Function next

numpy/random/src/splitmix64/splitmix64.orig.c:23–28

uint64_t x; /* The state can be seeded with any value. */

uint64_t next() {
  uint64_t z = (x += 0x9e3779b97f4a7c15);
  z = (z ^ (z >> 30)) * 0xbf58476d1ce4e5b9;
  z = (z ^ (z >> 27)) * 0x94d049bb133111eb;
  return z ^ (z >> 31);
}