1 /* 2 * Licensed to the Hipparchus project under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The Hipparchus project 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 * https://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.hipparchus.analysis; 18 19 import org.hipparchus.Field; 20 import org.hipparchus.CalculusFieldElement; 21 22 /** 23 * An interface representing a univariate vectorial function for any field type. 24 * 25 * @since 1.3 26 */ 27 public interface FieldUnivariateVectorFunction { 28 29 /** Convert to a {@link CalculusFieldUnivariateVectorFunction} with a specific type. 30 * @param <T> the type of the field elements 31 * @param field field for the argument and value 32 * @return converted function 33 */ 34 default <T extends CalculusFieldElement<T>> CalculusFieldUnivariateVectorFunction<T> toCalculusFieldUnivariateVectorFunction(Field<T> field) { 35 return this::value; 36 } 37 38 /** 39 * Compute the value for the function. 40 * @param <T> the type of the field elements 41 * @param x the point for which the function value should be computed 42 * @return the value 43 */ 44 <T extends CalculusFieldElement<T>> T[] value(T x); 45 46 }