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.interpolation;
18
19 import org.hipparchus.CalculusFieldElement;
20 import org.hipparchus.analysis.CalculusFieldUnivariateFunction;
21 import org.hipparchus.exception.MathIllegalArgumentException;
22
23 /**
24 * Interface representing a univariate field interpolating function.
25 * @since 1.5
26 */
27 public interface FieldUnivariateInterpolator {
28 /**
29 * Compute an interpolating function for the dataset.
30 *
31 * @param xval Arguments for the interpolation points.
32 * @param yval Values for the interpolation points.
33 * @param <T> the type of the field elements
34 * @return a function which interpolates the dataset.
35 * @throws MathIllegalArgumentException
36 * if the arguments violate assumptions made by the interpolation
37 * algorithm.
38 * @throws MathIllegalArgumentException if arrays lengthes do not match
39 */
40 <T extends CalculusFieldElement<T>> CalculusFieldUnivariateFunction<T> interpolate(T[] xval, T[] yval)
41 throws MathIllegalArgumentException;
42 }