/* * Geotoolkit.org - An Open Source Java GIS Toolkit * http://www.geotoolkit.org * * (C) 2010-2012, Open Source Geospatial Foundation (OSGeo) * (C) 2010-2012, Geomatys * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License. * * This library 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. */ package org.geotoolkit.math; /** * An enumeration for a few common number set (Natural, real). * This enumeration is ordered: each set contains fully the set declared before. * * @author Martin Desruisseaux (Geomatys) * @version 3.10 * * @since 3.10 * @module */ public enum NumberSet { /** * The set of positive integers (\u2155), including zero. */ NATURAL('\u2155'), /** * The set of positive and negative integers (\u2124). */ INTEGER('\u2124'), /** * The set of rational numbers (\u211A). */ RATIONAL('\u211A'), /** * The set of real numbers (\u211D). */ REAL('\u211D'); /** * The symbol for this set (\u2155, \u2124, \u211A or \u211D). */ public final char symbol; /** * Creates a new instance for the given symbol. */ private NumberSet(final char symbol) { this.symbol = symbol; } }