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CBC.solve_via_data: Work around broken CyLP infeasibility detection #1703

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CBC.solve_via_data: Work around broken CyLP infeasibility detection #1703

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mkoeppe
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@mkoeppe mkoeppe commented Mar 13, 2022

Description

Please include a short summary of the change.
Issue link (if applicable):

coin-or/CyLP#81
@tkralphs

Type of change

  • New feature (backwards compatible)
  • New feature (breaking API changes)
  • Bug fix
  • Other (Documentation, CI, ...)

Contribution checklist

  • Add our license to new files.
  • Check that your code adheres to our coding style.
  • Write unittests.
  • Run the unittests and check that they’re passing.
  • Run the benchmarks to make sure your change doesn’t introduce a regression.

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CLAassistant commented Mar 13, 2022 •
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@SteveDiamond
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Thanks for contributing! This fix doesn't seem to work in all cases. You can see the tests that failed.

@mkoeppe mkoeppe mentioned this pull request Mar 14, 2022
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mkoeppe commented Mar 14, 2022

Thanks for contributing! This fix doesn't seem to work in all cases. You can see the tests that failed.

Yes, the fix is not correct as is. A proper fix will need to go through coin-or/CyLP#150, #1707

@rileyjmurray
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rileyjmurray commented Mar 16, 2022 •
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I believe this has been superseded by #1705, so I'll close this for now. @mkoeppe let me know if I jumped the gun here.

@mkoeppe mkoeppe mentioned this pull request Jan 30, 2023
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@mkoeppe @CLAassistant @SteveDiamond @rileyjmurray