQ-HR for geb-bug-gnu-emacs@m.gmane.org; Sat, 24 Oct 2009 15:47:36 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1N1maB-0003o7-Fh for bug-gnu-emacs@gnu.org; Sat, 24 Oct 2009 15:47:23 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1N1ma4-0003lp-Pz for bug-gnu-emacs@gnu.org; Sat, 24 Oct 2009 15:47:22 -0400 Original-Received: from [199.232.76.173] (port=42899 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1N1ma4-0003ld-Hs for bug-gnu-emacs@gnu.org; Sat, 24 Oct 2009 15:47:16 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:39815) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1N1ma3-0001Ud-Vm for bug-gnu-emacs@gnu.org; Sat, 24 Oct 2009 15:47:16 -0400 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n9OJlDjU031925; Sat, 24 Oct 2009 12:47:13 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.14.3/8.14.3/Submit) id n9OJZ5ju030027; Sat, 24 Oct 2009 12:35:05 -0700 Resent-Date: Sat, 24 Oct 2009 12:35:05 -0700 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Chong Yidong Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs 2Resent-Date: Sat, 24 Oct 2009 19:35:05 +0000 Resent-Message-ID: Resent-Sender: owner@emacsbugs.donarmstrong.com X-Emacs-PR-Message: followup 4031 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 4031-submit@emacsbugs.donarmstrong.com id=B4031.125641248229261 (code B ref 4031); Sat, 24 Oct 2009 19:35:05 +0000 Original-Received: (at 4031) by emacsbugs.donarmstrong.com; 24 Oct 2009 19:28:02 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from pantheon-po39.its.yale.edu (pantheon-po39.its.yale.edu [130.132.50.100]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n9OJS1p2029258 for <4031@emacsbugs.donarmstrong.com>; Sat, 24 Oct 2009 12:28:02 -0700 Original-Received: from furry (dhcp128036014244.central.yale.edu [128.36.14.244]) (authenticated bits=0) by pantheon-po39.its.yale.edu (8.12.11.20060308/8.12.11) with ESMTP id n9OJRt2u002916 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sat, 24 Oct 2009 15:27:55 -0400 Original-Received: by furry (Postfix, from userid 1000) id AC716C070; Sat, 24 Oct 2009 15:27:55 -0400 (EDT) X-YaleITSMailFilter: Version 1.2c (attachment(s) not renamed) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Resent-Date: Sat, 24 Oct 2009 15:47:22 -0400 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:32211 Archived-At: Jay Belanger wrote: > > In calc, doing `a s' simplifies "(1 + cos(x)^2 - 1) / cos(x)" to > > "cos(x)^2 sec(x)", which contradicts an example in the tutorial on > > rewrite rules. > So it does. Calc needs to simplify expressions with secant (and > cosecant and cotangent) better. I'll be out of town for the next week; > I'll fix it as soon as I get back. Hi Jay, Did you get around to fixing this? If so, this bug should be closed.