/** * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ package algorithms.bits; /** * Compute the absolute value of an integer */ public class Absolute { £S=${T_S#*_} /** * Compute the absolute value of an integer * * @param value The integers * @return The absolute value, the most negative value will because of overflow return the value itself */ public static £{T} abs(£{T} value) { £{T} mask; return (£{T})((value ^ (mask = (£{T})(value >> £{S}))) - mask); /* Or alternatively make the ^ into an +, and the - into a ^. */ } £>done }