Fix kernel basis computation for polynomial matrix in corner case #37208
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New commit adds a test for the new behaviour. |
xcaruso
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Jan 31, 2024
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LGTM! I give a positive review, once all checkings pass. |
xcaruso
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Jan 31, 2024
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Documentation preview for this PR (built with commit f503b52; changes) is ready! 🎉 |
vneiger
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I have implemented the `automatic size labeler`, which now assigns labels to pull requests based on the number of lines changed **Minimal** Typically involves very small changes, bug fixes, or updates that require only a few lines of code, often less than 50. sagemath#37208 sagemath#37146 sagemath#37043 **Small** Involves more substantial changes than minimal, potentially adding new features or making modifications to existing ones. The range is usually between 50 to 100 lines of code. sagemath#37152 sagemath#37132 **Moderate** Represents a significant portion of the codebase being modified, such as adding new features, refactoring, or making extensive changes to existing functionalities. This might involve between 100 to 300 lines of code. sagemath#36919 sagemath#37112 **Large** Involves substantial and complex changes across various parts of the codebase. This could include major architectural changes, the introduction of new modules, or a significant overhaul of existing features, often exceeding 300 lines of code. sagemath#37125 sagemath#36977 sagemath#36972 ### 📝 Checklist <!-- Put an `x` in all the boxes that apply. --> <!-- If your change requires a documentation PR, please link it appropriately --> <!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> <!-- Feel free to remove irrelevant items. --> - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. Fixes: sagemath#37254 URL: sagemath#37262 Reported by: Aman Moon Reviewer(s): Sebastian Oehms
vbraun
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Apr 20, 2024
I have implemented the `automatic size labeler`, which now assigns labels to pull requests based on the number of lines changed **Minimal** Typically involves very small changes, bug fixes, or updates that require only a few lines of code, often less than 50. sagemath#37208 sagemath#37146 sagemath#37043 **Small** Involves more substantial changes than minimal, potentially adding new features or making modifications to existing ones. The range is usually between 50 to 100 lines of code. sagemath#37152 sagemath#37132 **Moderate** Represents a significant portion of the codebase being modified, such as adding new features, refactoring, or making extensive changes to existing functionalities. This might involve between 100 to 300 lines of code. sagemath#36919 sagemath#37112 **Large** Involves substantial and complex changes across various parts of the codebase. This could include major architectural changes, the introduction of new modules, or a significant overhaul of existing features, often exceeding 300 lines of code. sagemath#37125 sagemath#36977 sagemath#36972 ### 📝 Checklist <!-- Put an `x` in all the boxes that apply. --> <!-- If your change requires a documentation PR, please link it appropriately --> <!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> <!-- Feel free to remove irrelevant items. --> - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. Fixes: sagemath#37254 URL: sagemath#37262 Reported by: Aman Moon Reviewer(s): Sebastian Oehms
vbraun
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Apr 25, 2024
I have implemented the `automatic size labeler`, which now assigns labels to pull requests based on the number of lines changed **Minimal** Typically involves very small changes, bug fixes, or updates that require only a few lines of code, often less than 50. sagemath#37208 sagemath#37146 sagemath#37043 **Small** Involves more substantial changes than minimal, potentially adding new features or making modifications to existing ones. The range is usually between 50 to 100 lines of code. sagemath#37152 sagemath#37132 **Moderate** Represents a significant portion of the codebase being modified, such as adding new features, refactoring, or making extensive changes to existing functionalities. This might involve between 100 to 300 lines of code. sagemath#36919 sagemath#37112 **Large** Involves substantial and complex changes across various parts of the codebase. This could include major architectural changes, the introduction of new modules, or a significant overhaul of existing features, often exceeding 300 lines of code. sagemath#37125 sagemath#36977 sagemath#36972 ### 📝 Checklist <!-- Put an `x` in all the boxes that apply. --> <!-- If your change requires a documentation PR, please link it appropriately --> <!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> <!-- Feel free to remove irrelevant items. --> - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. Fixes: sagemath#37254 URL: sagemath#37262 Reported by: Aman Moon Reviewer(s): Sebastian Oehms
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For univariate polynomial matrices, either with zero columns (or zero rows if
row_wise=False), or which are zero, the computed minimal kernel basis was of the sparse type (due to a mistake in using the identity method). This is fixed.⌛ Dependencies
PR #37201 modified a test in the same file
matrix_polynomial_dense.pyx