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From: Vir Campestris <vir.campestris@invalid.invalid>
Newsgroups: comp.lang.c
Subject: Re: What is your opinion about unsigned int u = -2 ?
Date: Sun, 11 Aug 2024 21:08:45 +0100
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On 11/08/2024 20:33, Tim Rentsch wrote:
> Ick.  That choice is exactly backwards IMO.  Converting -1 to
> an unsigned type always sets all the bits.  Converting -1u to
> an unsigned type can easily do the wrong thing, depending
> on the target type.

"Converting -1 to an unsigned type always sets all the bits"

In any normal twos complement architecture that's the case. But there 
are a few oddballs out there where -1 is +1, except that the dedicated 
sign bit is set.

Andy