add undef initializers #263
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Codecov Report
@@ Coverage Diff @@
## main #263 +/- ##
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Coverage 92.01% 92.02%
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Files 12 12
Lines 7317 7319 +2
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+ Hits 6733 6735 +2
Misses 584 584
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Is this semantically correct compared to other undef initializers? If so this seems like a fine addition. |
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it seems so, the type has to be given as type parameter, it creates a new object of the same type |
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I'll approve with a few tests and maybe a short docstring to clarify that this is an empty spmatrix. |
Contributor
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done |
fredrikekre
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Sep 22, 2022
This patch updates SparseArrays. In particular it contains JuliaSparse/SparseArrays.jl#260 which is necessary to make progress in #46759. All changes: - Fix ambiguities with Base. (JuliaSparse/SparseArrays.jl#268) - add == for vectors (JuliaSparse/SparseArrays.jl#248) - add undef initializers (JuliaSparse/SparseArrays.jl#263) - Make sure reductions benefit from sparsity (JuliaSparse/SparseArrays.jl#244) - Remove fkeep! from the documentation (JuliaSparse/SparseArrays.jl#261) - Fix direction of circshift (JuliaSparse/SparseArrays.jl#260) - Fix `vcat` of sparse vectors with numbers (JuliaSparse/SparseArrays.jl#253) - decrement should always return a vector (JuliaSparse/SparseArrays.jl#241) - change order of arguments in fkeep, fix bug with fixed elements (JuliaSparse/SparseArrays.jl#240) - Sparse matrix/vectors with fixed sparsity pattern. (JuliaSparse/SparseArrays.jl#201)
fredrikekre
added a commit
to JuliaLang/julia
that referenced
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Sep 27, 2022
This patch updates SparseArrays. In particular it contains JuliaSparse/SparseArrays.jl#260 which is necessary to make progress in #46759. All changes: - Fix ambiguities with Base. (JuliaSparse/SparseArrays.jl#268) - add == for vectors (JuliaSparse/SparseArrays.jl#248) - add undef initializers (JuliaSparse/SparseArrays.jl#263) - Make sure reductions benefit from sparsity (JuliaSparse/SparseArrays.jl#244) - Remove fkeep! from the documentation (JuliaSparse/SparseArrays.jl#261) - Fix direction of circshift (JuliaSparse/SparseArrays.jl#260) - Fix `vcat` of sparse vectors with numbers (JuliaSparse/SparseArrays.jl#253) - decrement should always return a vector (JuliaSparse/SparseArrays.jl#241) - change order of arguments in fkeep, fix bug with fixed elements (JuliaSparse/SparseArrays.jl#240) - Sparse matrix/vectors with fixed sparsity pattern. (JuliaSparse/SparseArrays.jl#201)
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This is useful to have a unified way to create sparse and dense vectors.
Will add tests if the feature is considered useful / needed