Bug#362414: abs() returns a negative number & signed types are undefined on overflow (fwd)

To: Petr Salinger <Petr.Salinger@t-systems.cz>
Cc: 362414@bugs.debian.org
Subject: Bug#362414: abs() returns a negative number & signed types are undefined on overflow (fwd)
From: Martin Michlmayr <tbm@cyrius.com>
Date: Fri, 14 Apr 2006 13:39:40 +0200
Message-id: <[🔎] 20060414113940.GF18871@deprecation.cyrius.com>
Reply-to: Martin Michlmayr <tbm@cyrius.com>, 362414@bugs.debian.org
In-reply-to: <[🔎] Pine.LNX.4.44.0604141304390.3393-100000@enigma.t-systems.cz>
References: <[🔎] Pine.LNX.4.44.0604141304390.3393-100000@enigma.t-systems.cz>

* Petr Salinger <Petr.Salinger@t-systems.cz> [2006-04-14 13:05]:
> Does help to change definition of sum_abs from "int" to "unsigned int" ?

Yes.

> Does help to compile it with "-fwrapv" ?

No.
-- 
Martin Michlmayr
http://www.cyrius.com/

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Follow-Ups:
- Bug#362414: abs() returns a negative number & signed types are undefined on overflow (fwd)
  - From: Florian Weimer <fw@deneb.enyo.de>
- Bug#362414: abs() returns a negative number & signed types are undefined on overflow (fwd)
  - From: Falk Hueffner <falk@debian.org>

References:
- Bug#362414: abs() returns a negative number & signed types are undefined on overflow (fwd)
  - From: Petr Salinger <Petr.Salinger@t-systems.cz>

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