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author | David S. Miller <davem@davemloft.net> | 2010-04-11 05:44:30 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2010-04-11 05:44:30 -0400 |
commit | 4a1032faac94ebbf647460ae3e06fc21146eb280 (patch) | |
tree | 7f31b97beb0406faa1523e619289ad0ab07c9787 /lib/lcm.c | |
parent | ae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff) | |
parent | 0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'lib/lcm.c')
-rw-r--r-- | lib/lcm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/lcm.c b/lib/lcm.c new file mode 100644 index 000000000000..157cd88a6ffc --- /dev/null +++ b/lib/lcm.c | |||
@@ -0,0 +1,15 @@ | |||
1 | #include <linux/kernel.h> | ||
2 | #include <linux/gcd.h> | ||
3 | #include <linux/module.h> | ||
4 | |||
5 | /* Lowest common multiple */ | ||
6 | unsigned long lcm(unsigned long a, unsigned long b) | ||
7 | { | ||
8 | if (a && b) | ||
9 | return (a * b) / gcd(a, b); | ||
10 | else if (b) | ||
11 | return b; | ||
12 | |||
13 | return a; | ||
14 | } | ||
15 | EXPORT_SYMBOL_GPL(lcm); | ||