Here you can find the source of ceil(int number, int divisor)
private static int ceil(int number, int divisor)
//package com.java2s; /**// w w w. ja va 2 s .c om * Distribution License: * JSword is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License, version 2.1 as published by * the Free Software Foundation. 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 Lesser General Public License for more details. * * The License is available on the internet at: * http://www.gnu.org/copyleft/lgpl.html * or by writing to: * Free Software Foundation, Inc. * 59 Temple Place - Suite 330 * Boston, MA 02111-1307, USA * * Copyright: 2007 * The copyright to this program is held by it's authors. * * ID: $Id$ */ public class Main { private static int ceil(int number, int divisor) { assert divisor > 0; int result = number / divisor + ((number % divisor) > 0 ? 1 : 0); // assert result == (int) Math.ceil(((double) number) / ((double) // divisor)); return result; } }