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【HEU】[Paddle Tensor 第二期 复数类型支持] paddle.sign支持复数类型 by fangfangssj · Pull Request #70582 · PaddlePaddle/Paddle · GitHub
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【HEU】[Paddle Tensor 第二期 复数类型支持] paddle.sign支持复数类型 #70582
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| def complex_sign(x): | ||
| magnitude = np.abs(x) | ||
| result = np.zeros_like(x, dtype=x.dtype) | ||
| nonzero = magnitude != 0 | ||
| result[nonzero] = x[nonzero] / magnitude[nonzero] | ||
| return result |
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直接用np.sign即可
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因为这个对复数的操作是在numpy的2.0及以上才实现的，之前的版本不支持这个操作，ci测试中numpy版本各不相同，所以使用了这个自定义的实现
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因为这个对复数的操作是在numpy的2.0及以上才实现的，之前的版本不支持这个操作，ci测试中numpy版本各不相同，所以使用了这个自定义的实现
好的
HydrogenSulfate
approved these changes
Jan 6, 2025
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LGTM
This was referenced Jan 9, 2025
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PR Category
User Experience
PR Types
Bug fixes
Description
为sign增加了complex类型支持
测试的slogdet算子
报错有sign不支持复数（eigen库支持复数的输入）
输出的数据类型不对应(numpy的输出的两个参数一个是complex，一个是float，而paddle的输出均为complex，因兼容性未修改)
下面是在测试代码里转化数据类型后通过