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Implement broadcast arrays #1410

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djpugh
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@djpugh djpugh commented Nov 6, 2021

  • Improves Numpy Supported functions #981
  • Executed pre-commit run --all-files with no errors
  • The change is fully covered by automated unit tests
  • Documented in docs/ as appropriate
  • Added an entry to the CHANGES file

@MichaelTiemannOSC
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MichaelTiemannOSC commented Dec 28, 2021

I think I need this. I want to be able to broadcast a quantity to a dataframe thusly:

x['foo'] = Q_(1.0, ureg('m'))

Presently I get this error message:

TypeError: object of type 'int' has no len()

If I manually create a PintArray based on the length of X and do some extra work I can cause my scalar quantity to become part of the X dataframe. But a broadcast feature would be wonderful.

@djpugh
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djpugh commented Feb 18, 2022

@hgrecco - the previous tests failed on install of uncertainties==3.0.1

@keewis
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keewis commented Mar 15, 2022

TypeError: object of type 'int' has no len()

Note that you can work around this by setting ureg.force_ndarray_like = True or ureg.force_ndarray = True

@djpugh
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djpugh commented Feb 25, 2024

@hgrecco this seems to be passing and ready to merge - any other comments?

@andrewgsavage
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@hgrecco this seems to be passing and ready to merge - any other comments?

could you change the line in CHANGES to be for the newest version?

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codspeed-hq bot commented May 12, 2024

CodSpeed Performance Report

Merging #1410 will not alter performance

Comparing djpugh:implement_broadcast_arrays (87c18c7) with master (24dd237)

Summary

✅ 437 untouched benchmarks

@andrewgsavage
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I implemented broadcast_arrays after this PR (didn't see this one, my bad)
Looks like the implementation in this PR doesn't work with the test case I made, so this will need looking into

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4 participants