From: David Gibson <david@gibson.dropbear.id.au>
To: Herve Codina <herve.codina@bootlin.com>
Cc: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>,
devicetree-compiler@vger.kernel.org
Subject: Re: [PATCH] checks: Warn about overlapping reserved-memory ranges
Date: Thu, 1 Oct 2026 11:31:45 +1000 [thread overview]
Message-ID: <ar239v8S_M4ng8Ko@gractus.seuss> (raw)
In-Reply-To: <20260930134522.35dcd951@bootlin.com>
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On Wed, Sep 30, 2026 at 01:45:22PM +0200, Herve Codina wrote:
> Hi,
>
> On Wed, 30 Sep 2026 19:44:42 +1000
> David Gibson <david@gibson.dropbear.id.au> wrote:
>
> ...
>
> > >
> > > Weird to have '[' and ')'.
> >
> > [x..y) is a standard notation in maths (it means x is included in the
> > range, but y is not). But that doesn't mean it's generally known.
> >
>
> I was surprised by the notation and I've looked deeper about it.
>
> Two different math notations exist for an interval notation [0]. The one
> you mention (with square brackets and parenthesis) but also the one I know
> about (square brackets only).
>
> Knowing now about both notation, having "[x, y)" is not weird anymore. It
> matches the "[x, y[" syntax I know about.
Oh, interesting. I hadn't encountered the "[x, y[" form. I wonder if
that's (loosely) an Anglosphere/Francosphere thing (the [x, y[ form
coming from Bourbaki).
> [0] https://en.wikipedia.org/wiki/Interval_(mathematics)#Including_or_excluding_endpoints
>
> Hervé
>
--
David Gibson (he or they) | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you, not the other way
| around.
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2026-10-01 1:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 17:50 [PATCH] checks: Warn about overlapping reserved-memory ranges Bjorn Andersson
2026-09-25 17:03 ` Herve Codina
2026-09-30 9:44 ` David Gibson
2026-09-30 11:45 ` Herve Codina
2026-10-01 1:31 ` David Gibson [this message]
2026-09-30 10:09 ` David Gibson
2026-10-01 16:13 ` Rob Herring
2026-10-07 4:58 ` David Gibson
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