Adding sparse support#32

Draft

Phionx wants to merge 14 commits intomainfrom

Commits on Oct 10, 2025

first draft on qarray sparse
Phionx
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Commits on Oct 13, 2025

Commits on Oct 14, 2025

Commits on Oct 15, 2025

Commits on Nov 6, 2025

Commits on Nov 29, 2025

Merge branch 'main' into feature/sparse
Phionx
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Commits on Nov 30, 2025

deleted unnecessary lines
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Commits on Dec 7, 2025

Merge branch 'main' into feature/sparse
Phionx
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