source: java/ecj/cecj/problems/SymmetricCompetitionProblem.java @ 1305

package cecj.problems;

import cecj.interaction.InteractionResult;
import cecj.utils.Pair;
import ec.EvolutionState;
import ec.Individual;

/**
 * Problem is symmetric if sets of possible behaviours of both competitors are identical. It does
 * not mean that the game is symmetric itself in game-theoretic meaning ( )
 * 
 * @author Marcin Szubert
 */
public interface SymmetricCompetitionProblem extends CoevolutionaryProblem {

        /**
         * 
         * @param state
         * @param competitor1
         * @param competitor2
         * @return
         */
        public Pair<? extends InteractionResult> compete(EvolutionState state, Individual competitor1,
                        Individual competitor2);
}