Re: [boost] Google SoC 2007 Big Integer project

From: John Maddock (john_at_[hidden])
Date: 2007-03-23 14:50:09

Martin Bonner wrote:
>> Why not throw an exception?  Any overhead only occurs when an error
>> has actually happened, not on every operation.
> Not quite.  See below.
>> Or even better:
>>
>> if(error_condition)
> That is where the potential for additional overhead occurs.  Now, how
> /serious/ it is, is an /entirely/ different matter.  Obviously, it
> depends how much work it takes to calculate "error_condition", and
> how tight a loop we are in.

Absolutely: but unless you propose to have no error handling at all, the 
test is the same irrespective of whether we abort or throw or whatever, 
isn't it?  What am I missing?

Cheers, John.