/** Adds a given number of months to a date, represented as the number of * days since the epoch. */ public static int addMonths(int date, int m) { int y0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.YEAR, date); int m0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.MONTH, date); int d0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.DAY, date); int y = m / 12; y0 += y; m0 += m - y * 12; int last = lastDay(y0, m0); if (d0 > last) { d0 = 1; if (++m0 > 12) { m0 = 1; ++y0; } } return DateTimeUtils.ymdToUnixDate(y0, m0, d0); }
/** Adds a given number of months to a date, represented as the number of * days since the epoch. */ public static int addMonths(int date, int m) { int y0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.YEAR, date); int m0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.MONTH, date); int d0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.DAY, date); int y = m / 12; y0 += y; m0 += m - y * 12; int last = lastDay(y0, m0); if (d0 > last) { d0 = 1; if (++m0 > 12) { m0 = 1; ++y0; } } return DateTimeUtils.ymdToUnixDate(y0, m0, d0); }
/** Adds a given number of months to a date, represented as the number of * days since the epoch. */ public static int addMonths(int date, int m) { int y0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.YEAR, date); int m0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.MONTH, date); int d0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.DAY, date); int y = m / 12; y0 += y; m0 += m - y * 12; int last = lastDay(y0, m0); if (d0 > last) { d0 = 1; if (++m0 > 12) { m0 = 1; ++y0; } } return DateTimeUtils.ymdToUnixDate(y0, m0, d0); }
/** Adds a given number of months to a date, represented as the number of * days since the epoch. */ public static int addMonths(int date, int m) { int y0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.YEAR, date); int m0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.MONTH, date); int d0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.DAY, date); int y = m / 12; y0 += y; m0 += m - y * 12; int last = lastDay(y0, m0); if (d0 > last) { d0 = 1; if (++m0 > 12) { m0 = 1; ++y0; } } return DateTimeUtils.ymdToUnixDate(y0, m0, d0); }
/** Adds a given number of months to a date, represented as the number of * days since the epoch. */ public static int addMonths(int date, int m) { int y0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.YEAR, date); int m0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.MONTH, date); int d0 = (int) DateTimeUtils.unixDateExtract(TimeUnitRange.DAY, date); int y = m / 12; y0 += y; m0 += m - y * 12; int last = lastDay(y0, m0); if (d0 > last) { d0 = 1; if (++m0 > 12) { m0 = 1; ++y0; } } return DateTimeUtils.ymdToUnixDate(y0, m0, d0); }