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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.FunctionEvaluationException;
    19
    20  /***
    21   * An interface representing a univariate real function.
    22   *
    23   * @version $Revision: 1.14 $ $Date: 2004/07/17 21:19:39 $
    24   */
    25  public interface UnivariateRealFunction {
    26      /***
    27       * Compute the value for the function.
    28       * @param x the point for which the function value should be computed
    29       * @return the value
    30       * @throws FunctionEvaluationException if the function evaluation fails
    31       */
    32      public double value(double x) throws FunctionEvaluationException;
    33
    34  }