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C#: Add cs/equality-on-floats to the Code Quality suite. #19396

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Merged
merged 4 commits into from
Apr 29, 2025

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michaelnebel
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The precision of the query has been increased to high. Even though comparing floats in many cases yield correct results, it should generally be avoided. If exact comparison is needed, decimal should be used instead.

@michaelnebel michaelnebel marked this pull request as ready for review April 28, 2025 12:08
@Copilot Copilot AI review requested due to automatic review settings April 28, 2025 12:08
@michaelnebel michaelnebel requested a review from a team as a code owner April 28, 2025 12:08
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Pull Request Overview

This PR increases the precision of the cs/equality-on-floats query from medium to high by updating the change notes.

  • Introduces a new change note file outlining the precision update
  • Categorizes the change as a minor analysis update
Files not reviewed (3)
  • csharp/ql/integration-tests/posix/query-suite/csharp-code-quality.qls.expected: Language not supported
  • csharp/ql/src/Likely Bugs/EqualityCheckOnFloats.ql: Language not supported
  • csharp/ql/src/codeql-suites/csharp-code-quality.qls: Language not supported

@michaelnebel
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DCA looks good, but the experiment failed to start for ASP.NET (traced). I tried running the query locally for this repo and the alerts look good (and there doesn't appear to be any issues with performance either).

@michaelnebel michaelnebel merged commit e5d2961 into github:main Apr 29, 2025
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@michaelnebel michaelnebel deleted the csharp/equality-on-floats branch April 29, 2025 09:47
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2 participants