Re: GCC 3.3.1, new warnings with <limits>

From: Erik Trulsson <ertr1013_at_student.uu.se>
Date: Sun, 13 Jul 2003 21:56:41 +0200
On Sun, Jul 13, 2003 at 01:48:38PM -0600, M. Warner Losh wrote:
> In message: <340CBBD2-B568-11D7-BE3B-0003937E39E0_at_mac.com>
>             David Leimbach <leimy2k_at_mac.com> writes:
> : So for the one way conversion of signed to unsigned it will behave like 
> : 2's compliment
> : all the time. What about back to signed?
> 
> Same way.
> 
> It will be reduced by the maximum value of the range plus one to do
> the conversion.

No, this case is implementation-defined if the value cannot be
represented by the signed type it is converted to.
(If it can be represented then the value will be preserved.)

> 
> See section for 6.3.1.3 for the details.

Yes, please do.

> 
> That's why I said 'as if' in my other mail.

-- 
<Insert your favourite quote here.>
Erik Trulsson
ertr1013_at_student.uu.se
Received on Sun Jul 13 2003 - 10:56:44 UTC

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