[deliverable/linux.git] / lib / lcm.c

#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/export.h>
#include <linux/lcm.h>

/* Lowest common multiple */
unsigned long lcm(unsigned long a, unsigned long b)
{
	if (a && b)
		return (a * b) / gcd(a, b);
	else if (b)
		return b;

	return a;
}
EXPORT_SYMBOL_GPL(lcm);
Commit	Line	Data
2cda2728 MP	1	#include <linux/kernel.h>
2cda2728 MP	2	#include <linux/gcd.h>
8bc3bcc9	3	#include <linux/export.h>
72d39508	4	#include <linux/lcm.h>
2cda2728 MP	5
	6	/* Lowest common multiple */
	7	unsigned long lcm(unsigned long a, unsigned long b)
	8	{
	9	if (a && b)
	10	return (a * b) / gcd(a, b);
	11	else if (b)
	12	return b;
	13
	14	return a;
	15	}
	16	EXPORT_SYMBOL_GPL(lcm);