Add CFD tests

Author: antonwolfy

dpnp/tests/test_sycl_queue.py

@@ -1470,6 +1470,14 @@ def test_interp(device, left, right, period):
     assert_sycl_queue_equal(result.sycl_queue, x.sycl_queue)
 
 
+@pytest.mark.parametrize("device", valid_dev, ids=dev_ids)
+def test_erf(device):
+    x = dpnp.linspace(-3, 3, num=5, device=device)
+
+    result = dpnp.special.erf(x)
+    assert_sycl_queue_equal(result.sycl_queue, x.sycl_queue)
+
+
 @pytest.mark.parametrize("device", valid_dev, ids=dev_ids)
 class TestLinAlgebra:
     @pytest.mark.parametrize(

dpnp/tests/test_usm_type.py

@@ -1279,6 +1279,13 @@ def test_choose(usm_type_x, usm_type_ind):
     assert z.usm_type == du.get_coerced_usm_type([usm_type_x, usm_type_ind])
 
 
+@pytest.mark.parametrize("usm_type", list_of_usm_types)
+def test_erf(usm_type):
+    x = dpnp.linspace(-3, 3, num=5, usm_type=usm_type)
+    y = dpnp.special.erf(x)
+    assert x.usm_type == y.usm_type == usm_type
+
+
 class TestInterp:
     @pytest.mark.parametrize("usm_type_x", list_of_usm_types)
     @pytest.mark.parametrize("usm_type_xp", list_of_usm_types)