1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.commons.math.analysis;
18 
19 import org.apache.commons.math.FunctionEvaluationException;
20 
21 /**
22  * An interface representing a univariate real function.
23  *
24  * @version $Revision: 1070725 $ $Date: 2011-02-15 02:31:12 +0100 (mar. 15 févr. 2011) $
25  */
26 public interface UnivariateRealFunction {
27 
28     /**
29      * Compute the value for the function.
30      * @param x the point for which the function value should be computed
31      * @return the value
32      * @throws FunctionEvaluationException if the function evaluation fails
33      */
value(double x)34     double value(double x) throws FunctionEvaluationException;
35 
36 }
37