int32_t DigitFormatter::countChar32(
const DigitGrouping &grouping,
const DigitInterval &interval,
const DigitFormatterOptions &options) const {
int32_t result = interval.length();
// We always emit '0' in lieu of no digits.
if (result == 0) {
result = 1;
}
if (options.fAlwaysShowDecimal || interval.getLeastSignificantInclusive() < 0) {
result += fDecimal.countChar32();
}
result += grouping.getSeparatorCount(interval.getIntDigitCount()) * fGroupingSeparator.countChar32();
return result;
}
DigitList &
FixedPrecision::round(
DigitList &value, int32_t exponent, UErrorCode &status) const {
if (U_FAILURE(status)) {
return value;
}
value .fContext.status &= ~DEC_Inexact;
if (!fRoundingIncrement.isZero()) {
if (exponent == 0) {
value.quantize(fRoundingIncrement, status);
} else {
DigitList adjustedIncrement(fRoundingIncrement);
adjustedIncrement.shiftDecimalRight(exponent);
value.quantize(adjustedIncrement, status);
}
if (U_FAILURE(status)) {
return value;
}
}
int32_t leastSig = fMax.getLeastSignificantInclusive();
if (leastSig == INT32_MIN) {
value.round(fSignificant.getMax());
} else {
value.roundAtExponent(
exponent + leastSig,
fSignificant.getMax());
}
if (fExactOnly && (value.fContext.status & DEC_Inexact)) {
status = U_FORMAT_INEXACT_ERROR;
} else if (fFailIfOverMax) {
// Smallest interval for value stored in interval
DigitInterval interval;
value.getSmallestInterval(interval);
if (fMax.getIntDigitCount() < interval.getIntDigitCount()) {
status = U_ILLEGAL_ARGUMENT_ERROR;
}
}
return value;
}