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File org.dgpf.gp.regression.base.AggregationFitnessData.java

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/*
 * Copyright (c) 2006 Thomas Weise
 * 
 * E-Mail           : tweise@gmx.de
 * Creation Date    : 2006-07-26 16:59:21
 * Original Filename: org.dgpf.gp.regression.base.AggregationFitnessData.java
 * Version          : 1.0.0
 * Last modification: 2006-07-26
 *                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.gp.regression.base;

import org.dgpf.gp.regression.base.Calculation;
import org.dgpf.search.api.FitnessData;
import org.dgpf.search.api.SearchContext;

/**
 * A fitness data record for the aggregation fitness function.
 *
 * @author Thomas Weise
 */

final class AggregationFitnessData  extends FitnessData<Calculation>
  {
/**
 * The target value computed at the begin of the simulation.
 */

  double  m_target    ;
/**
 * The index of the destination variable, auto-assigned by the context.
 */

  int     m_target_var   ;
/**
 * The fitness sum.
 */

  double  m_sum;
  
  
/**
 * Tells the fitness data that a new simulation is about to begin.
 * @param p_context       The context driving the simulation.
 */

  @Override
  protected void begin_simulation(final SearchContext<Calculation> p_context)
    {
    super.begin_simulation(p_context);
    this.m_target   = Double.NaN;
    this.m_sum      = 0.0d;
    }
  }

File Information:

file name:AggregationFitnessData.java
package:org.dgpf.gp.regression.base
qualified name:org.dgpf.gp.regression.base.AggregationFitnessData.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/dgpf/gp/regression/base/AggregationFitnessData.java
size:2.059 KB (2109 B)
uploaded: 2015-07-22 04:10:56 GMT+0000
last update: 2006-08-22 02:21:51 GMT+0000
last access: 2017-11-20 02:21:03 GMT+0000

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