[Accuracy diff No.86] Fix accuracy diff for paddle.gammaln API #73344
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lshpku
approved these changes
Jun 16, 2025
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PR Category
Execute Infrastructure
PR Types
Improvements
Description
原问题是输入小于等于0时 gammaln 的梯度会直接返回 0，参照 torch 的实现对 gammaln_grad kernel 进行了修改
回测结果：
