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fix div 0 error of split #49958

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merged 4 commits into from
Feb 6, 2023
Merged

fix div 0 error of split #49958

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3920124
fix div 0 error of split
Liyulingyue Jan 20, 2023
bc13180
bug fix
Liyulingyue Jan 20, 2023
39cf104
bug fix; unittest change into dygraph
Liyulingyue Jan 21, 2023
48bf6c3
xxx
Liyulingyue Feb 4, 2023
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4 changes: 4 additions & 0 deletions paddle/phi/infermeta/unary.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -3600,6 +3600,10 @@ void SplitWithNumInferMeta(const MetaTensor& x,
auto input_axis_dim = x.dims().at(axis_value);
// step1: get formated sections
std::vector<int64_t> sections_vec;
PADDLE_ENFORCE_NE(
num,
0,
phi::errors::InvalidArgument("Attr(num_or_sections) should not be 0."));
PADDLE_ENFORCE_EQ(input_axis_dim % num,
0,
phi::errors::InvalidArgument(
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8 changes: 8 additions & 0 deletions python/paddle/fluid/tests/unittests/test_split_op.py
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Expand Up @@ -336,6 +336,14 @@ def test_axis_type_tensor():

self.assertRaises(TypeError, test_axis_type_tensor)

with paddle.fluid.dygraph.guard():

def test_0_num_tensor():
x = paddle.uniform([1, 1, 1], dtype='float32')
paddle.split(x, num_or_sections=0)

self.assertRaises(ValueError, test_0_num_tensor)


class API_TestSplit(unittest.TestCase):
def test_out(self):
Expand Down