function testToArray()
{
$copy = [];
$emptyArray = $this->object->toArray($copy, null);
$this->assertTrue(is_array($emptyArray));
$this->assertCount(0, $emptyArray);
$this->object->append(1);
$this->object->append(5);
$this->object->append(3);
$notEmptyArray = $this->object->toArray($copy, null);
$this->assertTrue(is_array($notEmptyArray));
$this->assertCount(3, $notEmptyArray);
}
/**
* Compares two vectors.
*
* @param Vector $v
* @return bool True if vectors are equal, false otherwise.
*/
public function equals(Vector $v)
{
if ($this->dimension != $v->getDimensions()) {
throw new Exception("Both vectors must have the same size");
}
$otherComponents = $v->toArray();
$ret = true;
for ($i = 0; $ret && $i < $this->dimension; ++$i) {
$ret = $this->components[$i] == $otherComponents[$i];
}
return $ret;
}
function __construct(Vector $vector)
{
parent::__construct(new \ArrayIterator($vector->toArray()));
$this->rewind();
}
