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forward-mode differentiation of lax.scan suddenly not working
See original GitHub issueWhen running a piece of code that was working earlier today, I am suddenly getting the following error
NotImplementedError: Forward-mode differentiation rule for 'while' not implemented
If necessary I can try to create a minimal repo, but I will say that if I replace a lax.scan call with a for loop then this error goes away.
Issue Analytics
- State:
- Created 4 years ago
- Comments:6 (4 by maintainers)
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Whooo!!! As always, what a herculean effort Matt!!
I think I introduced the real issue in #1224, because in these lines I’m effectively creating JVPTracers (with zeros) for integer-valued arguments. I think Dougal had some clever way of avoiding that before, and I clobbered it!