/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 *
 * <p>
 * This package provides basic geometry components on the 2-sphere.
 * </p>
 * <p>
 * We use here the topologists definition of the 2-sphere (see
 * <a href="http://mathworld.wolfram.com/Sphere.html">Sphere</a> on
 * MathWorld), i.e. the 2-sphere is the two-dimensional surface
 * defined in 3D as x<sup>2</sup>+y<sup>2</sup>+z<sup>2</sup>=1.
 * </p>
 *
 */
package org.apache.commons.math3.geometry.spherical.twod;
