From: Richard Miller <9fans@hamnavoe.com>
To: 9fans@9fans.net
Subject: Re: [9fans] arm compiler bug
Date: Wed, 2 Jan 2013 09:26:10 +0000 [thread overview]
Message-ID: <ed18f2ee25eaf9e6e1ed077f9989b073@hamnavoe.com> (raw)
In-Reply-To: <1306b366fc14378754e4d10a993cce67@rei2.9hal>
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.
next prev parent reply other threads:[~2013-01-02 9:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-02 9:05 cinap_lenrek
2013-01-02 9:26 ` Richard Miller [this message]
2013-01-02 15:07 ` erik quanstrom
2013-01-02 15:53 ` Charles Forsyth
2013-01-02 15:55 ` Charles Forsyth
2013-01-02 18:32 ` Matthew Veety
2013-01-02 18:34 ` erik quanstrom
2013-01-02 20:16 ` cinap_lenrek
2013-01-02 20:11 ` cinap_lenrek
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