Adding a positive number and a negative number
steve at holdenweb.com
Sat Jan 31 01:35:40 CET 2009
Scott David Daniels wrote:
> Grant Edwards wrote:
>> On 2009-01-30, MRAB <google at mrabarnett.plus.com> wrote:
>>> Eric Kang wrote:
>>>> In two's complement representation, can adding one positive
>>>> and one negative give you overflow?
>> AFAIK, in Python adding integers never gives you overlow
>> regardless of sign.
> Right, but he wants his homework answer.
And Python doesn't use pure two's complement notation when it promotes
regular integers to longs.
Steve Holden +1 571 484 6266 +1 800 494 3119
Holden Web LLC http://www.holdenweb.com/
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