[Zero-Dim] support input 0D Tensor for std/var #49735
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你的PR提交成功，感谢你对开源项目的贡献! |
zhwesky2010
reviewed
Jan 16, 2023
zhwesky2010
changed the title
zhwesky2010
reviewed
Feb 8, 2023
| out.backward() | ||
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| # checkout shape of out | ||
| self.assertEqual(out.shape, []) |
| def test_std(self): | ||
| x = paddle.rand([]) | ||
| x.stop_gradient = False | ||
| out = paddle.std(x) |
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再加一种 paddle.std(x, []) 的情形
| # checkout value of out | ||
| self.assertEqual(out, 0) | ||
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| def test_var(self): |
| @@ -1708,6 +1732,26 @@ def test_median(self): | |||
| self.assertEqual(res[2].shape, ()) | |||
| np.testing.assert_allclose(res[2], 1.0) | |||
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| @prog_scope() | |||
python/paddle/tensor/stat.py
Outdated
| @@ -146,20 +146,24 @@ def var(x, axis=None, unbiased=True, keepdim=False, name=None): | |||
| """ | |||
| if not in_dygraph_mode(): | |||
| check_variable_and_dtype(x, 'x', ['float32', 'float64'], 'var') | |||
| if len(x.shape) == 0: | |||
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这样写可能不太美观，如果直接通过原来的分支实现会有问题吗？
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[Zero-Dim] support input 0D Tensor for std/var:
为以下API支持输入0D Tensor，不修改其输出端行为，属于新增功能，无不兼容影响：
paddle.stdpaddle.var