GNU bug report logs - #25652
26.0.50; [calc] In Units Simplication + Degree mode cos(1 deg) != cos(1)

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Package: emacs;

Reported by: Torsten Bronger <bronger <at> physik.rwth-aachen.de>

Date: Wed, 8 Feb 2017 07:39:02 UTC

Severity: normal

Tags: confirmed

Found in version 26.0.50

Done: Tino Calancha <tino.calancha <at> gmail.com>

Bug is archived. No further changes may be made.

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From: npostavs <at> users.sourceforge.net
To: 25652 <at> debbugs.gnu.org
Cc: Torsten Bronger <bronger <at> physik.rwth-aachen.de>
Subject: bug#25652: 26.0.50; calc says that cos(1 degree) is 0.54
Date: Thu, 09 Feb 2017 09:06:27 -0500

Torsten Bronger <bronger <at> physik.rwth-aachen.de> writes:

> Hallöchen!
>
> Okay, I have one computer on which I can reproduce this bug
> reliably, with "emacs -q" and a fresh checkout.  And another
> computer on which the bug does not occur.  The most significant
> difference is Ubuntu 16.04 vs Ubuntu 16.10.

Does it happen also with "emacs -Q"?  I think the uppercase version
disables a few more customizations.

Anyway, I suggest instrumenting calc-cos and stepping with edebug until
something weird happens.

PS: you have "Mail-Followup-To: bug-gnu-emacs <at> gnu.org" in your headers
which is wrong, because followups should go to 25652 <at> debbugs.gnu.org, so
I ignored that and the "Mail-Copies-To: never" header.
This bug report was last modified 8 years and 64 days ago.

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