diff options
author | James Morris <jmorris@namei.org> | 2009-06-19 08:20:55 +1000 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-06-19 08:20:55 +1000 |
commit | d905163c5b23f6d8511971e06081a1b525e8a0bd (patch) | |
tree | f76918c1be802ec068d37763466f5518efdb690e /lib/gcd.c | |
parent | 44c2d9bdd7022ca7d240d5adc009296fc1c6ce08 (diff) | |
parent | 0732f87761dbe417cb6e084b712d07e879e876ef (diff) |
Merge branch 'master' into next
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 00000000000..f879033d982 --- /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); |