GNU bug report logs - #75105
(cl-random -1.0e+INF)

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Package: emacs;

Reported by: Pip Cet <pipcet <at> protonmail.com>

Date: Wed, 25 Dec 2024 23:28:02 UTC

Severity: wishlist

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Message #28 received at 75105 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Mattias Engdegård <mattias.engdegard <at> gmail.com>, 
 Pip Cet <pipcet <at> protonmail.com>
Cc: 75105 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, mattiasengdegard <at> gmail.com
Subject: Re: bug#75105: (cl-random -1.0e+INF)
Date: Mon, 17 Feb 2025 22:17:34 +0000

Mattias Engdegård <mattias.engdegard <at> gmail.com> writes:

> 16 feb. 2025 kl. 01.50 skrev Pip Cet <pipcet <at> protonmail.com>:
>
>> (cl-random 0.0) returns 0.0, but one could argue it should throw
>
> It definitely should throw, but perhaps it's not worth the incompatibility? Not sure, because existing code that passes 0.0 is likely buggy anyway.
> Or we could say that it's just an ad-hoc extension, by vague analogy of (car nil) = nil.

FWIW, I'd lean towards fixing it, in the hope that very few packages out
there will rely on this wrong behavior.
This bug report was last modified 117 days ago.

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