/*
 * 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.interpolation;

import org.apache.commons.math.MathException;
import org.apache.commons.math.analysis.UnivariateRealFunction;

/**
 * Interface representing a univariate real interpolating function.
 * 
 * @version $Revision$ $Date$
 */
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;
}
