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Fix 空指针 (Null pointer) of case 17 paddle.flip #49972

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Fix 空指针 (Null pointer) of case 17 paddle.flip #49972

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c54d0db
add dimension check in flip
RedContritio Jan 20, 2023
323acbc
raise ValueError when ndim incorrect
RedContritio Jan 22, 2023
108965a
add unittest axis rank for flip
RedContritio Jan 22, 2023
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11 changes: 11 additions & 0 deletions python/paddle/fluid/tests/unittests/test_flip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,17 @@ def test_grad(self):
self.func(p)


class TestFlipError(unittest.TestCase):
def test_axis(self):
paddle.enable_static()

def test_axis_rank():
input = fluid.data(name='input', dtype='float32', shape=[2, 3])
output = paddle.flip(input, axis=[[0]])

self.assertRaises(ValueError, test_axis_rank)


if __name__ == "__main__":
paddle.enable_static()
unittest.main()
3 changes: 3 additions & 0 deletions python/paddle/tensor/manipulation.py
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Expand Up @@ -1329,6 +1329,9 @@ def flip(x, axis, name=None):
if isinstance(axis, int):
axis = [axis]

if np.array(axis).ndim != 1:
raise ValueError('The axis of flip must be a list, tuple or int.')

if in_dygraph_mode():
return _C_ops.flip(x, axis)
else:
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