std::pow implementation

[Daniel Berlin]

>>
>> Actually, the heuristic is usually something like:
>> If number of calls to function with constant arguments is estimated or
>> actually high (IE function is on some critical performance path):
>> <clone and optimize>
>>
>> Otherwise, you would waste so much time trying to determine what to
>> clone, it's absurd.
>
> So this would be only practical with profiling feedback then?

Or static profiling, to determine the number of calls and whatnot.

>
> Richard.
>