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File org.dgpf.search.algorithms.sa.SAUtils.java

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/*
 * Copyright (c) 2006 Thomas Weise
 * 
 * E-Mail           : tweise@gmx.de
 * Creation Date    : 2006-06-05 13:27:42
 * Created by       : Stefan Niemczyk, Marc Kirchhoff
 * Original Filename: org.dgpf.search.algorithms.sa.SAUtils.java
 * Version          : 1.0.1
 * Last modification: 2006-06-22
 *                by: Thomas Weise
 * 
 * License          : GNU LESSER GENERAL PUBLIC LICENSE
 *                    Version 2.1, February 1999
 *                    You should have received a copy of this license along
 *                    with this library; if not, write to the Free Software
 *                    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *                    MA 02111-1307, USA or download the license under
 *                    http://www.gnu.org/copyleft/lesser.html.
 *                    
 * Warranty         : This software is provided "as is" without any
 *                    warranty; without even the implied warranty of
 *                    merchantability or fitness for a particular purpose.
 *                    See the Gnu Lesser General Public License for more
 *                    details.
 */


package org.dgpf.search.algorithms.sa;

import org.dgpf.search.algorithms.sa.ta.ConstantAdaption;
import org.dgpf.search.algorithms.sa.ta.TemperatureAdaptionStrategy;
import org.sfc.meta.PropertyGroup;
import org.sfc.utils.Typesafe;


/**
 * The utilities for simulated annealing, including defaults.
 *
 * @author Stefan Niemczyk, Marc Kirchhoff
 */

public final class SAUtils 
  {

/**
 * The simulated annealing properties.
 */

  public  static  final PropertyGroup SA_PROPERTIES =
                                 new PropertyGroup("simulated annealing");
  
/**
 * The default temperature adaption strategie. 
 */

  public static final TemperatureAdaptionStrategy
    DEFAULT_TEMPERATURE_ADAPT_STRATEGY = ConstantAdaption.INSTANCE;
  
/**
 * The default temperature parameter.
 */

  public static final double DEFAULT_TEMPERATURE = 1d;
  
/**
 * The default constant to reduce the temperature
 */

  public static final double DEFAULT_REDUCE_CONSTANT = 0.001d;
  
/**
 * The default alpha value for the geometric adaption-strategie
 * for the temperature parameter. 
 */

  public static final double DEFAULT_ALPHA = 0.9d;

/**
 * You cannot instantiate this class.
 */

  private SAUtils()
    {
    Typesafe.do_not_call();
    }
  }

File Information:

file name:SAUtils.java
package:org.dgpf.search.algorithms.sa
qualified name:org.dgpf.search.algorithms.sa.SAUtils.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/dgpf/search/algorithms/sa/SAUtils.java
size:2.406 KB (2464 B)
uploaded: 2015-07-22 04:10:59 GMT+0000
last update: 2006-06-22 13:34:56 GMT+0000
last access: 2017-11-20 02:08:30 GMT+0000

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