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From: Robert Love <rml@tech9.net>
To: Per Persson <per.persson@gnosjo.pp.se>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] search_one_table()
Date: 13 Nov 2001 18:02:21 -0500	[thread overview]
Message-ID: <1005692549.926.0.camel@phantasy> (raw)
In-Reply-To: <NDBBJMOHILCIIKFHCBHAIEOECAAA.per.persson@gnosjo.pp.se>
In-Reply-To: <NDBBJMOHILCIIKFHCBHAIEOECAAA.per.persson@gnosjo.pp.se>

On Tue, 2001-11-13 at 17:32, Per Persson wrote:
> -		mid = (last - first) / 2 + first;
> +		mid = (last + first) / 2

Ehh, maybe its my scientific computer side talking, but your change will
overflow.  Adding two addresses can certainly return an address larger
than 0xffffffff, so you see formulas like the above.

	Robert Love


      parent reply	other threads:[~2001-11-13 23:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-13 22:32 [PATCH] search_one_table() Per Persson
2001-11-13 22:42 ` Brian Gerst
2001-11-13 23:02 ` Robert Love [this message]

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