mirror of https://gitee.com/openkylin/linux.git
19 lines
291 B
C
19 lines
291 B
C
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/gcd.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
/* Greatest common divisor */
|
||
|
|
unsigned long gcd(unsigned long a, unsigned long b)
|
||
|
|
{
|
||
|
|
unsigned long r;
|
||
|
|
|
||
|
|
if (a < b)
|
||
|
|
swap(a, b);
|
||
|
|
while ((r = a % b) != 0) {
|
||
|
|
a = b;
|
||
|
|
b = r;
|
||
|
|
}
|
||
|
|
return b;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(gcd);
|