Subject: bug#4031 closed by Jay Belanger <[email-masked]> (reply to [email-masked]) (Re: calc simplification problem)

From: [email-masked] (Emacs bug Tracking System)
Date: Sat, 24 Oct 2009 21:05:06 +0000

This is an automatic notification regarding your bug report
which was filed against the emacs package:

#4031: calc simplification problem

It has been closed by Jay Belanger <[email-masked]> (reply to [email-masked]).

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Jay Belanger <[email-masked]> (reply to [email-masked]) by
replying to this email.

-- 
4031: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4031
Emacs Bug Tracking System
Contact [email-masked] with problems

Subject: Re: calc simplification problem
From: Jay Belanger <[email-masked]>
To: [email-masked]
Cc: [email-masked]
Date: Sat, 24 Oct 2009 15:58:10 -0500

> 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.

The simplification rules were adjusted, and the example was changed to
match the rules.

Subject: calc simplification problem
From: Colin Williams <[email-masked]>
To: [email-masked]
Date: Tue, 4 Aug 2009 10:28:58 -0400

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.

Colin