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view src/fftw-3.3.3/libbench2/pow2.c @ 32:0b732c03ec57

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FFTW
author Chris Cannam
date Fri, 04 Jul 2014 10:36:59 +0100
parents 37bf6b4a2645
children
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line source
#include "bench.h"

int power_of_two(int n)
{
     return (((n) > 0) && (((n) & ((n) - 1)) == 0));
}