001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.math3.optim.univariate; 019 020 import java.io.Serializable; 021 022 /** 023 * This class holds a point and the value of an objective function at this 024 * point. 025 * This is a simple immutable container. 026 * 027 * @version $Id: UnivariatePointValuePair.java 1364392 2012-07-22 18:27:12Z tn $ 028 * @since 3.0 029 */ 030 public class UnivariatePointValuePair implements Serializable { 031 /** Serializable version identifier. */ 032 private static final long serialVersionUID = 1003888396256744753L; 033 /** Point. */ 034 private final double point; 035 /** Value of the objective function at the point. */ 036 private final double value; 037 038 /** 039 * Build a point/objective function value pair. 040 * 041 * @param point Point. 042 * @param value Value of an objective function at the point 043 */ 044 public UnivariatePointValuePair(final double point, 045 final double value) { 046 this.point = point; 047 this.value = value; 048 } 049 050 /** 051 * Get the point. 052 * 053 * @return the point. 054 */ 055 public double getPoint() { 056 return point; 057 } 058 059 /** 060 * Get the value of the objective function. 061 * 062 * @return the stored value of the objective function. 063 */ 064 public double getValue() { 065 return value; 066 } 067 }