GNU bug report logs - #44336
27.1; Calculator doesn't recognize negative exponent in exponent notation

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Nicholas Harrison <nicholasharrison222 <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1;
 Calculator doesn't recognize negative exponent in exponent notation
Date: Fri, 30 Oct 2020 12:31:17 -0600

[Message part 1 (text/plain, inline)]

Steps to reproduce:
`M-x calculator RET`
`2e-3 RET`

Expected behavior:
Shows the value 0.002

Actual behavior:
Shows the value 2

Other notes:
Any subsequent calculations use the incorrect value of 2. Positive
exponents, such as 2e3, work as expected. Negative exponents do work
properly in
the other calculator mode reached through `M-x calc RET`.

--System Info--
In GNU Emacs 27.1 (build 1, x86_64-w64-mingw32)
 of 2020-08-21 built on CIRROCUMULUS
Repository revision: 86d8d76aa36037184db0b2897c434cdaab1a9ae8
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.19041
System Description: Microsoft Windows 10 Home (v10.0.2004.19041.572)

Recent messages:
[yas] Prepared just-in-time loading of snippets successfully.
For information about GNU Emacs and the GNU system, type C-h C-a.
forward-sentence: End of buffer
Hit ‘?’ For a quick help screen.
Welcome to the GNU Emacs Calculator!  Press ‘?’ or ‘h’ for help, ‘q’ to quit
Working... [3 times]
Making completion list...
Quit
Making completion list...

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: ENU
  locale-coding-system: cp1252

Major mode: Calculator

Minor modes in effect:
  pyvenv-mode: t
  shell-dirtrack-mode: t
  global-linum-mode: t
  linum-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

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Memory information:
((conses 16 299822 11346)
 (symbols 48 23443 1)
 (strings 32 95340 2310)
 (string-bytes 1 2613219)
 (vectors 16 29471)
 (vector-slots 8 376248 12726)
 (floats 8 144 253)
 (intervals 56 418 0)
 (buffers 1000 15))

[Message part 2 (text/html, inline)]

Message #8 received at 44336 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Nicholas Harrison <nicholasharrison222 <at> gmail.com>
Cc: 44336 <at> debbugs.gnu.org
Subject: Re: bug#44336: 27.1;
 Calculator doesn't recognize negative exponent in exponent notation
Date: Fri, 30 Oct 2020 21:09:29 +0200

> From: Nicholas Harrison <nicholasharrison222 <at> gmail.com>
> Date: Fri, 30 Oct 2020 12:31:17 -0600
> 
> Steps to reproduce:
> `M-x calculator RET`
> `2e-3 RET`
> 
> Expected behavior:
> Shows the value 0.002
> 
> Actual behavior:
> Shows the value 2

Thanks, this is already fixed on the master branch (which will become
Emacs 28).

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