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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-13 21:16:56 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-13 21:16:56 -0700 |
commit | fc8e1ead9314cf0e0f1922e661428b93d3a50d88 (patch) | |
tree | f3cb97c4769b74f6627a59769f1ed5c92a13c58a /lib/gcd.c | |
parent | 2bcaa6a4238094c5695d5b1943078388d82d3004 (diff) | |
parent | 9de48cc300fb10f7d9faa978670becf5e352462a (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'lib/gcd.c')
-rw-r--r-- | lib/gcd.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/gcd.c b/lib/gcd.c new file mode 100644 index 000000000000..f879033d9822 --- /dev/null +++ b/lib/gcd.c @@ -0,0 +1,18 @@ +#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); |