Robert P. J. Day <[email protected]> wrote:
> +#define is_power_of_4(x) is_power_of_2(x) && (ffs(x) & 1))
If this is such a commonly implemented op, it should probably be implemented
globally too.
I also wonder if there's some better way of implementing it than this, but I
can't think of one offhand.
David
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