function getRoundingMode() {
  return this.roundingMode;
  }
Returns the roundingMode setting.
This will be one of
{@link  #ROUND_CEILING},
{@link  #ROUND_DOWN},
{@link  #ROUND_FLOOR},
{@link  #ROUND_HALF_DOWN},
{@link  #ROUND_HALF_EVEN},
{@link  #ROUND_HALF_UP},
{@link  #ROUND_UNNECESSARY}, or
{@link  #ROUND_UP}.

@return an <code>int</code> which is the value of the roundingMode
        setting
@stable ICU 2.0