| public dataProviderForPerpendicularIdentity ( ) |
public function dataProviderForPerpendicularIdentity()
{
return [[[0, 0]], [[0, 1]], [[1, 0]], [[1, 1]], [[1, 2]], [[1, 2]], [[1, 3]], [[1, 4]], [[2, 0]], [[2, 1]], [[2, 2]], [[2, 3]], [[2, 4]], [[4, 7]], [[5, 3]], [[-2, 1]], [[2, -1]], [[-2, -1]], [[6, 9]], [[-9, 12]]];
}