JuliaArrays / JuliaArrays/StaticArrays.jl
Stop having StaticArrays-specific `LU` and `QR` implementations
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- Dominant language
- Julia
- Stars
- 844
- Forks
- 159
- Avg merge
- 3d 21h
- Merged PRs (30d)
- 3
Description
After https://github.com/JuliaLang/julia/pull/42594, we should in principle be able to return LinearAlgebra.LU instead of StaticArrays.LU from lu (similarly for qr). It's not immediately swappable though, since LinearAlgebra.LU stores the factors while StaticArrays currently stores the L and U matrices explicitly.
Would be nice to get rid of these, to obviate the need to include them in a "core" package (cf. https://github.com/JuliaArrays/StaticArrays.jl/issues/1023#issuecomment-1133756057).
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the lu and qr entry points and compare StaticArrays.LU and StaticArrays.QR with LinearAlgebra.LU and the corresponding standard QR type. Determine how the stored factors can be represented by the standard types; done means lu and qr no longer return StaticArrays-specific factorization types and the core-package dependency is no longer needed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- backend
- Issue type
- Refactor
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 30/100