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[BlockSparseArrays] Zero dimensional block sparse array and some fixes for Adjoint and PermutedDimsArray #1574

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merged 8 commits into from
Nov 9, 2024

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@mtfishman mtfishman commented Nov 8, 2024

Fixes an issue brought up in ITensor/BlockSparseArrays.jl#2 that BlockSparseArray{Float64}() failed. I also fixed getting and setting elements of zero dimensional block sparse arrays. Probably there is more functionality to fix but at least this is a good start.

This also fixes an issue preserving axes duality when copying a' (ITensor/BlockSparseArrays.jl#2) and a printing issue with a' where the axes weren't being reversed properly.

In the latest, I've also fixed a bug in PermutedDimsArray(a, perm) that was raised here: ITensor/BlockSparseArrays.jl#2.

Some code in this PR can be simplified once JuliaArrays/BlockArrays.jl#431 is merged.

To-do:

  • Test zero dimensional BlockSparseArray.
  • Test copying PermutedDimsArray(a, perm).
  • Test preserving axis duality in copy(a').

@mtfishman mtfishman changed the title [BlockSparseArrays] Zero dimensional block sparse array [BlockSparseArrays] Zero dimensional block sparse array and some fixes for Adjoint Nov 8, 2024
@mtfishman mtfishman changed the title [BlockSparseArrays] Zero dimensional block sparse array and some fixes for Adjoint [BlockSparseArrays] Zero dimensional block sparse array and some fixes for Adjoint and PermutedDimsArray Nov 8, 2024
@mtfishman mtfishman merged commit 49c1202 into main Nov 9, 2024
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@mtfishman mtfishman deleted the BlockSparseArrays_zero_dims branch November 9, 2024 17:50
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