mpz_perfect_power_p

[Vincent Lefevre]

On 2008-12-23 04:53:54 +0100, Torbjorn Granlund wrote:
> +#define POW2P(a) ((a & (a-1)) == 0)

Even though this is not needed here, putting parentheses would make
the code more maintainable:

  #define POW2P(a) (((a) & ((a)-1)) == 0)

(this is also a matter of good habits).

Regards,

-- 
Vincent Lefèvre <vincent at vinc17.org> - Web: <http://www.vinc17.org/>
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