Function x64fmix64

javascript/packages/core/lib/murmurHash3.ts:135–144

(h: u64)

function x64fmix64(h: u64): u64 {
  // [0x0, h[0] >>> 1] is a 33 bit shr.
  h = xor64(h, [0x0, h[0] >>> 1]);
  h = mul64(h, [0xff51afd7, 0xed558ccd]);
  h = xor64(h, [0x0, h[0] >>> 1]);
  h = mul64(h, [0xc4ceb9fe, 0x1a85ec53]);
  h = xor64(h, [0x0, h[0] >>> 1]);
  
  return h;
}


const x64hash128c1: u64 = [0x87c37b91, 0x114253d5];