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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: Checking for loss of information on integer conversion
Date: Sun, 18 Feb 2018 20:47:27 -0500	[thread overview]
Message-ID: <jwvbmgl92k5.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 87sh9x97yz.fsf@trurl.irif.fr

>> That would be a regression.  On 32bit systems, there are various
>> circumstances where we need to read a 32bit ID
> I can see how this could be a problem, but I still find the current
> semantics pretty horrible,

It's not pretty indeed.

> Perhaps Emacs could acquire small bignums?  Say, boxed 64-bit integers
> with signal on overflow?

I don't think adding actual bignums via (say) libgmp would be
significantly harder than adding such "small bignums.


        Stefan




  reply	other threads:[~2018-02-19  1:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-18  1:27 Checking for loss of information on integer conversion Paul Eggert
     [not found] ` <83y3jq9q4m.fsf@gnu.org>
2018-02-18 20:04   ` Paul Eggert
2018-02-18 20:24     ` Eli Zaretskii
2018-02-18 21:52     ` bug#30408: " Drew Adams
2018-02-18 22:31 ` Juliusz Chroboczek
2018-02-18 22:41   ` Stefan Monnier
2018-02-18 23:46     ` Juliusz Chroboczek
2018-02-19  1:47       ` Stefan Monnier [this message]
2018-02-19  2:22         ` Paul Eggert
2018-02-19  3:20           ` Drew Adams
2018-02-19 15:05       ` Richard Stallman
2018-02-22 16:31         ` Juliusz Chroboczek
2018-02-22 17:01           ` Eli Zaretskii
2018-02-22 19:31             ` Stefan Monnier
2018-02-23  9:49           ` Richard Stallman
2018-02-19  6:03   ` John Wiegley

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