001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.math4.legacy.analysis.interpolation; 018 019import org.apache.commons.math4.legacy.analysis.UnivariateFunction; 020 021/** 022 * Interface representing a univariate real interpolating function. 023 */ 024public interface UnivariateInterpolator { 025 /** 026 * Computes an interpolating function for the dataset. 027 * 028 * @param xval Arguments for the interpolation points. 029 * @param yval Values for the interpolation points. 030 * @return a function which interpolates the dataset. 031 * @throws org.apache.commons.math4.legacy.exception.MathIllegalArgumentException 032 * if the arguments violate assumptions made by the interpolation algorithm. 033 */ 034 UnivariateFunction interpolate(double[] xval, double[] yval); 035}