78d030226d
It calculates greatest common divisor. Signed-off-by: Andrey Panov <rockford@yandex.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
19 lines
237 B
C
19 lines
237 B
C
#include <linux/gcd.h>
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/* Greatest common divisor */
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unsigned long gcd(unsigned long a, unsigned long b)
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{
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unsigned long r;
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if (a < b)
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swap(a, b);
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if (!b)
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return a;
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while ((r = a % b) != 0) {
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a = b;
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b = r;
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}
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return b;
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}
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