ITensor/BlockSparseArrays.jl

View on GitHub

Stars: 3
Forks: 3
Open beginner issues: 0
Indexed issues: 13
Avg merge: 14m
Merged PRs (30d): 3

Dominant language: Julia
License: Apache-2.0
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

13 open issues indexed

[BUG] Broadcasting a vector into an `n x 1` block sparse matrix fails Open

bug

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

ITensor/BlockSparseArrays.jl#200 · Opened Jan 16, 2026
[BUG] Block sparse matvec is broken Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

ITensor/BlockSparseArrays.jl#199 · Opened Jan 16, 2026
[BUG] `*(block sparse, dense)` (and vice versa) is slow Open

bug

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

ITensor/BlockSparseArrays.jl#197 · 6 comments · Opened Jan 15, 2026
[ENHANCEMENT] `Base.map!` needs refactor Open

enhancement

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

ITensor/BlockSparseArrays.jl#112 · Opened May 1, 2025
[ENHANCEMENT] Consider renaming `eachblockstoredindex` to `blockeachstoredindex` Open

enhancement

ITensor/BlockSparseArrays.jl#72 · 4 comments · 1 assignee · Opened Mar 4, 2025
[ENHANCEMENT] Define `blocksparsezeros`, `blocksparserand`, etc. Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 30/100

ITensor/BlockSparseArrays.jl#70 · Opened Mar 3, 2025
[ENHANCEMENT] Store the broadcast style of the blocks in `BlockSparseArrayStyle` Open

enhancement

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

ITensor/BlockSparseArrays.jl#60 · Opened Feb 27, 2025
[ENHANCEMENT] Define `BlockSparseArrays.blocktype(randn(2, 2))` Open

enhancement

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

ITensor/BlockSparseArrays.jl#35 · Opened Feb 3, 2025
[BUG] Investigate potential compilation issues related to overloading `Base.cat` Open

bug

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

ITensor/BlockSparseArrays.jl#34 · Opened Jan 31, 2025
[ENHANCEMENT] Introduce `blockstoredpairs` Open

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

ITensor/BlockSparseArrays.jl#21 · Opened Jan 10, 2025
[BUG] Mixed scalar and block indexing is broken Open

bug

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

ITensor/BlockSparseArrays.jl#19 · Opened Jan 3, 2025
[ENHANCEMENT] `blocks(::PermutedDimsArray)` should return `NestedPermutedDimsArray` Open

enhancement

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

ITensor/BlockSparseArrays.jl#17 · 1 comment · Opened Dec 17, 2024
[BlockSparseArrays] BlockSparseArray functionality Open

enhancement

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

ITensor/BlockSparseArrays.jl#2 · 72 comments · Opened Feb 16, 2024

ITensor/BlockSparseArrays.jl

Get new issues in your inbox