Calculate whether current year is Leap year in persian or not - Java java.util

Java examples for java.util:Year

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Description

Calculate whether current year is Leap year in persian or not

Demo Code

/**//  ww  w. ja  va2s.co  m
 * Persian Calendar see: http://code.google.com/p/persian-calendar/
   Copyright (C) 2012  Mortezaadi@gmail.com
   PersianCalendarUtils.java
           
   Persian Calendar is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main{
    public static void main(String[] argv) throws Exception{
        int persianYear = 2;
        System.out.println(isPersianLeapYear(persianYear));
    }
    /**
     * Calculate whether current year is Leap year in persian or not
     * @return boolean
     */
    public static boolean isPersianLeapYear(int persianYear) {
        return PersianCalendarUtils.ceil((38D + (PersianCalendarUtils.ceil(
                persianYear - 474L, 2820L) + 474L)) * 682D, 2816D) < 682L;
    }
    /**
     * Ceil function in original algorithm
     * @param double1
     * @param double2
     * @return long
     */
    public static long ceil(double double1, double double2) {
        return (long) (double1 - double2 * Math.floor(double1 / double2));
    }
}

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