code: public java.math.MathContext getMathContext() {
          try {
              // don't allow multiple references
              return mathContext == null ? null : new java.math.MathContext(mathContext.getDigits(),
                      java.math.RoundingMode.valueOf(mathContext.getRoundingMode()));
          } catch (Exception foo) {
              return null; // should never happen
          }
      }
docs: <strong>[icu]</strong> Returns the MathContext used by this format.
  
  @return desired MathContext
  @see #getMathContext