/**
* Purges this graph, making it the empty graph.
*/
public function purge()
{
for ($i = 0; $i < $this->numberOfVertices; ++$i) {
$this->adjacencyList[$i]->purge();
}
parent::purge();
}
/**
* Purges this graph, making it the empty graph.
*/
public function purge()
{
for ($i = 0; $i < $this->numberOfVertices; ++$i) {
for ($j = 0; $j < $this->numberOfVertices; ++$j) {
$this->matrix[array($i, $j)] = NULL;
}
}
parent::purge();
}