(self)
| 2608 | assert_allclose(cov(x, y), np.array([[1., -1.j], [1.j, 1.]])) |
| 2609 | |
| 2610 | def test_empty(self): |
| 2611 | with warnings.catch_warnings(record=True): |
| 2612 | warnings.simplefilter('always', RuntimeWarning) |
| 2613 | assert_array_equal(cov(np.array([])), np.nan) |
| 2614 | assert_array_equal(cov(np.array([]).reshape(0, 2)), |
| 2615 | np.array([]).reshape(0, 0)) |
| 2616 | assert_array_equal(cov(np.array([]).reshape(2, 0)), |
| 2617 | np.array([[np.nan, np.nan], [np.nan, np.nan]])) |
| 2618 | |
| 2619 | def test_wrong_ddof(self): |
| 2620 | with warnings.catch_warnings(record=True): |
nothing calls this directly
no test coverage detected