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[mirror_ubuntu-bionic-kernel.git] / lib / lcm.c
1 #include <linux/kernel.h>
2 #include <linux/gcd.h>
3 #include <linux/module.h>
4 #include <linux/lcm.h>
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);