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Quantities from dtype object arrays

See original GitHub issue

Description

This might be related to #13836, but I am not sure.

Expected behavior

u.Quantity(np.array([[1,2], [1,2,3], [1, 2]], dtype=object),u.m)

should work and give back

[[1, 2], [1, 2, 3], [1, 2]] m

Similarly, I would expect that

u.Quantity(np.array([[1,2], [], [1, 2]], dtype=object),u.m)

would give

[[1, 2], [], [1, 2]] m

In case all elements are long the same it works already,

u.Quantity(np.array([[1,2], [1,3], [1, 2]], dtype=object),u.m)

gives

[[1, 2], [1, 3], [1, 2]] m

Actual behavior

see above

Steps to Reproduce

See above

System Details

macOS-11.7.1-x86_64-i386-64bit Python 3.9.13 | packaged by conda-forge | (main, May 27 2022, 17:01:00) [Clang 13.0.1 ] Numpy 1.23.4 pyerfa 2.0.0.1 astropy 5.1.1 Scipy 1.9.3 Matplotlib 3.6.2

Issue Analytics

State:
Created 10 months ago
Comments:10 (7 by maintainers)

Top GitHub Comments

1reaction

mhvkcommented, Nov 16, 2022

Note that I think this is a “bug” only in the sense that perhaps we should not accept any object arrays. The main reason we do is to support arrays of Decimal and Fraction.

0reactions

github-actions[bot]commented, Nov 25, 2022

I’m going to close this issue as per my previous message, but if you feel that this issue should stay open, then feel free to re-open and remove the Close? label.

If this is the first time I am commenting on this issue, or if you believe I closed this issue incorrectly, please report this here

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