code: @Override
    public Double divide2(Double arg1, long arg2) {
      if (arg1 == null) {
        return Double.NaN;
      } else {
        return arg1 / arg2;
      }
    }
docs: /*
  (non-Javadoc)
  
  @see mtas.codec.util.DataCollector.MtasDataOperations#divide2(java.lang.
  Number, long)