JuliaArrays/FillArrays.jl

View on GitHub

Julia package for lazily representing matrices filled with a single entry

Stars: 187
Forks: 41
Open beginner issues: 0
Indexed issues: 30
Avg merge: 17h 29m
Merged PRs (30d): 1

Dominant language: Julia
License: MIT
Last GitHub push: Sep 3, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

30 open issues indexed

add more support for Base.setindex Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

JuliaArrays/FillArrays.jl#433 · 1 comment · Opened Jun 14, 2026
Unary broadcasting `identity.(a)` and `ComplexF64.(a)` don't preserve `Ones` and `Zeros` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaArrays/FillArrays.jl#416 · 4 comments · Opened Sep 5, 2025
`-1 .* Eye(2)` isn't `Diagonal{T,FillVector{T}}` Open

JuliaArrays/FillArrays.jl#415 · 1 comment · 1 reaction · 2 assignees · Opened Aug 22, 2025
`permutedims(::RectDiagonal, perm)` isn't `RectDiagonal` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaArrays/FillArrays.jl#413 · Opened Aug 12, 2025
SparseMatrixCSC + Zeros returns dense matrix Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#412 · Opened Jul 31, 2025
`SquareEye` multiplication not specialized Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaArrays/FillArrays.jl#394 · 1 comment · Opened Nov 10, 2024
`reshape` error on Julia master Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#373 · 7 comments · Opened Aug 16, 2024
`cumsum` for `Ones` has inconsistent output type depending on element type Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaArrays/FillArrays.jl#353 · 3 comments · Opened Mar 21, 2024
Let `OneElement` be `AbstractSparseArray`? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#344 · 2 comments · Opened Jan 30, 2024
Support specific `mapreduce` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/FillArrays.jl#301 · 2 comments · 1 reaction · Opened Oct 18, 2023
Operations with Eye do not preserve sparsity Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#265 · 6 comments · Opened Jun 22, 2023
Optimize + for OneElement Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#260 · 2 comments · Opened Jun 1, 2023
Support structured array types Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaArrays/FillArrays.jl#223 · 7 comments · Opened Mar 18, 2023
Why is `IndexStyle` specialized for `Base.OneTo`? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaArrays/FillArrays.jl#195 · 1 comment · Opened Oct 17, 2022
Broadcasting style for FillArrays? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#188 · 3 comments · 1 reaction · Opened Sep 8, 2022
Specialize certain operations for Static.jl Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaArrays/FillArrays.jl#177 · Opened Apr 6, 2022
Empty Tuple Method Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/FillArrays.jl#167 · 2 comments · Opened Dec 4, 2021
`real(::Fill)` gives an array of arrays? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#145 · 6 comments · Opened May 8, 2021
Collision of LazyArrays and FillArrays broadcasting Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#143 · 1 comment · Opened Mar 27, 2021
overload fft Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#135 · 1 comment · Opened Feb 7, 2021
FillArrays sometimes much slower than MappedArrays Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaArrays/FillArrays.jl#134 · 1 comment · Opened Feb 2, 2021
Add multiplication for RectDiagonal Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaArrays/FillArrays.jl#107 · 3 comments · Opened Jul 16, 2020
Unify `Ones` and `Zeros` as `SFill{0}` and `SFill{k}`? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#104 · 9 comments · 3 reactions · Opened Jul 6, 2020
Implement broadcast styles Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#58 · 5 comments · 2 reactions · Opened Jan 4, 2019
Benchmark suite Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#51 · 1 reaction · Opened Dec 5, 2018
what to do about one and zero ? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#47 · 5 comments · Opened Dec 1, 2018
More efficient methods for Eye, Fill, Diagonal, etc. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/FillArrays.jl#44 · 6 comments · Opened Dec 1, 2018
Broadcasting over binary functions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#40 · 5 comments · Opened Nov 7, 2018
Add hcat, vcat, and cat methods Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/FillArrays.jl#23 · 1 comment · 2 reactions · Opened Jul 11, 2018
Lazy vectors of 1s and 0s Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaArrays/FillArrays.jl#21 · 5 comments · 2 reactions · Opened May 28, 2018

JuliaArrays/FillArrays.jl

Get new issues in your inbox