public void checkConstraints(
final EvolutionState state,
final int tree,
final GPIndividual typicalIndividual,
final Parameter individualBase) {
super.checkConstraints(state, tree, typicalIndividual, individualBase);
if (children.length != 0)
state.output.error(
"Incorrect number of children for node " + toStringForError() + " at " + individualBase);
}