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Date: Fri, 30 Aug 2019 12:04:35 -0300 Message-ID: Subject: Re: bug#37235: 26.1; Precedence error in calc-eval To: Charles Karney Content-Type: multipart/alternative; boundary="0000000000008103e0059156f149" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 37235 Cc: 37235@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) --0000000000008103e0059156f149 Content-Type: text/plain; charset="UTF-8" tags 37235 notabug quit Charles Karney via "Bug reports for GNU Emacs, the Swiss army knife of text editors" writes: > In GNU Emacs 26.1 (build 1, x86_64-redhat-linux-gnu, GTK+ Version 3.23.2) > of 2018-08-13 built on buildvm-13.phx2.fedoraproject.org > Windowing system distributor 'Fedora Project', version 11.0.12004000 > System Description: Fedora release 29 (Twenty Nine) > > The precedence of calc-eval doesn't follow C-like rules. > > (calc-eval "1/2*3") returns "0.166666666667" > > returning the same answer as (calc-eval "1/2/3"). It should return > "1.5". > It works as documented in the Calc manual, section 5.15 Formulas: C-h i m calc RET 5 m formulas RET Calc gives '/' lower precedence than '*' by default. To make Calc follow C-like rules, you can set it with the command calc-c-language. You can read its documentation with: C-h i m calc RET i calc-c-language Best regards, Mauro. --0000000000008103e0059156f149 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
tags 37235 notabug
quit

Charles Karney via "= ;Bug reports for GNU Emacs, the Swiss army knife of
text editors" &= lt;bug-gnu-emacs@gnu.org> w= rites:

> In GNU Emacs 26.1 (build 1, x86_64-redhat-linux-gnu, GTK= + Version 3.23.2)
> =C2=A0 of 2018-08-13 built on buildvm-13.phx2.fedoraproject.org
= > Windowing system distributor 'Fedora Project', version 11.0.12= 004000
> System Description: Fedora release 29 (Twenty Nine)
><= br>> The precedence of calc-eval doesn't follow C-like rules.
>= ;
> =C2=A0 =C2=A0(calc-eval "1/2*3") returns "0.166666= 666667"
>
> returning the same answer as (calc-eval "= 1/2/3").=C2=A0 It should return
> "1.5".
>
It works as documented in the Calc manual, section 5.15 Formulas:
C-h = i m calc RET 5 m formulas RET

Calc gives '/' lower precedenc= e than '*' by default.

To make Calc follow C-like rules, you= can set it with the command
calc-c-language.=C2=A0 You can read its doc= umentation with:
C-h i m calc RET i calc-c-language


Best rega= rds,
Mauro.
--0000000000008103e0059156f149-- From debbugs-submit-bounces@debbugs.gnu.org Fri Aug 30 11:07:22 2019 Received: (at submit) by debbugs.gnu.org; 30 Aug 2019 15:07:22 +0000 Received: from localhost ([127.0.0.1]:54739 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i3iUk-0004ue-IC for submit@debbugs.gnu.org; Fri, 30 Aug 2019 11:07:22 -0400 Received: from lists.gnu.org ([209.51.188.17]:58754) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i3iUg-0004uV-L6 for submit@debbugs.gnu.org; Fri, 30 Aug 2019 11:07:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42411) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i3iUf-0006Pj-GC for bug-gnu-emacs@gnu.org; Fri, 30 Aug 2019 11:07:18 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, URIBL_BLOCKED autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i3iUb-0001Bs-9B for bug-gnu-emacs@gnu.org; Fri, 30 Aug 2019 11:07:14 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:42909) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i3iUa-0000zg-Vv for bug-gnu-emacs@gnu.org; Fri, 30 Aug 2019 11:07:13 -0400 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 46KjWL0969z1rFDl; Fri, 30 Aug 2019 17:07:09 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 46KjWK5fd9z1qqkD; Fri, 30 Aug 2019 17:07:09 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id 7dVIa9imhqWT; Fri, 30 Aug 2019 17:07:09 +0200 (CEST) X-Auth-Info: cezJvu4CjP3RwPBDy9bxae6+VuJVP7GJVVY/o0QNYMjnWM9Gl2Zv6IMYgr8IKoWC Received: from igel.home (ppp-46-244-185-201.dynamic.mnet-online.de [46.244.185.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 30 Aug 2019 17:07:09 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 44A032C011C; Fri, 30 Aug 2019 17:07:08 +0200 (CEST) From: Andreas Schwab To: Charles Karney via "Bug reports for GNU Emacs\, the Swiss army knife of text editors" Subject: Re: bug#37235: 26.1; Precedence error in calc-eval References: <857abb8d-8da0-82b2-d50d-01d57b4be681@sri.com> X-Yow: An INK-LING? Sure -- TAKE one!! Did you BUY any COMMUNIST UNIFORMS?? Date: Fri, 30 Aug 2019 17:07:08 +0200 In-Reply-To: <857abb8d-8da0-82b2-d50d-01d57b4be681@sri.com> (Charles Karney via's message of "Fri, 30 Aug 2019 13:41:32 +0000") Message-ID: <87ef124rqb.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.18.0.9 X-Spam-Score: -1.1 (-) X-Debbugs-Envelope-To: submit Cc: 37235@debbugs.gnu.org, Charles Karney X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.1 (--) On Aug 30 2019, Charles Karney via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote: > The precedence of calc-eval doesn't follow C-like rules. > > (calc-eval "1/2*3") returns "0.166666666667" > > returning the same answer as (calc-eval "1/2/3"). It should return > "1.5". It is documented that multiplication has higher precedence than devision (see (calc) Formulas). Calc is following the rules of Algebra. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." From debbugs-submit-bounces@debbugs.gnu.org Fri Aug 30 11:27:05 2019 Received: (at 37235) by debbugs.gnu.org; 30 Aug 2019 15:27:05 +0000 Received: from localhost ([127.0.0.1]:54753 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i3ino-0007Tc-VU for submit@debbugs.gnu.org; Fri, 30 Aug 2019 11:27:05 -0400 Received: from mail-io1-f48.google.com ([209.85.166.48]:45247) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i3inn-0007T8-0b for 37235@debbugs.gnu.org; Fri, 30 Aug 2019 11:27:03 -0400 Received: by mail-io1-f48.google.com with SMTP id t3so14696855ioj.12 for <37235@debbugs.gnu.org>; Fri, 30 Aug 2019 08:27:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=6Yp0znpKuzGTv/KHYJAbBGkckC9GG2O4qbaobNhMQkQ=; b=ldZHxZjc2RgE/UAuIqT0JRyqQEzPxHn/1kO2ld9ZPhWW7hBy1LRfZbjseIhZycFUNO eQuIezL3zKR5TrVFdmvlFwXXk2It9gk1UbJP2gaB2O8ZnRI0CAhwsQ7Z05qzmpZP4M3P SJfL3yagayY6OIojR5Q+ufrLqCDlmSaRnepn2Ic4nYrWY4QYaXHBAuTJ3PAmd4FqrpXj POekatxqjzINIUT6K+Tgzmyn2GLJqyFjik4bbwpQczVknZrL75ilp8CpgCt+Sl9hk1GJ 0yiX4G1NgY82Tmw7W0P40yAfN8baXBRuUtQHo6MhiTeyDSv07KdZhuvBM+cqyCft6cBB PLuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=6Yp0znpKuzGTv/KHYJAbBGkckC9GG2O4qbaobNhMQkQ=; b=Xn3qfzuPlw8H3diEoWpAvzRhYBq8xhMco+UBq7cdHUajsdqM7jaStnfGpalBprIJ55 oaByKBeD2i+AI+bGhsvs8neX8jiWQe4t34ift3T6qGGKNnNoqkkqlRSKjMsizWAhxaIn 17Js/8IyqGPykmmNZRYdNfekxX2sohAKLPfJtcOiZBFUlFBzvh4n7Ut6KWbpA+m3oQYf F8bwFtvhQfizk51JUp/WwZ7gvEO7NIjE8Hy/LnQmXwXUBmnvF8+f9TSP6GrfK/hsg8Qp EjzOEIVa7NPtPZbhk4fG0k+4kHZArBXQRi01ZGSqsCddPBbUAVEk5Gqb3Vd3mE/Qy3VO 8Zsg== X-Gm-Message-State: APjAAAWvJR8UfySEk9KHptzn0IFT+rOOFDAurV0FH9rExzKf5SKUoORV tBX2tvd4tca43nhx8TDy1oqZ0JCm X-Google-Smtp-Source: APXvYqxe43lk/WxWfNeaCZHeP/3C9ewxOZL0HAQ2oW18bbkTr029RGinVw2eDBuZJCSzdkD+PeBNCA== X-Received: by 2002:a6b:8e0f:: with SMTP id q15mr1938723iod.186.1567178817272; Fri, 30 Aug 2019 08:26:57 -0700 (PDT) Received: from vhost2 (CPE001143542e1f-CMf81d0f809fa0.cpe.net.cable.rogers.com. [99.230.38.42]) by smtp.gmail.com with ESMTPSA id t5sm5119939ios.33.2019.08.30.08.26.56 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 30 Aug 2019 08:26:56 -0700 (PDT) From: Noam Postavsky To: Mauro Aranda Subject: Re: bug#37235: 26.1; Precedence error in calc-eval References: <857abb8d-8da0-82b2-d50d-01d57b4be681@sri.com> Date: Fri, 30 Aug 2019 11:26:57 -0400 In-Reply-To: (Mauro Aranda's message of "Fri, 30 Aug 2019 12:04:35 -0300") Message-ID: <85r252ishq.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (windows-nt) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 37235 Cc: Charles Karney , 37235@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Mauro Aranda writes: >> >> The precedence of calc-eval doesn't follow C-like rules. >> >> (calc-eval "1/2*3") returns "0.166666666667" >> >> returning the same answer as (calc-eval "1/2/3"). It should return >> "1.5". >> > > It works as documented in the Calc manual, section 5.15 Formulas: > C-h i m calc RET 5 m formulas RET > > Calc gives '/' lower precedence than '*' by default. Also see (info "(calc) Basic Arithmetic"), > To make Calc follow C-like rules, you can set it with the command > calc-c-language. You can read its documentation with: > C-h i m calc RET i calc-c-language which mentions calc-multiplication-has-precedence. From debbugs-submit-bounces@debbugs.gnu.org Sun Sep 15 23:06:27 2019 Received: (at 37235-done) by debbugs.gnu.org; 16 Sep 2019 03:06:28 +0000 Received: from localhost ([127.0.0.1]:48974 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i9hLN-0006qV-Sp for submit@debbugs.gnu.org; Sun, 15 Sep 2019 23:06:27 -0400 Received: from mail-pg1-f179.google.com ([209.85.215.179]:37451) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i9hLL-0006qC-Ir for 37235-done@debbugs.gnu.org; Sun, 15 Sep 2019 23:06:24 -0400 Received: by mail-pg1-f179.google.com with SMTP id c17so11144469pgg.4 for <37235-done@debbugs.gnu.org>; Sun, 15 Sep 2019 20:06:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WJ5IaTmywIUe7cm9skkCMM+K1oGQ1bwHtB6H9pWnZkk=; b=FcvwfTZBaVrq3WpfIizuY06TFnXxrki6XkF2UP4BzKGN2ip/FXOmc/1ikRztf/LEFf ywt2KrXiIc1+iA2mKWoGxRN/cOt2j8tPld4hdBMbUIry1lXO34ZasqgyiAydgPfZ5o5o ivoKxhPeC1UAuqMkoIppYMiq/SeOZzf3IXZd2OtqFODk5jYSYn5K6upiGcw6AXVBCqKF MHYuE8c+DnVBfyuPV9o5BqJTa+1Erl3KbUVdpPkhAkuZ2GQk73qwYC1UDgPWZhrcnu84 XBFzZ2zG7wQWyd0rumoLN8in+gPvihKZrXX4kCS4H0oa2uToGz6ucqhUXn3B3BrUYFM3 34Gw== X-Gm-Message-State: APjAAAVvq76SdkPOD1Jw5gcPz0owgcGGC/JHQFQ4tEgAvv6nUVuVz5wL 30WrqWUAQyr0Yf+W5NVucjQWlLHndpo37X/DXp8= X-Google-Smtp-Source: APXvYqwYIBLRMGCQkKvpoEGFTiiAmsuwrd0XXm0D3ogCqujX/H3o+GLBNGt0qy6jE+uPM7LEnjD10gTPROW3xYJcMVQ= X-Received: by 2002:a17:90a:8d0c:: with SMTP id c12mr18384625pjo.119.1568603177941; Sun, 15 Sep 2019 20:06:17 -0700 (PDT) MIME-Version: 1.0 References: <857abb8d-8da0-82b2-d50d-01d57b4be681@sri.com> In-Reply-To: From: Stefan Kangas Date: Mon, 16 Sep 2019 05:06:07 +0200 Message-ID: Subject: Re: bug#37235: 26.1; Precedence error in calc-eval To: Mauro Aranda Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.5 (/) X-Debbugs-Envelope-To: 37235-done Cc: Charles Karney , 37235-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.5 (/) Mauro Aranda writes: > > tags 37235 notabug > quit > > Charles Karney via "Bug reports for GNU Emacs, the Swiss army knife of > text editors" writes: > > > In GNU Emacs 26.1 (build 1, x86_64-redhat-linux-gnu, GTK+ Version 3.23.2) > > of 2018-08-13 built on buildvm-13.phx2.fedoraproject.org > > Windowing system distributor 'Fedora Project', version 11.0.12004000 > > System Description: Fedora release 29 (Twenty Nine) > > > > The precedence of calc-eval doesn't follow C-like rules. > > > > (calc-eval "1/2*3") returns "0.166666666667" > > > > returning the same answer as (calc-eval "1/2/3"). It should return > > "1.5". > > > > It works as documented in the Calc manual, section 5.15 Formulas: > C-h i m calc RET 5 m formulas RET > > Calc gives '/' lower precedence than '*' by default. > > To make Calc follow C-like rules, you can set it with the command > calc-c-language. You can read its documentation with: > C-h i m calc RET i calc-c-language Since this is notabug, I'm also closing it. Best regards, Stefan Kangas From unknown Sun Jun 22 08:04:46 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Mon, 14 Oct 2019 11:24:12 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator