Function x64mix128

javascript/packages/core/lib/murmurHash3.ts:150–170

(h1: u64, h2: u64, k1: u64, k2: u64)

const x64hash128c2: u64 = [0x4cf5ad43, 0x2745937f];

function x64mix128(h1: u64, h2: u64, k1: u64, k2: u64): [u64, u64] {
  k1 = mul64(k1, x64hash128c1);
  k1 = rol64(k1, 31);
  k1 = mul64(k1, x64hash128c2);
  h1 = xor64(h1, k1);
  
  h1 = rol64(h1, 27);
  h1 = add64(h1, h2);
  h1 = add64(mul64(h1, [0x0, 5]), [0x0, 0x52dce729]);
  
  k2 = mul64(k2, x64hash128c2);
  k2 = rol64(k2, 33);
  k2 = mul64(k2, x64hash128c1);
  h2 = xor64(h2, k2);
  
  h2 = rol64(h2, 31);
  h2 = add64(h2, h1);
  h2 = add64(mul64(h2, [0x0, 5]), [0x0, 0x38495ab5]);
  
  return [h1, h2];
}

export type x64hash128State = {
  h1: u64,