On Apr 14, 2009, at 11:44 PM, Dag Sverre Seljebotn wrote:

> Robert Bradshaw wrote:
>> On Apr 14, 2009, at 1:04 PM, Carl Witty wrote:
>>> On x86 processors, dividing -2**31 by -1 gives a processor signal;
>>> under Linux, this results in exiting the process with "Floating  
>>> point
>>> exception".  (Even though it's not floating point.)  (Presumably,  
>>> the
>>> same thing happens when dividing -2**63 by -1 on a 64-bit  
>>> processor; I
>>> haven't tested.)
>>
>> Interesting corner case. This seems more like an overflow issue, and
>> we're currently not trying to protect the user from those.
>
> Well, yes, but usually with overflows one just gets the overflowed  
> value
> silently. With division overflow one crashes the application, which is
> IMO much worse even if it is a very rare corner case.
>
> I think we should raise OverflowError here under the same  
> circumstances
> as ZeroDivisionError.

Ah, I hadn't realized it segfaults (well, it does on my machine). OK,  
another check coming right up.

- Robert


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