Add CFD tests

Author: antonwolfy

dpnp/dpnp_iface_statistics.py

@@ -836,9 +836,10 @@ def cov(
     --------
     >>> import dpnp as np
     >>> x = np.array([[0, 2], [1, 1], [2, 0]]).T
-    
-    Consider two variables, :math:`x_0` and  :math:`x_1`, which correlate perfectly, but in opposite directions:
-    
+
+    Consider two variables, :math:`x_0` and  :math:`x_1`, which correlate
+    perfectly, but in opposite directions:
+
     >>> x
     array([[0, 1, 2],
            [2, 1, 0]])

dpnp/tests/test_sycl_queue.py

@@ -463,6 +463,7 @@ def test_meshgrid(device):
             "cos", [-dpnp.pi / 2, -dpnp.pi / 4, 0.0, dpnp.pi / 4, dpnp.pi / 2]
         ),
         pytest.param("cosh", [-5.0, -3.5, 0.0, 3.5, 5.0]),
+        pytest.param("cov", [[0, 1, 2], [2, 1, 0]]),
         pytest.param("count_nonzero", [3, 0, 2, -1.2]),
         pytest.param("cumprod", [[1, 2, 3], [4, 5, 6]]),
         pytest.param("cumsum", [[1, 2, 3], [4, 5, 6]]),
@@ -729,6 +730,7 @@ def test_reduce_hypot(device):
             [[0.7, 0.8, 0.9], [1.0, 1.1, 1.2]],
         ),
         pytest.param("correlate", [1, 2, 3], [4, 5, 6]),
+        pytest.param("cov", [-2.1, -1, 4.3], [3, 1.1, 0.12]),
         pytest.param("cross", [1.0, 2.0, 3.0], [4.0, 5.0, 6.0]),
         pytest.param("digitize", [0.2, 6.4, 3.0], [0.0, 1.0, 2.5, 4.0]),
         pytest.param(

dpnp/tests/test_usm_type.py

@@ -621,6 +621,7 @@ def test_norm(usm_type, ord, axis):
             "cos", [-dp.pi / 2, -dp.pi / 4, 0.0, dp.pi / 4, dp.pi / 2]
         ),
         pytest.param("cosh", [-5.0, -3.5, 0.0, 3.5, 5.0]),
+        pytest.param("cov", [[0, 1, 2], [2, 1, 0]]),
         pytest.param("count_nonzero", [0, 1, 7, 0]),
         pytest.param("cumlogsumexp", [1.0, 2.0, 4.0, 7.0]),
         pytest.param("cumprod", [[1, 2, 3], [4, 5, 6]]),
@@ -739,6 +740,7 @@ def test_1in_1out(func, data, usm_type):
         pytest.param("correlate", [1, 2, 3], [0, 1, 0.5]),
         # dpnp.dot has 3 different implementations based on input arrays dtype
         # checking all of them
+        pytest.param("cov", [-2.1, -1, 4.3], [3, 1.1, 0.12]),
         pytest.param("dot", [3.0, 4.0, 5.0], [1.0, 2.0, 3.0]),
         pytest.param("dot", [3, 4, 5], [1, 2, 3]),
         pytest.param("dot", [3 + 2j, 4 + 1j, 5], [1, 2 + 3j, 3]),