GNU bug report logs - #32463
27.0.50; (logior -1) => 4611686018427387903

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Package: emacs;

Reported by: Katsumi Yamaoka <yamaoka <at> jpl.org>

Date: Fri, 17 Aug 2018 03:31:02 UTC

Severity: normal

Found in version 27.0.50

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #65 received at 32463 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Andy Moreton <andrewjmoreton <at> gmail.com>
Cc: 32463 <at> debbugs.gnu.org
Subject: Re: bug#32463: 27.0.50; (logior -1) => 4611686018427387903
Date: Sun, 19 Aug 2018 03:52:55 -0700

[Message part 1 (text/plain, inline)]
>> a) A bug in bignumcompare for 64bit Windows. Patch is here:
>> http://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00487.html
>> ...
>> b) fmod_float has a bug:
>> http://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00442.html
>>
>> c) Extend Fexpt to support bignums. Patch is here:
>> http://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00503.html
>>
>> d) Extend Fceiling, Ffloor, Fround and Ftruncate to support bignums by
>>    updating rounding_driver.

I worked on these and installed patches to master that should do (a), (b), and 
(c). For (d) I wrote the attached patch, and plan to test it a bit more before 
installing, as it's the hairiest.

[rounding.diff (text/x-patch, attachment)]
This bug report was last modified 6 years and 320 days ago.

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