GNU bug report logs - #918
In CVS Emacs, calc-eval gives multiplication higher precidence than division

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Package: emacs;

Reported by: Francis Litterio <flitterio <at> gmail.com>

Date: Sun, 7 Sep 2008 18:30:03 UTC

Severity: normal

Merged with 914, 915, 920, 921, 923, 924, 928, 929, 930, 932, 933, 934, 937, 941, 944

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-submit-list <at> lists.donarmstrong.com, Emacs Bugs <bug-gnu-emacs <at> gnu.org>:
bug#918; Package emacs. Full text and rfc822 format available.
Acknowledgement sent to Francis Litterio <flitterio <at> gmail.com>:
New bug report received and forwarded. Copy sent to Emacs Bugs <bug-gnu-emacs <at> gnu.org>. Full text and rfc822 format available.

Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Francis Litterio <flitterio <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: emacs-devel <at> gnu.org
Subject: Re: In CVS Emacs, calc-eval gives multiplication higher precidence than division
Date: Sun, 07 Sep 2008 14:15:35 -0400

Jay Belanger wrote:

> Francis Litterio writes:
> ...
>> In CVS Emacs, function calc-eval (in lisp/calc/calc.el) gives
>> multiplication higher precidence than division.
>
> That's not a bug.  While many systems give division a higher precendence
> than multiplication, that isn't a universal rule.  Calc has always given
> multiplication a higher precendence, and something like
> 1 / 2 * 1000
> can be viewed as shorthand for
>    1
> --------
> 2 * 1000
> Some people don't like this, some people do, but this choice is
> established Calc behavior and is highlighted in the manual.  To divide
> first, it's probably better style regardless to put in the parentheses:
> (1 / 2) * 1000

Thanks, Jay.

My apologies for rehashing old news.  I just discovered the discussion
thread at:

	http://thread.gmane.org/gmane.emacs.devel/69436
--
Fran
bug closed, send any further explanations to Francis Litterio <flitterio <at> gmail.com> Request was from Chong Yidong <cyd <at> stupidchicken.com> to control <at> emacsbugs.donarmstrong.com. (Sun, 07 Sep 2008 20:35:06 GMT) Full text and rfc822 format available.
Merged 918 920. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Sun, 07 Sep 2008 20:50:07 GMT) Full text and rfc822 format available.
Forcibly Merged 914 915 918 920 921 923 924. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Mon, 08 Sep 2008 02:25:06 GMT) Full text and rfc822 format available.
Forcibly Merged 914 915 918 920 921 923 924 928 929 930. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Mon, 08 Sep 2008 20:35:04 GMT) Full text and rfc822 format available.
Forcibly Merged 914 915 918 920 921 923 924 928 929 930 932 933. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Mon, 08 Sep 2008 21:00:06 GMT) Full text and rfc822 format available.
Forcibly Merged 914 915 918 920 921 923 924 928 929 930 932 933 934. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Mon, 08 Sep 2008 21:00:09 GMT) Full text and rfc822 format available.
Forcibly Merged 914 915 918 920 921 923 924 928 929 930 932 933 934 937. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Mon, 08 Sep 2008 22:30:03 GMT) Full text and rfc822 format available.
Forcibly Merged 914 915 918 920 921 923 924 928 929 930 932 933 934 937 941 944. Request was from "Juanma Barranquero" <lekktu <at> gmail.com> to control <at> emacsbugs.donarmstrong.com. (Tue, 09 Sep 2008 14:50:07 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <don <at> donarmstrong.com> to internal_control <at> emacsbugs.donarmstrong.com. (Wed, 08 Oct 2008 14:24:03 GMT) Full text and rfc822 format available.
This bug report was last modified 16 years and 255 days ago.

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