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More robust blockreshape #169

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Merged
merged 2 commits into from
Aug 17, 2025
Merged

More robust blockreshape #169

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cdf333a
More robust blockreshape
mtfishman Aug 16, 2025
484e347
More general fix
mtfishman Aug 17, 2025
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
name = "BlockSparseArrays"
uuid = "2c9a651f-6452-4ace-a6ac-809f4280fbb4"
authors = ["ITensor developers <[email protected]> and contributors"]
version = "0.9.1"
version = "0.9.2"

[deps]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
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5 changes: 5 additions & 0 deletions src/BlockArraysExtensions/BlockArraysExtensions.jl
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Expand Up @@ -278,6 +278,11 @@ function _blockreshape(a::AbstractArray, axes::Tuple{Vararg{AbstractUnitRange}})
return reshape(reshaped_blocks_a[I], block_axes_I)
end
bs = Dict(Block(Tuple(I)) => f(I) for I in eachstoredindex(reshaped_blocks_a))
if !isconcretetype(eltype(bs))
# This branch only seems to be required in Julia 1.10, not Julia 1.11.
# TODO: Remove this branch once Julia 1.10 support is dropped.
bs = Dict{Block{length(axes),Int},AbstractArray{eltype(a),length(axes)}}()
end
return blocksparse(bs, axes)
end

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