|
Commons Math example source code file (Chromosome.java)
The Commons Math Chromosome.java source code/* * 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.genetics; /** * Individual in a population. Chromosomes are compared based on their fitness. * * The chromosomes are IMMUTABLE, and so their fitness is also immutable and * therefore it can be cached. * * @since 2.0 * @version $Revision: 811685 $ $Date: 2009-09-05 13:36:48 -0400 (Sat, 05 Sep 2009) $ */ public abstract class Chromosome implements Comparable<Chromosome>,Fitness { /** * Cached value of the fitness of this chromosome. */ private double fitness = Double.MIN_VALUE; /** * Access the fitness of this chromosome. The bigger the fitness, the better * the chromosome. * * Computation of fitness is usually very time-consuming task, therefore the * fitness is cached. * * @return the fitness. */ public double getFitness() { if (this.fitness == Double.MIN_VALUE) { // no cache - compute the fitness this.fitness = fitness(); } return this.fitness; } /** * Compares two chromosomes based on their fitness. The bigger the fitness, * the better the chromosome. * * @param another another chromosome to compare * @return * <ul> * <li>-1 if Other Commons Math examples (source code examples)Here is a short list of links related to this Commons Math Chromosome.java source code file: |
... this post is sponsored by my books ... | |
![]() #1 New Release! |
![]() FP Best Seller |
Copyright 1998-2024 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.