MOEAFramework-2.11.src.org.moeaframework.problem.ZDT.ZDT Maven / Gradle / Ivy
/* Copyright 2009-2016 David Hadka
*
* This file is part of the MOEA Framework.
*
* The MOEA Framework is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* The MOEA Framework 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the MOEA Framework. If not, see .
*/
package org.moeaframework.problem.ZDT;
import org.moeaframework.core.Solution;
import org.moeaframework.core.variable.RealVariable;
import org.moeaframework.problem.AbstractProblem;
/**
* Implements methods shared by all problems in the ZDT test suite.
*/
public abstract class ZDT extends AbstractProblem {
/**
* Constructs a ZDT problem instance with the specified number of variables.
*
* @param numberOfVariables the number of decision variables
*/
public ZDT(int numberOfVariables) {
super(numberOfVariables, 2);
}
@Override
public Solution newSolution() {
Solution solution = new Solution(numberOfVariables, 2);
for (int i = 0; i < numberOfVariables; i++) {
solution.setVariable(i, new RealVariable(0.0, 1.0));
}
return solution;
}
}