| public static div_mod ( int &remainder, int x, int y ) : int | ||
| remainder | int | Remainder integer output value. /// |
| x | int | Integer to be divided. |
| y | int | Divisor integer value. |
| return | int | |
public static int year_from_fixed(int date)
{
int x = date - 1;
int num = CCMath.div_mod(out x, x, 146097);
int num2 = CCMath.div_mod(out x, x, 36524);
int num3 = CCMath.div_mod(out x, x, 1461);
int num4 = CCMath.div(x, 365);
int num5 = 400 * num + 100 * num2 + 4 * num3 + num4;
return((num2 != 4 && num4 != 4) ? (num5 + 1) : num5);
}
/// <summary>Returns a <see cref="T:System.DateTime" /> that is the specified number of months away from the specified <see cref="T:System.DateTime" />.</summary>
/// <returns>The <see cref="T:System.DateTime" /> that results from adding the specified number of months to the specified <see cref="T:System.DateTime" />.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add months. </param>
/// <param name="months">The number of months to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting <see cref="T:System.DateTime" /> is outside the supported range. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="months" /> is less than -120000.-or- <paramref name="months" /> is greater than 120000. </exception>
public override DateTime AddMonths(DateTime time, int months)
{
int date = CCFixed.FromDateTime(time);
int day;
int num;
int num2;
CCJulianCalendar.dmy_from_fixed(out day, out num, out num2, date);
num += months;
num2 += CCMath.div_mod(out num, num, 12);
date = CCJulianCalendar.fixed_from_dmy(day, num, num2);
return(CCFixed.ToDateTime(date).Add(time.TimeOfDay));
}
/// <summary>
/// Overridden. Adds months to a given date.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> to which to add
/// months.
/// </param>
/// <param name="months">The number of months to add.</param>
/// <returns>A new <see cref="T:System.DateTime"/> value, that
/// results from adding <paramref name="months"/> to the specified
/// DateTime.</returns>
public override DateTime AddMonths(DateTime time, int months)
{
int rd = CCFixed.FromDateTime(time);
int day, month, year;
CCJulianCalendar.dmy_from_fixed(
out day, out month, out year, rd);
month += months;
year += CCMath.div_mod(out month, month, 12);
rd = CCJulianCalendar.fixed_from_dmy(day, month, year);
DateTime t = CCFixed.ToDateTime(rd);
return(t.Add(time.TimeOfDay));
}
/// <summary>Calculates a date that is a specified number of months away from a specified initial date.</summary>
/// <returns>A <see cref="T:System.DateTime" /> that represents the date yielded by adding the number of months specified by the <paramref name="months" /> parameter to the date specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add months. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <param name="months">The positive or negative number of months to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting date is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="months" /> is less than -120,000 or greater than 120,000. -or-<paramref name="time" /> is outside the range supported by this calendar.</exception>
public override DateTime AddMonths(DateTime time, int months)
{
int num = this.M_FromDateTime(time);
int day;
int num2;
int num3;
CCHijriCalendar.dmy_from_fixed(out day, out num2, out num3, num);
num2 += months;
num3 += CCMath.div_mod(out num2, num2, 12);
num = CCHijriCalendar.fixed_from_dmy(day, num2, num3);
this.M_CheckFixedHijri("time", num);
return(this.M_ToDateTime(num).Add(time.TimeOfDay));
}
/// <summary>
/// Overrideden. Adds months to a given date.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> to which to add
/// months.
/// </param>
/// <param name="months">The number of months to add.</param>
/// <returns>A new <see cref="T:System.DateTime"/> value, that
/// results from adding <paramref name="months"/> to the specified
/// DateTime.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the
/// <see cref="T:System.DateTime"/> return value is not in the
/// supported range of the Hijri calendar.
/// </exception>
public override DateTime AddMonths(DateTime time, int months)
{
int rd = M_FromDateTime(time);
int day, month, year;
CCHijriCalendar.dmy_from_fixed(
out day, out month, out year, rd);
month += months;
year += CCMath.div_mod(out month, month, 12);
rd = CCHijriCalendar.fixed_from_dmy(day, month, year);
M_CheckFixedHijri("time", rd);
DateTime t = M_ToDateTime(rd);
return(t.Add(time.TimeOfDay));
}
public static int elapsed_days(int year)
{
int num = CCMath.div(235 * year - 234, 19);
int num3;
int num2 = CCMath.div_mod(out num3, num, 1080);
int x = 204 + 793 * num3;
int x2 = 11 + 12 * num + 793 * num2 + CCMath.div(x, 1080);
int num4 = 29 * num + CCMath.div(x2, 24);
if (CCMath.mod(3 * (num4 + 1), 7) < 3)
{
num4++;
}
return(num4);
}
/// <summary>Returns a <see cref="T:System.DateTime" /> that is offset the specified number of months from the specified <see cref="T:System.DateTime" />.</summary>
/// <returns>A <see cref="T:System.DateTime" /> that represents the date yielded by adding the number of months specified by the <paramref name="months" /> parameter to the date specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add months. </param>
/// <param name="months">The positive or negative number of months to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting <see cref="T:System.DateTime" /> is outside the supported range. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="months" /> is less than -120,000 or greater than 120,000. </exception>
public override DateTime AddMonths(DateTime time, int months)
{
int date = CCFixed.FromDateTime(time);
int day;
int num;
int num2;
this.dmy_from_fixed(out day, out num, out num2, date);
num += months;
num2 += CCMath.div_mod(out num, num, 12);
date = this.fixed_from_dmy(day, num, num2);
DateTime dateTime = CCFixed.ToDateTime(date).Add(time.TimeOfDay);
this.M_CheckDateTime(dateTime);
return(dateTime);
}
public static DateTime AddMonths(DateTime time, int months)
{
int date = CCFixed.FromDateTime(time);
int num;
int num2;
int num3;
CCGregorianCalendar.dmy_from_fixed(out num, out num2, out num3, date);
num2 += months;
num3 += CCMath.div_mod(out num2, num2, 12);
int daysInMonth = CCGregorianCalendar.GetDaysInMonth(num3, num2);
if (num > daysInMonth)
{
num = daysInMonth;
}
date = CCGregorianCalendar.fixed_from_dmy(num, num2, num3);
return(CCFixed.ToDateTime(date).Add(time.TimeOfDay));
}