/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.math.analysis;

import org.apache.commons.math.MathException;

/**
 * Interface representing a univariate real interpolating function.
 *  
 * @version $Revision: 480440 $ $Date: 2006-11-29 00:14:12 -0700 (Wed, 29 Nov 2006) $
 */
public interface UnivariateRealInterpolator {

    /**
     * Computes an interpolating function for the data set.
     * @param xval the arguments for the interpolation points
     * @param yval the values for the interpolation points
     * @return a function which interpolates the data set
     * @throws MathException if arguments violate assumptions made by the
     *         interpolationg algorithm
     */
    public UnivariateRealFunction interpolate(double xval[], double yval[])
        throws MathException;
}