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     */
017    package org.apache.commons.math3.analysis.interpolation;
018    
019    import org.apache.commons.math3.analysis.UnivariateFunction;
020    
021    /**
022     * Interface representing a univariate real interpolating function.
023     *
024     * @version $Id: UnivariateInterpolator.java 1364387 2012-07-22 18:14:11Z tn $
025     */
026    public interface UnivariateInterpolator {
027        /**
028         * Compute an interpolating function for the dataset.
029         *
030         * @param xval Arguments for the interpolation points.
031         * @param yval Values for the interpolation points.
032         * @return a function which interpolates the dataset.
033         * @throws org.apache.commons.math3.exception.MathIllegalArgumentException
034         * if the arguments violate assumptions made by the interpolation
035         * algorithm.
036         */
037        UnivariateFunction interpolate(double xval[], double yval[]);
038    }