1 /* Copyright 2002-2019 CS Systèmes d'Information 2 * Licensed to CS Systèmes d'Information (CS) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * CS licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.orekit.time; 18 19 import org.hipparchus.RealFieldElement; 20 21 /** This interface represents a multi-valued function of time. 22 * @author Luc Maisonobe 23 */ 24 public interface TimeVectorFunction { 25 26 /** Compute a function of time. 27 * @param date date 28 * @return value of the function 29 */ 30 double[] value(AbsoluteDate date); 31 32 /** Compute a function of time. 33 * @param date date 34 * @param <T> type of the field elements 35 * @return value of the function 36 */ 37 <T extends RealFieldElement<T>> T[] value(FieldAbsoluteDate<T> date); 38 39 }