Here you can find the source of inRange(int num, int from, int to, int flag)
public static boolean inRange(int num, int from, int to, int flag)
//package com.java2s; /*//from w w w . ja va 2 s .co m * Twidere - Twitter client for Android * * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com> * * This program 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 { static final int MASK_LEFT_BOUND = 0b10; static final int MASK_RIGHT_BOUND = 0b01; public static boolean inRange(int num, int from, int to, int flag) { return ((flag & MASK_LEFT_BOUND) == 0 ? num > from : num >= from) && ((flag & MASK_RIGHT_BOUND) == 0 ? num < to : num <= to); } public static boolean inRange(float num, float from, float to, int flag) { return ((flag & MASK_LEFT_BOUND) == 0 ? num > from : num >= from) && ((flag & MASK_RIGHT_BOUND) == 0 ? num < to : num <= to); } }