On Oct 11, 2011, at 4:17 PM, Meikel Brandmeyer wrote:

> Hi,
> 
> Am 11.10.2011 um 01:28 schrieb Brian Marick:
> 
>> If the 1.3 user has taken care to use promoting-to-bignum arithmetic, it 
>> would be rude to blow up if `actual` happens to be a regular integer but 
>> adding `delta` to it causes an overflow.
> 
> Maybe I'm a bit bold, but shouldn't a 1.3 user be aware, that his limits do 
> overflow and specify a bigint to begin with?

Certainly not; that's why +' et al. exist to begin with, so that the fn author 
(knowing more about the implementation details than the user by definition) can 
guard against likely reasonable overflow.

- Chas

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