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1   /*
2    * Copyright 2003-2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.math.analysis;
17  
18  import org.apache.commons.math.MathException;
19  
20  /**
21   * Interface representing a univariate real interpolating function.
22   *  
23   * @version $Revision: 155427 $ $Date: 2005-02-26 06:11:52 -0700 (Sat, 26 Feb 2005) $
24   */
25  public interface UnivariateRealInterpolator {
26  
27      /**
28       * Computes an interpolating function for the data set.
29       * @param xval the arguments for the interpolation points
30       * @param yval the values for the interpolation points
31       * @return a function which interpolates the data set
32       * @throws MathException if arguments violate assumptions made by the
33       *         interpolationg algorithm
34       */
35      public UnivariateRealFunction interpolate(double xval[], double yval[])
36          throws MathException;
37  }