[BE] enable UFMT for torch/nn/functional.py

[XuehaiPan]

Stack from ghstack (oldest at bottom):

• [BE][Easy] enable UFMT for torch/nn/ #128865
• -> [BE] enable UFMT for torch/nn/functional.py #128592

Part of #123062

• Enable UFMT on all files in PyTorch #123062

cc @mrshenli @pritamdamania87 @zhaojuanmao @satgera @gqchen @aazzolini @osalpekar @jiayisuse @H-Huang @kwen2501 @awgu @penguinwu @fegin @XilunWu @wanchaol @fduwjj @wz337 @tianyu-l @wconstab @yf225 @chauhang @d4l3k

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/128592

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✅ You can merge normally! (2 Unrelated Failures)

As of commit 5cdd828 with merge base 7b9e643 ():

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• trunk / macos-py3-arm64-mps / test (mps, 1, 1, macos-m1-13) (gh) (trunk failure)
  test_mps.py::TestMPS::test_mps_allocator_module
• trunk / macos-py3-arm64-mps / test (mps, 1, 1, macos-m1-14) (gh) (trunk failure)
  test_mps.py::TestMPS::test_mps_allocator_module

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[XuehaiPan]

@pytorchbot merge

[pytorchmergebot]

Merge started

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[pytorchmergebot]

The merge job was canceled or timed out. This most often happen if two merge requests were issued for the same PR, or if merge job was waiting for more than 6 hours for tests to finish. In later case, please do not hesitate to reissue the merge command
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[XuehaiPan]

@pytorchbot merge -f "stuck at win ci"

[pytorchmergebot]

Merge started

Your change will be merged immediately since you used the force (-f) flag, bypassing any CI checks (ETA: 1-5 minutes). Please use -f as last resort and instead consider -i/--ignore-current to continue the merge ignoring current failures. This will allow currently pending tests to finish and report signal before the merge.

Learn more about merging in the wiki.

Questions? Feedback? Please reach out to the PyTorch DevX Team

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