Re: [boost] [math] pow instantiates a number of template proportional to the exponent

From: John Moeller (fishcorn_at_[hidden])
Date: 2008-05-15 11:40:42

John Moeller <fishcorn <at> gmail.com> writes:

> template <>
> struct positive_power<0,0>
> {
>      template <typename T>
>      static typename tools::promote_args<T>::type result(T base)
>      {
>           return 1;
>      }
> };

In fact, you could get rid of the zero-power case of positive_power and make it 
a specialization of the power_if_positive template.  That way you could also 
check for the 0^0 case, which just returns 1 right now.