* @return the non-negative rounding increment, or 0.0 if none
* @stable ICU 2.2
*/
public double getRoundingIncrement() {
CurrencyMetaInfo info = CurrencyMetaInfo.getInstance();
CurrencyDigits digits = info.currencyDigits(isoCode);
int data1 = digits.roundingIncrement;
// If there is no rounding return 0.0 to indicate no rounding.
// This is the high-runner case, by far.