/*
* This file is part of JGAP.
*
* JGAP offers a dual license model containing the LGPL as well as the MPL.
*
* For licensing information please see the file license.txt included with JGAP
* or have a look at the top of class org.jgap.Chromosome which representatively
* includes the JGAP license policy applicable for any file delivered with JGAP.
*/
package org.jgap.gp.function;
import org.jgap.*;
import org.jgap.gp.*;
import org.jgap.gp.impl.*;
import org.jgap.util.*;
/**
* The multiply operation.
*
* @author Klaus Meffert
* @since 3.0
*/
public class Multiply
extends MathCommand implements IMutateable, ICloneable {
/** String containing the CVS revision. Read out via reflection!*/
private static final String CVS_REVISION = "$Revision: 1.9 $";
public Multiply(final GPConfiguration a_conf, Class a_returnType)
throws InvalidConfigurationException {
super(a_conf, 2, a_returnType);
}
public CommandGene applyMutation(int index, double a_percentage)
throws InvalidConfigurationException {
Divide mutant = new Divide(getGPConfiguration(), getReturnType());
return mutant;
}
/**
* Clones the object. Simple and straight forward implementation here.
*
* @return cloned instance of this object
*
* @author Klaus Meffert
* @since 3.4
*/
public Object clone() {
try {
Multiply result = new Multiply(getGPConfiguration(), getReturnType());
return result;
} catch (Exception ex) {
throw new CloneException(ex);
}
}
public String toString() {
return "&1 * &2";
}
/**
* @return textual name of this command
*
* @author Klaus Meffert
* @since 3.2
*/
public String getName() {
return "Multiply";
}
public int execute_int(ProgramChromosome c, int n, Object[] args) {
return c.execute_int(n, 0, args) * c.execute_int(n, 1, args);
}
public long execute_long(ProgramChromosome c, int n, Object[] args) {
return c.execute_long(n, 0, args) * c.execute_long(n, 1, args);
}
public float execute_float(ProgramChromosome c, int n, Object[] args) {
return c.execute_float(n, 0, args) * c.execute_float(n, 1, args);
}
public double execute_double(ProgramChromosome c, int n, Object[] args) {
return c.execute_double(n, 0, args) * c.execute_double(n, 1, args);
}
public Object execute_object(ProgramChromosome c, int n, Object[] args) {
return ( (Compatible) c.execute_object(n, 0, args)).execute_multiply(c.
execute_object(n, 1, args));
}
protected interface Compatible {
public Object execute_multiply(Object o);
}
}