[Precision Depth Alignment] fix precision for paddle.expm1 #75549
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wanghuancoder
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Sep 28, 2025
zhengshengning
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Oct 24, 2025
…dle#75549) * accuracy_stable_expm1 * fix
zhengshengning
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Oct 24, 2025
…dle#75549) * accuracy_stable_expm1 * fix
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Oct 27, 2025
* CallScalarFunction uses the dtype of 'self' as the type of 'other' when opotype is 'div'(#75237) * LinspaceKernel uses the dtype of 'self' as the type of 'step' when tensor is floating (#75238) * align LinspaceKernel * update meta * update gpu kernel * fix LinspaceKernelInner * improve kernel * fix CudaSigmoidGradFunctor and CudaSiluGradFunctor (#75341) * Softplus accuracy and torch alignment 1 (#75363) * [Precision Depth Alignment] paddle.tan reverse calculation: dx = dout *(1 + tan(x)^2) (#75335) * Tan reverse calculation: dx = dout *(1 + tan(x)^2) * [Precision Depth Alignment] Add support for CUDNN to paddle.nn.functional.grid_sample to align with torch accuracy. (#75355) * accuracy_stable_grid_sample * fix * correlation supports big tensor (#75383) * fix * fix test * fix * paddle.tanh Grad and torch alignment (float16) (#75454) * [Precision Depth Alignment] paddle.sin and paddle.cos aligns with torch precision. (#75503) * accuracy_stable_sin * accuracy_stable_cos * [深度对齐]Divide (#75379) * fix * fix * fix * fix * fix * [Precision Depth Alignment] fix precision for float16 of paddle.tan backward (#75525) * fix precision for float16 of paddle.tan backward * fix else branch of CudaTanGradFunctor * [Precision Depth Alignment] fix precision for paddle.expm1 (#75549) * accuracy_stable_expm1 * fix * Bigtensor排查修复[Paddle/paddle/phi/kernels/funcs] (#75523) * fix * fix * [Precision Depth Alignment] fix beta and threshold of paddle.nn.functional.softplus to double (#75426) * fix beta and threshold of Softplus to double * fix test_softplus_activation_fuse_pass v1 * fix test_activation_zero * fix flaot of SoftplusDoubleGradKernel to double * add op_patches for softplus * add yaml for ops/yaml/legacy * fix infershape/operator for FLOAT64 * fix * add SoftPlusOpTranscriber * fix * fix * fix1 * fix2 * fix coverage * fix coverage2 * fix (#75605) * [深度对齐] dot (#75717) * fix * fix * fix dcu * [Precision Depth Alignment] paddle.log aligns with torch precision (#75799) * accuracy_stable_log * accuracy_stable_log * fix * fix * fix * fix * fix5 * [Precision Depth Alignment] fix eps of paddle.logit from float to double (#75816) * accuracy_stable_logit * add LogitOpTranscriber * fix coverage * fix 0yaml * [Precision Depth Alignment] paddle.log_sigmoid (#75898) * accuracy_stable_log_sigmoid * fix test_activation_stride_op.py * [Precision Depth Alignment] Modify the negative_slope parameter of the paddle.nn.functional.leaky_relu API to double (#75547) * [big tensor] Paddle/paddle/phi/kernels/funcs gpuBigtensor (#75856) * fix funcs * gpu * fix * fix * 修改PADDLE_ENFORCE信息 * fix cpu error * fix dcu * fix dcu * fix * [Fix] log sigmoid complex (#75953) * feature: Add specialized LogSigmoidFunctor and CudaLogSigmoidFunctor for complex numbers This commit introduces specialized implementations of LogSigmoidFunctor and CudaLogSigmoidFunctor to handle complex number inputs. The new implementations utilize direct formulas for improved accuracy and stability in calculations involving complex types. * refactor: Optimize LogSigmoidFunctor and CudaLogSigmoidFunctor for complex types by caching exp(-x) to reduce redundant computations. This change enhances performance while maintaining accuracy in calculations. * refactor: modified the formula in LogSigmoidFunctor to make it numerical stable --------- Co-authored-by: Zhan Rongrui <46243324+zrr1999@users.noreply.github.com> Co-authored-by: 正在学习 <62892980+cszdrg@users.noreply.github.com> Co-authored-by: Bvicii <98971614+scyyh11@users.noreply.github.com>
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PR Category
Operator Mechanism
PR Types
New features
Description
PR描述：
复数
expm1实现优化Expm1<ComplexType<T>>()(x)local_expm1函数，使用数学公式：梯度计算修正
从
dout * out + dout改为dout * (out + 1)✓测试结果：
paddle.expm1 全部与torch对齐（测试case 18 个）
pcard-93269