public void serializeTo96(int[] array, int offset) {
    array[offset] = ((scale << 16) | (signum & 0xFF));
    this.unscaledValue.serializeTo96(array, offset + 1);
  }
Serialize this object to the given integers, putting only 96+32 bits of
data.

@param array
         array to write values to
@param offset
         offset of the int array
common/src/java/org/apache/hadoop/hive/common/type/Decimal128.java