| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 bivariate real function. |
| * |
| * @since 2.1 |
| * @version $Revision: 1073498 $ $Date: 2011-02-22 21:57:26 +0100 (mar. 22 févr. 2011) $ |
| */ |
| public interface BivariateRealFunction { |
| /** |
| * Compute the value for the function. |
| * |
| * @param x Abscissa for which the function value should be computed. |
| * @param y Ordinate for which the function value should be computed. |
| * @return the value. |
| * @throws FunctionEvaluationException if the function evaluation fails. |
| */ |
| double value(double x, double y) |
| throws FunctionEvaluationException; |
| |
| } |