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package xfuzzy.xfsp.model.types;
import xfuzzy.lang.Parameter;
import xfuzzy.lang.ParamMemFunc;
import xfuzzy.lang.Universe;
import xfuzzy.lang.XflException;
/**
* <p> <b>Descripci�n:</b> clase de objetos que fusionan dos funciones de
* pertenencia de tipo Isosceles.
* <p> <b>E-mail</b>: <ADDRESS>joragupra@us.es</ADDRRESS>
* @author Jorge Agudo Praena
* @version 1.2
* @see IXfspMFMerger
*
*/
public class XfspIsoscelesMFMerger
implements IXfspMFMerger {
/**
* <p> <b>Descripci�n:</b> crea un objeto que fusiona funciones de
* pertenencia tipo Isosceles.
*
*/
public XfspIsoscelesMFMerger() {
}
/**
* <p> <b>Descripci�n:</b> une dos funciones de pertenencia de tipo Isosceles
* de un sistema difuso obteniendo una nueva funci�n de pertenencia que sea
* similar a ambas.
* @param mf1 Una funci�n de pertenencia de un tipo de un sistema difuso.
* @param mf2 Otra funci�n de pertenencia de un tipo de un sistema difuso
* (puede ser igual que la primera).
* @param universe Universo de discurso com�n a las dos funciones de
* pertenencia.
* @return Nueva funci�n de pertenencia correspondiente a la uni�n de las dos
* funciones de pertenencia que se le pasan como par�metro.
*
*/
public ParamMemFunc merge(ParamMemFunc mf1, ParamMemFunc mf2,
Universe universe) {
double[] param1 = mf1.get();
double[] mergedparam = new double[param1.length];
double a1=0.0, a2=0.0, a3, b1=0.0, b2=0.0, b3;
ParamMemFunc mergedmf = (ParamMemFunc) mf1.clone(universe);
Parameter[] pm1 = mf1.getParameters();
Parameter[] pm2 = mf2.getParameters();
try {
for (int i = 0; i < pm1.length; i++) {
if (pm1[i].getName().equals("a")) {
//param = (mf1.parameter[i].value + mf2.parameter[i].value) / 2;
//dist = Math.abs(mf1.parameter[i].value - mf2.parameter[i].value);
a1 = pm1[i].value;
a2 = pm2[i].value;
}
else if (pm1[i].getName().equals("b")) {
//param = Math.max(mf1.parameter[i].value+(dist/2), mf2.parameter[i].value+(dist/2));
b1 = pm1[i].value;
b2 = pm2[i].value;
}
//mergedparam[i] = param;
}
a3 = (Math.min(a1-b1, a2-b2)+Math.max(a1+b1, a2+b2))/2;
b3 = (Math.max(a1+b1, a2+b2)-Math.min(a1-b1, a2-b2))/2;
mergedparam[0]=a3;
mergedparam[1]=b3;
mergedmf.set(mergedparam);
}
catch (XflException e) {
}
return mergedmf;
}
}