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view fft/fftw/fftw-3.3.4/libbench2/pow2.c @ 27:4fa5f3f883a2

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Add native-code version for comparison
author Chris Cannam
date Wed, 07 Oct 2015 21:28:09 +0100
parents 26056e866c29
children
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#include "bench.h"

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