System.Globalization.UmAlQuraCalendar.RealGetDaysInYear C# (CSharp) Method

        internal int RealGetDaysInYear(int year)
        {
            int days = 0, b;

            BCLDebug.Assert( (year >= MinCalendarYear) && (year <= MaxCalendarYear), "Hijri year is out of range.");

            b = HijriYearInfo[year-MinCalendarYear].HijriMonthsLengthFlags;

            for(int m = 1; m <= 12; m++)
            {
                days = days+ 29 + (b&1);   /* Add the months lengths before mh */
                b = b >> 1;
            }
            BCLDebug.Assert((days == 354)||(days == 355), "Hijri year has to be 354 or 355 days.");
            return days;
        }

 /// <summary>Determines whether the specified year in the specified era is a leap year.</summary>
 /// <param name="year">A year. </param>
 /// <param name="era">An era. Specify <see langword="UmAlQuraCalendar.Eras[UmAlQuraCalendar.CurrentEra]" /> or <see cref="F:System.Globalization.UmAlQuraCalendar.UmAlQuraEra" />.</param>
 /// <returns>
 ///     <see langword="true" /> if the specified year is a leap year; otherwise, <see langword="false" />.</returns>
 /// <exception cref="T:System.ArgumentOutOfRangeException">
 ///         <paramref name="year" /> or <paramref name="era" /> is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
 // Token: 0x06002EE8 RID: 12008 RVA: 0x000B4089 File Offset: 0x000B2289
 public override bool IsLeapYear(int year, int era)
 {
     UmAlQuraCalendar.CheckYearRange(year, era);
     return(UmAlQuraCalendar.RealGetDaysInYear(year) == 355);
 }