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annotate src/fftw-3.3.8/libbench2/pow2.c @ 167:bd3cc4d1df30

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Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 19 Nov 2019 14:52:55 +0000
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cannam@167 1 #include "libbench2/bench.h"
cannam@167 2
cannam@167 3 int power_of_two(int n)
cannam@167 4 {
cannam@167 5 return (((n) > 0) && (((n) & ((n) - 1)) == 0));
cannam@167 6 }