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resolve gh-1874 #1875

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resolve gh-1874 #1875

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4 changes: 2 additions & 2 deletions dpctl/tensor/_type_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -773,14 +773,14 @@ def result_type(*arrays_and_dtypes):
raise ValueError(
f"Argument {dt} is not supported by the device"
)
res_dt = np.result_type(*dtypes)
res_dt = np.result_type(*dtypes) if dtypes else None
res_dt = _to_device_supported_dtype_impl(res_dt, has_fp16, has_fp64)
for wdt in weak_dtypes:
pair = _resolve_weak_types(wdt, res_dt, target_dev)
res_dt = np.result_type(*pair)
res_dt = _to_device_supported_dtype_impl(res_dt, has_fp16, has_fp64)
else:
res_dt = np.result_type(*dtypes)
res_dt = np.result_type(*dtypes) if dtypes else None
if weak_dtypes:
weak_dt_obj = [wdt.get() for wdt in weak_dtypes]
res_dt = np.result_type(res_dt, *weak_dt_obj)
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6 changes: 6 additions & 0 deletions dpctl/tests/test_usm_ndarray_manipulation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1013,6 +1013,12 @@ def test_result_type():

assert dpt.result_type(*X).kind == np.result_type(*X_np).kind

dtype = np.dtype(np.float64)
X = [dtype.type(3), dtype.type(3)]
X_np = X

assert dpt.result_type(*X) == np.result_type(*X_np)


def test_swapaxes_1d():
get_queue_or_skip()
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