1 /*
2 * Licensed to the Apache Software Foundation (ASF) 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 ASF 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
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22 package org.hipparchus.analysis.interpolation;
23
24 import org.hipparchus.analysis.UnivariateFunction;
25 import org.hipparchus.exception.MathIllegalArgumentException;
26
27 /**
28 * Interface representing a univariate real interpolating function.
29 *
30 */
31 public interface UnivariateInterpolator {
32 /**
33 * Compute an interpolating function for the dataset.
34 *
35 * @param xval Arguments for the interpolation points.
36 * @param yval Values for the interpolation points.
37 * @return a function which interpolates the dataset.
38 * @throws MathIllegalArgumentException
39 * if the arguments violate assumptions made by the interpolation
40 * algorithm.
41 * @throws MathIllegalArgumentException if arrays lengthes do not match
42 */
43 UnivariateFunction interpolate(double[] xval, double[] yval)
44 throws MathIllegalArgumentException;
45 }