diff options
Diffstat (limited to 'numpy/lib/tests/test_polynomial.py')
| -rw-r--r-- | numpy/lib/tests/test_polynomial.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_polynomial.py b/numpy/lib/tests/test_polynomial.py index 02faa0283..5c15941e6 100644 --- a/numpy/lib/tests/test_polynomial.py +++ b/numpy/lib/tests/test_polynomial.py @@ -153,6 +153,9 @@ class TestDocs(TestCase): assert_(p2[3] == Decimal("1.333333333333333333333333333")) assert_(p2[2] == Decimal('1.5')) assert_(np.issubdtype(p2.coeffs.dtype, np.object_)) + p = np.poly([Decimal(1), Decimal(2)]) + assert_equal(np.poly([Decimal(1), Decimal(2)]), + [1, Decimal(-3), Decimal(2)]) def test_complex(self): p = np.poly1d([3j, 2j, 1j]) @@ -173,5 +176,13 @@ class TestDocs(TestCase): except ValueError: pass + def test_poly_int_overflow(self): + """ + Regression test for gh-5096. + """ + v = np.arange(1, 21) + assert_almost_equal(np.poly(v), np.poly(np.diag(v))) + + if __name__ == "__main__": run_module_suite() |