kolibrios-gitea/drivers/ddk/linux/gcd.c
Sergey Semyonov (Serge) cf125b5b49 ddk: update
git-svn-id: svn://kolibrios.org@6102 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-01-27 05:30:28 +00:00

22 lines
313 B
C

#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/export.h>
/* Greatest common divisor */
unsigned long gcd(unsigned long a, unsigned long b)
{
unsigned long r;
if (a < b)
swap(a, b);
if (!b)
return a;
while ((r = a % b) != 0) {
a = b;
b = r;
}
return b;
}
EXPORT_SYMBOL_GPL(gcd);