| /* |
| * 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. |
| */ |
| package org.apache.commons.geometry.core; |
| |
| /** Class containing geometric constants. |
| */ |
| public final class Geometry { |
| |
| /** Alias for {@link Math#PI}, placed here for completeness. */ |
| public static final double PI = Math.PI; |
| |
| /** Constant value for {@code -pi}. */ |
| public static final double MINUS_PI = -Math.PI; |
| |
| /** Constant value for {@code 2*pi}. */ |
| public static final double TWO_PI = 2.0 * Math.PI; |
| |
| /** Constant value for {@code -2*pi}. */ |
| public static final double MINUS_TWO_PI = -2.0 * Math.PI; |
| |
| /** Constant value for {@code pi/2}. */ |
| public static final double HALF_PI = 0.5 * Math.PI; |
| |
| /** Constant value for {@code - pi/2}. */ |
| public static final double MINUS_HALF_PI = -0.5 * Math.PI; |
| |
| /** Constant value for {@code 3*pi/2}. */ |
| public static final double THREE_HALVES_PI = 1.5 * Math.PI; |
| |
| /** Constant value for {@code 0*pi}, which is, of course, 0. |
| * This value is placed here for completeness. |
| */ |
| public static final double ZERO_PI = 0.0; |
| |
| /** Private constructor. */ |
| private Geometry() {} |
| } |