code: function clone(dec) {
    //--com.ibm.icu.math.BigDecimal copy;
    var copy;
    copy=new BigDecimal();
    copy.ind=dec.ind;
    copy.exp=dec.exp;
    copy.form=dec.form;
    copy.mant=dec.mant;
    return copy;
    }
docs: /* <sgml> Create a copy of BigDecimal object for local use.
  <p>This does NOT make a copy of the mantissa array.
  </sgml>
  Arg1 is the BigDecimal to clone (non-null)
   --private static final com.ibm.icu.math.BigDecimal clone(com.ibm.icu.math.BigDecimal dec){