src/jcgp/function/Subtraction.java


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package jcgp.function;

import jcgp.population.Connection;

public class Subtraction extends Function {

	@Override
	public int run(Connection... connections) {
		if (connections.length > 1) {
			return connections[0].evaluate() - connections[1].evaluate();
		} else {
			return 0;
		}
	}

	@Override
	public int getArity() {
		return 2;
	}

}