[phobos] Fixing std.math.pow(x, int.min)

[Don Clugston]

On 22 June 2010 08:50, Lars Tandle Kyllingstad <lars at kyllingen.net> wrote:
> You're right, that works.  Thanks!
>
> But may I ask _why_ it works?  Consider:
>
>    uint x = -int.min;
>
> My first guess would be that the result of the negation is an int as
> well (and therefore == int.min), and that the cast to uint doesn't
> happen until the assignment.  Apparently this isn't the case.

-int.min is actually an unsigned result, that's why it wraps. Casting
it to uint unwraps it.