From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Jay Belanger Newsgroups: gmane.emacs.bugs Subject: bug#4031: calc simplification problem Date: Tue, 04 Aug 2009 19:44:52 -0500 Message-ID: <87d47b2inv.fsf@gmail.com> References: <1b97198a0908040728u21355fccjd9e7c485958ba471@mail.gmail.com> Reply-To: jay.p.belanger@gmail.com, 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 1249434429 21129 80.91.229.12 (5 Aug 2009 01:07:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Aug 2009 01:07:09 +0000 (UTC) Cc: 4031@emacsbugs.donarmstrong.com, bug-gnu-emacs@gnu.org To: Colin Williams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Aug 05 03:07:02 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 1MYUy5-0003Ql-86 for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Aug 2009 03:07:01 +0200 Original-Received: from localhost ([127.0.0.1]:46500 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MYUy4-0003pP-Fq for geb-bug-gnu-emacs@m.gmane.org; Tue, 04 Aug 2009 21:07:00 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MYUxz-0003ok-Ol for bug-gnu-emacs@gnu.org; Tue, 04 Aug 2009 21:06:55 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MYUxv-0003o0-6G for bug-gnu-emacs@gnu.org; Tue, 04 Aug 2009 21:06:55 -0400 Original-Received: from [199.232.76.173] (port=37719 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MYUxu-0003nx-Vy for bug-gnu-emacs@gnu.org; Tue, 04 Aug 2009 21:06:51 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:58331) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MYUxu-0000DM-5s for bug-gnu-emacs@gnu.org; Tue, 04 Aug 2009 21:06:50 -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 n7516lkW009055; Tue, 4 Aug 2009 18:06:48 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.14.3/8.14.3/Submit) id n750oLZU007127; Tue, 4 Aug 2009 17:50:21 -0700 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Jay Belanger Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Wed, 05 Aug 2009 00:50:21 +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=B4031.12494331096509 (code B ref 4031); Wed, 05 Aug 2009 00:50:21 +0000 Original-Received: (at 4031) by emacsbugs.donarmstrong.com; 5 Aug 2009 00:45:09 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from s1.cableone.net (s1.cableone.net [24.116.0.227]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n750j3HG006373 for <4031@emacsbugs.donarmstrong.com>; Tue, 4 Aug 2009 17:45:05 -0700 Original-Received: from belanger (unverified [24.116.73.151]) by s1.cableone.net (CableOne SMTP Service s1) with ESMTP id 19983383-1872270 for multiple; Tue, 04 Aug 2009 17:44:53 -0700 In-Reply-To: <1b97198a0908040728u21355fccjd9e7c485958ba471@mail.gmail.com> (Colin Williams's message of "Tue, 4 Aug 2009 10:28:58 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) X-Vpipe: Scanner said ok (av_avast) X-NotAscii: charset=us-ascii X-IP-stats: Incoming Last 2, First 380, in=103, out=0, spam=0 ip=24.116.73.151 X-Originating-IP: 24.116.73.151 X-Abuse-Info: Send abuse complaints to abuse@cableone.net X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Resent-Date: Tue, 04 Aug 2009 21:06:55 -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:29884 Archived-At: Colin Williams writes: > 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. Jay