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allow matrix_to_quaternion onnx export

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Summary: Attempt to allow torch.onnx.dynamo_export(matrix_to_quaternion) to work.

Differential Revision: D59812279

fbshipit-source-id: 4497e5b543bec9d5c2bdccfb779d154750a075ad
This commit is contained in:
Jeremy Reizenstein 2024-07-16 11:30:20 -07:00 committed by Facebook GitHub Bot
parent d0d0e02007
commit 7edaee71a9
1 changed files with 4 additions and 1 deletions
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pytorch3d/transforms/rotation_conversions.py
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@ -97,7 +97,10 @@ def _sqrt_positive_part(x: torch.Tensor) -> torch.Tensor:
"""
ret = torch.zeros_like(x)
positive_mask = x > 0
if torch.is_grad_enabled():
ret[positive_mask] = torch.sqrt(x[positive_mask])
else:
ret = torch.where(positive_mask, torch.sqrt(x), ret)
return ret