Add vmap support for slogdet; fix regression from functorch 0.2.1 (#8… #86902
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…6815)
This PR adds vmap support for slogdet -- slogdet just decomposes into linalg.slogdet.
This fixes a regression from functorch 0.2.1 (slogdet had a batching rule then, and doesn't anymore). We didn't catch the regression because it seems like slogdet doesn't have an OpInfo (I'm not sure if it had one before).
Test Plan:
Pull Request resolved: Add vmap support for slogdet; fix regression from functorch 0.2.1 #86815
Approved by: https://github.com/samdow