1 files changed, 24 insertions, 0 deletions
diff --git a/sys/base/rng/base.c b/sys/base/rng/base.c
new file mode 100644
index 0000000..9ec496e
--- /dev/null
+++ b/sys/base/rng/base.c
@@ -0,0 +1,24 @@
+#include "internal.h"
+
+static uint64
+splitmix64(struct Mix *state)
+{
+    uint64 result = state->s;
+
+    state->s = result + 0x9E3779B97f4A7C15;
+    result = (result ^ (result >> 30)) * 0xBF58476D1CE4E5B9;
+    result = (result ^ (result >> 27)) * 0x94D049BB133111EB;
+    return result ^ (result >> 31);
+}
+
+int
+rng·init(uint64 seed)
+{
+    int i;
+    Mix smstate = {seed};
+
+    for(i=0; i < 4; i++)
+        rng·RNG.s[i] = splitmix64(&smstate);
+
+    return 0;
+}