GNU bug report logs - #41347
28.0.50; calculator.el: Cannot input negative exponents

Previous Next

Package: emacs;

Reported by: Chris Zheng <chriszheng99 <at> gmail.com>

Date: Sun, 17 May 2020 05:54:02 UTC

Severity: normal

Found in version 28.0.50

Done: Mattias Engdegård <mattiase <at> acm.org>

Bug is archived. No further changes may be made.

Full log

Message #14 received at 41347 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattiase <at> acm.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 41347 <at> debbugs.gnu.org, Chris Zheng <chriszheng99 <at> gmail.com>,
 Eli Barzilay <eli <at> barzilay.org>
Subject: Re: bug#41347: 28.0.50; calculator.el: Cannot input negative exponents
Date: Sun, 17 May 2020 14:18:24 +0200

17 maj 2020 kl. 13.57 skrev Andreas Schwab <schwab <at> linux-m68k.org>:

> In commit f248292ede, there was
> 
> -                ((string-match-p "[eE][+-]?$" str) (concat str "0"))
> 
> so the bug is that the part matching "[+-]?" is now dropped.

In the commit you refer to, read-from-string was used; a partial input like "1e" had to be completed with an extra "0" to make the result a (floating-point) number. This no longer appears necessary since we use string-to-number and convert integers to float.
This bug report was last modified 5 years and 5 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.