diff options
Diffstat (limited to 'common/xorshift.c')
| -rw-r--r-- | common/xorshift.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/common/xorshift.c b/common/xorshift.c new file mode 100644 index 0000000..51f9c80 --- /dev/null +++ b/common/xorshift.c @@ -0,0 +1,12 @@ + +#include "xorshift.h" + +uint32_t xorshift32(uint32_t x) +{ + /* Algorithm "xor" from p. 4 of Marsaglia, "Xorshift RNGs" */ + x ^= x << 13; + x ^= x >> 17; + x ^= x << 5; + return x; +} + |