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 * 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.apache.commons.math4.legacy.analysis.interpolation;
18
19 import org.apache.commons.math4.legacy.analysis.UnivariateFunction;
20
21 /**
22 * Interface representing a univariate real interpolating function.
23 */
24 public interface UnivariateInterpolator {
25 /**
26 * Computes an interpolating function for the dataset.
27 *
28 * @param xval Arguments for the interpolation points.
29 * @param yval Values for the interpolation points.
30 * @return a function which interpolates the dataset.
31 * @throws org.apache.commons.math4.legacy.exception.MathIllegalArgumentException
32 * if the arguments violate assumptions made by the interpolation algorithm.
33 */
34 UnivariateFunction interpolate(double[] xval, double[] yval);
35 }