Add efficient O(nnz) isdiag for sparse matrices#672

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ViralBShah merged 3 commits intoJuliaSparse:mainfrom

ChrisRackauckas-Claude:efficient-isdiag

Feb 13, 2026

Commits on Feb 3, 2026

Add efficient O(nnz) isdiag for sparse matrices

claude
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ChrisRackauckas
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Fix isdiag to support non-square matrices

claude
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ChrisRackauckas
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ChrisRackauckas-Claude
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ChrisRackauckas
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