diff options
Diffstat (limited to 'numpy/lib/tests/test_polynomial.py')
| -rw-r--r-- | numpy/lib/tests/test_polynomial.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_polynomial.py b/numpy/lib/tests/test_polynomial.py index cd0b90dc4..ab6691b43 100644 --- a/numpy/lib/tests/test_polynomial.py +++ b/numpy/lib/tests/test_polynomial.py @@ -243,6 +243,15 @@ class TestPolynomial: assert_equal(q.coeffs.dtype, np.complex128) assert_equal(r.coeffs.dtype, np.complex128) assert_equal(q*a + r, b) + + c = [1, 2, 3] + d = np.poly1d([1, 2, 3]) + s, t = np.polydiv(c, d) + assert isinstance(s, np.poly1d) + assert isinstance(t, np.poly1d) + u, v = np.polydiv(d, c) + assert isinstance(u, np.poly1d) + assert isinstance(v, np.poly1d) def test_poly_coeffs_mutable(self): """ Coefficients should be modifiable """ |