/*
 * Copyright 2003-2004 The Apache Software Foundation.
 *
 * Licensed 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;

import org.apache.commons.math.FunctionEvaluationException;

/**
 * An interface representing a univariate real function.
 *  
 * @version $Revision$ $Date$
 */
public interface UnivariateRealFunction {
    /**
     * Compute the value for the function.
     * @param x the point for which the function value should be computed
     * @return the value
     * @throws FunctionEvaluationException if the function evaluation fails
     */
    public double value(double x) throws FunctionEvaluationException;

}