/***********************************************************************
This file is part of KEEL-software, the Data Mining tool for regression,
classification, clustering, pattern mining and so on.
Copyright (C) 2004-2010
F. Herrera (herrera@decsai.ugr.es)
L. S�nchez (luciano@uniovi.es)
J. Alcal�-Fdez (jalcala@decsai.ugr.es)
S. Garc�a (sglopez@ujaen.es)
A. Fern�ndez (alberto.fernandez@ujaen.es)
J. Luengo (julianlm@decsai.ugr.es)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/
**********************************************************************/
package keel.Algorithms.Fuzzy_Rule_Learning.Genetic.Shared.OptimLocal;
/**
* <p>
* Class for duplicate the initial ana used rles and fro filter the used ones.
* Need: The initial set of rules and the used ones
*</p>
*
* <p>
* @author Written by Luciano S�nchez (University of Oviedo) 03/03/2004
* @author Modified by M.R. Su�rez (University of Oviedo) 18/12/2008
* @author Modified by Enrique A. de la Cal (University of Oviedo) 21/12/2008
* @version 1.0
* @since JDK1.5
* </p>
*/
abstract public class FUN {
// Virtual class with a double [] to double function
protected boolean []used;
protected double []initial;
/**
* <p>
* Constructor
* </p>
* @param vused Mark the used rules
* @param vinitial A set of initial rules
*/
FUN(boolean []vused, double[]vinitial) {
used=duplicate(vused);
initial=duplicate(vinitial);
}
/**
* <p>
* The protected method duplicate a set of boolean values
* </p>
* @param x The set of boolean values
* @return The duplicate set
*/
protected boolean[] duplicate(boolean[] x) {
boolean []result = new boolean[x.length];
for (int i=0;i<x.length;i++) result[i]=x[i];
return result;
}
/**
* <p>
* The protected method duplicate a set of double values
* </p>
* @param x The set of double values
* @return The duplicate set
*/
protected double[] duplicate(double[] x) {
double []result = new double[x.length];
for (int i=0;i<x.length;i++) result[i]=x[i];
return result;
}
/**
* <p>
* The protected method filter the rules to select the used one
* </p>
* @param x The rules
* @return The used rules
*/
protected double[] filter(double []x) {
double result[] = duplicate(initial);
for (int i=0;i<x.length;i++)
if (used[i]) result[i]=x[i];
return result;
}
/**
* <p>
* The abstract method evaluate the fitness of the rule set
* </p>
* @param x The set of rules
* @return The result of evaluate the fitness
*/
abstract public double evaluate(double x[]);
}