/*GPFunctionTemplate.java
 *J Scott Cameron
 *This defines an interface for classes that are to
 *define a genetic programming problem
 */
import java.util.*;
import GPNode;

public abstract interface GPFunctionTemplate
{
    /* returns a Vector that contains GPPairs of binary
     * functions to be used in the Genetic Programs
     */
    public abstract Vector getBinaryFunctions();
    
    /* returns a Vector that contains GPPairs of unary
     * functions to be used in the Genetic Programs
     */
    public abstract Vector getUnaryFunctions();
    
    /* returns a Vector that contains GPPairs of variables
     * to be used in the Genetic Programs
     */
    public abstract Vector getVariables();
    
    /* fitness function evaluates a GPNode and
     * returns a fitness rating
     */
    public abstract Double fitnessFunction(GPNode gpn);
}