Oh Dear

[BCS]

Hello bearophile,
> BCS:
> 
>> Short of overflow detection (and the overhead that causes) I think
>> this is an issue inherent to discreet systems (a.k.a. all computer
>> systems) that we just have to live with.<
>> 
> I don't understand what's the purpose of overflow detection in this
> context. Are those differences between the D and Python output caused
> by overflows?
> 

After puzzling over that bit of thread for a bit, the only interpretation 
I came up with that seemed logical was that it was referring to integers 
being modulo 2^32: (int.max + 1 == int.min). In rereading it, I'm thinking 
you were talking about something else.