1 /* 2 * Licensed to the Hipparchus project 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 Hipparchus project 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 * https://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.hipparchus.analysis; 18 19 import org.hipparchus.CalculusFieldElement; 20 21 /** 22 * An interface representing a bivariate field function. 23 * @param <T> type of the field elements 24 * @since 1.5 25 */ 26 public interface CalculusFieldBivariateFunction<T extends CalculusFieldElement<T>> { 27 28 /** 29 * Compute the value for the function. 30 * 31 * @param x Abscissa for which the function value should be computed. 32 * @param y Ordinate for which the function value should be computed. 33 * @return the value. 34 */ 35 T value(T x, T y); 36 37 }