ulong x = a; x = (x | x << 32) & masks[0]; x = (x | x << 16) & masks[1]; x = (x | x << 8) & masks[2]; @@ -29,24 +29,24 @@ private UInt64 SplitBy2Bits(UInt32 a) } // HELPER method for Magicbits decoding private UInt32 GetSecondBits(UInt64 m) private...