From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <ed18f2ee25eaf9e6e1ed077f9989b073@hamnavoe.com>
To: 9fans@9fans.net
From: Richard Miller <9fans@hamnavoe.com>
Date: Wed,  2 Jan 2013 09:26:10 +0000
In-Reply-To: <1306b366fc14378754e4d10a993cce67@rei2.9hal>
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Subject: Re: [9fans] arm compiler bug
Topicbox-Message-UUID: fb515b40-ead7-11e9-9d60-3106f5b1d025

Good catch.

2's complement integers are generally useful but it's easy to
forget that they don't quite obey normal algebraic rules.
The assumption that
	(a < 0) => (-a > 0)
is the cause of many easily-missed bugs.