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ICU-3659 restore year limits

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X-SVN-Rev: 15650
This commit is contained in:
Alan Liu 2004-06-01 17:13:49 +00:00
parent f74856fa9e
commit 6006e12f05
1 changed files with 9 additions and 8 deletions
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17
icu4c/source/i18n/gregocal.cpp
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@ -66,17 +66,18 @@ static const int32_t kMonthLength[]
static const int32_t kLeapMonthLength[]
= {31,29,31,30,31,30,31,31,30,31,30,31}; // 0-based
// actual limits, imposed by setTimeInMillis(), are approximately:
// ms=+183882168921600000 jd=7f000000 Tuesday, December 20, 5828963 12:00:00 AM GMT
// ms=-184303902528000000 jd=81000000 Sunday, September 20, 5838270 12:00:00 AM GMT
#define MAX_YEAR 5838300
// setTimeInMillis() limits the Julian day range to +/-7F000000.
// This would seem to limit the year range to:
// ms=+183882168921600000 jd=7f000000 December 20, 5828963 AD
// ms=-184303902528000000 jd=81000000 September 20, 5838270 BC
// HOWEVER, CalendarRegressionTest/Test4167060 shows that the actual
// range limit on the year field is smaller (~ +/-140000). [alan 3.0]
static const int32_t kGregorianCalendarLimits[UCAL_FIELD_COUNT][4] = {
// Minimum Greatest Least Maximum
// Minimum Maximum
{ 0, 0, 1, 1 }, // ERA
{ 1, 1, MAX_YEAR, MAX_YEAR }, // YEAR
{ 1, 1, 140742, 144683 }, // YEAR
{ 0, 0, 11, 11 }, // MONTH
{ 1, 1, 52, 53 }, // WEEK_OF_YEAR
{ 0, 0, 4, 6 }, // WEEK_OF_MONTH
@ -92,9 +93,9 @@ static const int32_t kGregorianCalendarLimits[UCAL_FIELD_COUNT][4] = {
{/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1},// MILLISECOND
{/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1},// ZONE_OFFSET
{/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1},// DST_OFFSET
{ -MAX_YEAR, -MAX_YEAR, MAX_YEAR, MAX_YEAR }, // YEAR_WOY
{ -140742, -140742, 140742, 144683 }, // YEAR_WOY
{/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1},// DOW_LOCAL
{ -MAX_YEAR, -MAX_YEAR, MAX_YEAR, MAX_YEAR }, // EXTENDED_YEAR
{ -140742, -140742, 140742, 144683 }, // EXTENDED_YEAR
{/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1},// JULIAN_DAY
{/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1} // MILLISECONDS_IN_DAY
};