diff options
Diffstat (limited to 'numpy/linalg/tests')
| -rw-r--r-- | numpy/linalg/tests/test_linalg.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/numpy/linalg/tests/test_linalg.py b/numpy/linalg/tests/test_linalg.py index feb4c8224..0c21a4229 100644 --- a/numpy/linalg/tests/test_linalg.py +++ b/numpy/linalg/tests/test_linalg.py @@ -921,6 +921,18 @@ class _TestNorm(object): x = np.array([-2 ** 31], dtype=np.int32) old_assert_almost_equal(norm(x, ord=3), 2 ** 31, decimal=5) + def test_complex_high_ord(self): + # gh-4156 + d = np.empty((2,), dtype=np.clongdouble) + d[0] = 6+7j + d[1] = -6+7j + res = 11.615898132184 + old_assert_almost_equal(np.linalg.norm(d, ord=3), res, decimal=10) + d = d.astype(np.complex128) + old_assert_almost_equal(np.linalg.norm(d, ord=3), res, decimal=9) + d = d.astype(np.complex64) + old_assert_almost_equal(np.linalg.norm(d, ord=3), res, decimal=5) + class TestNormDouble(_TestNorm): dt = np.double |