public static int getFitness(Individual gene, CityMap cm) {
int fitness = 0;
if (cm == null) {
System.out.println("CityMap is NULL. Terminate 3");
System.exit(3);
}
for (int i = 0; i < gene.length(); i++) {
int dist, city = gene.getItem(i), nextCity;
if (i + 1 >= gene.length()) nextCity = gene.getItem(0);
else nextCity = gene.getItem(i + 1);
if (city == 0 || nextCity == 0) System.out.println(gene);
dist = cm.getDist(city, nextCity);
fitness += dist;
}
return fitness;
}
