Improve types around potentials in ExpansionWranglerInterface - #126
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alexfikl
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Aug 20, 2026
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| def reorder_potentials(self, potentials: Array) -> Array: | ||
| return potentials[self.tree.sorted_target_ids] | ||
| def reorder_potentials(self, potentials: PotentialArray) -> PotentialArray: | ||
| def reorder(x: Array) -> Array: | ||
| return x[self.tree.sorted_target_ids] | ||
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| return obj_array.vectorize(reorder, potentials) |
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Is this tested anywhere? It seems like it would break when the result is an object array.
| def real(x: Array) -> Array: | ||
| return x.real | ||
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| potentials = obj_array.vectorize(real, potentials) |
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obj_array_real isn't typed 😢
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For what it's worth, this passes on Sphinx 9.1.0: https://github.com/inducer/boxtree/actions/runs/32374671129/job/96443075259?pr=126. |
inducer
enabled auto-merge (rebase)
September 2, 2026 19:44
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Thx! |
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This adds a little
PotentialArray = Array | ObjectArray[Array]alias and uses it in all the functions working with potentials:reorder_potentials,eval_multipoles, etc.I tried doing some sort of
PotentialArrayT = TypeVar(..., bound=CanAdd), but e.g. the pyfmmlib wrangler decides at runtime if the potential is an array or an object array, so that doesn't work.xref: inducer/sumpy#300