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@keewis keewis commented Dec 23, 2019

This fixes an issue with calling ufuncs with mixed args including upcast types: Calling a bivariate ufunc like np.maximum(da, 0 * ureg.m) resulted in pint trying to work with upcast types because __array_ufunc__ works with type objects while is_upcast_type checked object instances.

  • Executed black -t py36 . && isort -rc . && flake8 with no errors
  • The change is fully covered by automated unit tests

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Thanks for catching this!

I have one comment below and a question: would you want to add tests for this now, or wait for the ones outlined in #845?

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keewis commented Dec 23, 2019

I think the tests should go to a PR for #845.

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hgrecco commented Dec 26, 2019

I think the tests should go to a PR for #845.

I agree, merging

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hgrecco commented Dec 26, 2019

bors r+

bors bot added a commit that referenced this pull request Dec 26, 2019
951: ufunc calls with mixed args and upcast types r=hgrecco a=keewis

This fixes an issue with calling ufuncs with mixed args including upcast types: Calling a bivariate ufunc like `np.maximum(da, 0 * ureg.m)` resulted in `pint` trying to work with upcast types because `__array_ufunc__` works with type objects while `is_upcast_type` checked object instances.

- [x] Executed ``black -t py36 . && isort -rc . && flake8`` with no errors
- [ ] The change is fully covered by automated unit tests


Co-authored-by: Keewis <[email protected]>
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bors bot commented Dec 26, 2019

Build succeeded

@bors bors bot merged commit 6f1e41e into hgrecco:master Dec 26, 2019
@keewis keewis deleted the fix-is_upcast_type branch December 27, 2019 00:05
jthielen added a commit to jthielen/pint that referenced this pull request Dec 27, 2019
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3 participants