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more shift tests (#17083)

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chenyu
2026-07-19 16:05:13 -04:00
committed by GitHub
parent 89117d8b9e
commit ac3f56a1a2
1 changed files with 19 additions and 10 deletions
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test/backend/test_dtype_alu.py
+19 -10
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@@ -291,24 +291,33 @@ class TestDTypeALU(unittest.TestCase):
@Context(EMULATED_DTYPES="long")
def test_emulated_int64(self, a, b, op): universal_test(a, b, dtypes.int64, op)
@Context(EMULATED_DTYPES="long")
def test_emulated_shl(self):
distances = [0, 5, 31, 32, 62]
for dtype, values in ((dtypes.int64, [-0x1234, 0x80000001, -1, 0x1234, 1]),
(dtypes.uint64, [0x80000001, 0x80000001, 1, 0xFEDC, 1])):
def _test_shl(self):
for dtype, values, distances in ((dtypes.int64, [-0x1234, 0x80000001, -1, 0x1234, 1], [0, 5, 31, 32, 62]),
(dtypes.uint64, [0x80000001, 0x80000001, 1, 0xFEDC, 1], [0, 5, 31, 32, 62]),
(dtypes.int8, [-3, 1, 7, -2, 1], [0, 1, 3, 5, 6]),
(dtypes.uint16, [3, 1, 0xFF, 7, 1], [0, 1, 7, 12, 15])):
with self.subTest(dtype=dtype):
result = Tensor(values, dtype=dtype) << Tensor(distances, dtype=dtype)
np.testing.assert_equal(result.numpy(), [x << d for x, d in zip(values, distances)])
@Context(EMULATED_DTYPES="long")
def test_emulated_shr(self):
distances = [0, 5, 31, 32, 63]
for dtype, values in ((dtypes.int64, [-(2**40), -1, -(2**50), -(2**40), 0x123456789ABCDEF]),
(dtypes.uint64, [0xFEDCBA9876543210] * len(distances))):
def _test_shr(self):
for dtype, values, distances in ((dtypes.int64, [-(2**40), -1, -(2**50), -(2**40), 0x123456789ABCDEF], [0, 5, 31, 32, 63]),
(dtypes.uint64, [0xFEDCBA9876543210] * 5, [0, 5, 31, 32, 63]),
(dtypes.int8, [-128, -1, 64, -37, 1], [0, 1, 3, 5, 7]),
(dtypes.uint16, [0xFFFF] * 5, [0, 1, 8, 13, 15])):
with self.subTest(dtype=dtype):
result = Tensor(values, dtype=dtype) >> Tensor(distances, dtype=dtype)
np.testing.assert_equal(result.numpy(), [x >> d for x, d in zip(values, distances)])
def test_shl(self): self._test_shl()
def test_shr(self): self._test_shr()
@Context(EMULATED_DTYPES="long")
def test_emulated_shl(self): self._test_shl()
@Context(EMULATED_DTYPES="long")
def test_emulated_shr(self): self._test_shr()
@given(ht.uint8, strat.sampled_from(integer_unary_operations))
def test_uint8_unary(self, a, op): universal_test_unary(a, dtypes.uint8, op)