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1 <HTML>
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2 <BODY BGCOLOR="white">
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3 <PRE>
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4 <FONT color="green">001</FONT> /*<a name="line.1"></a>
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5 <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
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6 <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
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7 <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
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8 <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
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9 <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
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10 <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a>
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11 <FONT color="green">008</FONT> *<a name="line.8"></a>
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12 <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
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13 <FONT color="green">010</FONT> *<a name="line.10"></a>
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14 <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
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15 <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
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16 <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
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17 <FONT color="green">014</FONT> * See the License for the specific language governing permissions and<a name="line.14"></a>
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18 <FONT color="green">015</FONT> * limitations under the License.<a name="line.15"></a>
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19 <FONT color="green">016</FONT> */<a name="line.16"></a>
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20 <FONT color="green">017</FONT> package org.apache.commons.math.analysis;<a name="line.17"></a>
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21 <FONT color="green">018</FONT> <a name="line.18"></a>
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22 <FONT color="green">019</FONT> import org.apache.commons.math.FunctionEvaluationException;<a name="line.19"></a>
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23 <FONT color="green">020</FONT> <a name="line.20"></a>
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24 <FONT color="green">021</FONT> /**<a name="line.21"></a>
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25 <FONT color="green">022</FONT> * An interface representing a univariate real function.<a name="line.22"></a>
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26 <FONT color="green">023</FONT> *<a name="line.23"></a>
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27 <FONT color="green">024</FONT> * @version $Revision: 811786 $ $Date: 2009-09-06 05:36:08 -0400 (Sun, 06 Sep 2009) $<a name="line.24"></a>
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28 <FONT color="green">025</FONT> */<a name="line.25"></a>
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29 <FONT color="green">026</FONT> public interface UnivariateRealFunction {<a name="line.26"></a>
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30 <FONT color="green">027</FONT> <a name="line.27"></a>
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31 <FONT color="green">028</FONT> /**<a name="line.28"></a>
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32 <FONT color="green">029</FONT> * Compute the value for the function.<a name="line.29"></a>
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33 <FONT color="green">030</FONT> * @param x the point for which the function value should be computed<a name="line.30"></a>
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34 <FONT color="green">031</FONT> * @return the value<a name="line.31"></a>
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35 <FONT color="green">032</FONT> * @throws FunctionEvaluationException if the function evaluation fails<a name="line.32"></a>
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36 <FONT color="green">033</FONT> */<a name="line.33"></a>
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37 <FONT color="green">034</FONT> double value(double x) throws FunctionEvaluationException;<a name="line.34"></a>
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38 <FONT color="green">035</FONT> <a name="line.35"></a>
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39 <FONT color="green">036</FONT> }<a name="line.36"></a>
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100 </PRE>
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101 </BODY>
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102 </HTML>
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