Implement sparse + sparse matrix addition with transpose/adjoint support for CSC, CSR, and COO formats#27

Merged

albertomercurio merged 10 commits intomainfrom

copilot/implement-sum-abstract-device-sparse-matrix

Jan 26, 2026

Commits on Jan 26, 2026

Initial plan

Copilot
authored and
albertomercurio
committed
Add sparse + sparse matrix addition for CSC, CSR, and COO formats

Copilot
and
albertomercurio
committed
Fix scalar indexing issue and add sparse+sparse benchmarks

Copilot
and
albertomercurio
committed
Fix COO addition to merge duplicates and remove unnecessary test dependency

Copilot
and
albertomercurio
committed
Add transpose/adjoint support for sparse matrix addition

Copilot
and
albertomercurio
committed
Simplify transpose/adjoint addition by using existing conversion methods

Copilot
and
albertomercurio
committed
Consolidate transpose/adjoint tests into main addition testset using iterator pattern

Copilot
and
albertomercurio
committed
Replace allowed_getindex with only() for GPU compatibility

Copilot
and
albertomercurio
committed
Simplify test structure by merging conditionals

Copilot
and
albertomercurio
committed
Fix allowscalar issue
albertomercurio
committed