public void serializeTo96(IntBuffer buf) {
    assert (v[3] == 0);
    buf.put(v, 0, 3);
  }
Serialize this object to the given ByteBuffer, putting only 96 bits data.

@param buf
         ByteBuffer to write values to
common/src/java/org/apache/hadoop/hive/common/type/UnsignedInt128.java