return smallFixNums[(int) ival - minFixNum];
return smallFixNums[ival - minFixNum];
  private BigInteger canonicalize()  {    if (words != null	&& (ival = BigInteger.wordsNeeded(words, ival)) <= 1)      {	if (ival == 1)	  ival = words[0];	words = null;      }    if (words == null && ival >= minFixNum && ival <= maxFixNum)      return smallFixNums[(int) ival - minFixNum];    return this;  }