Added support for arrays for fill_falue for full() function

Author: npolina4

dpctl/tensor/_ctors.py

@@ -763,6 +763,8 @@ def full(
         order = order[0].upper()
     dpctl.utils.validate_usm_type(usm_type, allow_none=False)
     sycl_queue = normalize_queue_device(sycl_queue=sycl_queue, device=device)
+    if dtype is None and isinstance(fill_value, (dpt.usm_ndarray, np.ndarray)):
+        dtype = fill_value.dtype
     dtype = _get_dtype(dtype, sycl_queue, ref_type=type(fill_value))
     res = dpt.usm_ndarray(
         sh,

dpctl/tests/test_usm_ndarray_ctor.py

@@ -989,6 +989,17 @@ def test_full_dtype_inference():
     assert np.issubdtype(dpt.full(10, 0.3 - 2j).dtype, np.complexfloating)
 
 
+def test_full_fill_array():
+    q = get_queue_or_skip()
+
+    dtype = np.float16
+    X = dpt.full(10, dpt.usm_ndarray(1, dtype=dtype), sycl_queue=q)
+    assert dtype == X.dtype
+
+    X = dpt.full(10, np.ndarray(1, dtype=dtype), sycl_queue=q)
+    assert dtype == X.dtype
+
+
 @pytest.mark.parametrize(
     "dt",
     _all_dtypes[1:],