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Diffstat (limited to 'numpy/lib/tests/test_shape_base.py')
| -rw-r--r-- | numpy/lib/tests/test_shape_base.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_shape_base.py b/numpy/lib/tests/test_shape_base.py index 07960627b..76058cf20 100644 --- a/numpy/lib/tests/test_shape_base.py +++ b/numpy/lib/tests/test_shape_base.py @@ -644,6 +644,35 @@ class TestSqueeze: class TestKron: + def test_basic(self): + # Using 0-dimensional ndarray + a = np.array(1) + b = np.array([[1, 2], [3, 4]]) + k = np.array([[1, 2], [3, 4]]) + assert_array_equal(np.kron(a, b), k) + a = np.array([[1, 2], [3, 4]]) + b = np.array(1) + assert_array_equal(np.kron(a, b), k) + + # Using 1-dimensional ndarray + a = np.array([3]) + b = np.array([[1, 2], [3, 4]]) + k = np.array([[3, 6], [9, 12]]) + assert_array_equal(np.kron(a, b), k) + a = np.array([[1, 2], [3, 4]]) + b = np.array([3]) + assert_array_equal(np.kron(a, b), k) + + # Using 3-dimensional ndarray + a = np.array([[[1]], [[2]]]) + b = np.array([[1, 2], [3, 4]]) + k = np.array([[[1, 2], [3, 4]], [[2, 4], [6, 8]]]) + assert_array_equal(np.kron(a, b), k) + a = np.array([[1, 2], [3, 4]]) + b = np.array([[[1]], [[2]]]) + k = np.array([[[1, 2], [3, 4]], [[2, 4], [6, 8]]]) + assert_array_equal(np.kron(a, b), k) + def test_return_type(self): class myarray(np.ndarray): __array_priority__ = 1.0 |