[Accuracy diff No.125] Fix accuracy diff for paddle.nn.functional.multi_margin_loss API #73739
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lshpku
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Jul 2, 2025
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PR Category
Operator Mechanism
PR Types
Bug fixes
Description
https://www.paddlepaddle.org.cn/documentation/docs/zh/api/paddle/nn/functional/multi_margin_loss_cn.html
multi_margin_loss weight 应加到 pow计算后，因为有在0和运算值中取较大的值计算，如果weight有负值，计算会有误差
同样修改单测的计算
PaddleAPITest 测试通过，如果测试错误时会随机出现，需要重复运行几次
