/**
* Compares with another dimension
*
* @param ILess_Node $other
* @return integer
*/
public function compare(ILess_Node $other)
{
if (!$other instanceof ILess_Node_Dimension) {
return -1;
}
$a = $this->unify();
$b = $other->unify();
if ($b->value > $a->value) {
return -1;
} elseif ($b->value < $a->value) {
return 1;
} else {
if (!$b->unit->isEmpty() && $a->unit->compare($b->unit) !== 0) {
return -1;
}
return 0;
}
}
