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Make map/broadcast a bit more customizable #152

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Merged
merged 1 commit into from
Jun 19, 2025
Merged

Make map/broadcast a bit more customizable #152

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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 <support@itensor.org> and contributors"]
version = "0.7.16"
version = "0.7.17"

[deps]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
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4 changes: 2 additions & 2 deletions src/blocksparsearrayinterface/map.jl
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Expand Up @@ -26,14 +26,14 @@ function viewblock_stored(a::AbstractArray{<:Any,N}, I::Block{N}) where {N}
return viewblock_stored(a, Tuple(I)...)
end

using FillArrays: Zeros
using FillArrays: Zeros, fillsimilar
# Get a view of a block if it is stored, otherwise return a lazy zeros.
function viewblock_or_zeros(a::AbstractArray{<:Any,N}, I::Vararg{Block{1},N}) where {N}
if isstored(a, I...)
return viewblock_stored(a, I...)
else
block_ax = map((ax, i) -> eachblockaxis(ax)[Int(i)], axes(a), I)
return Zeros{eltype(a)}(block_ax)
return fillsimilar(Zeros{eltype(a)}(block_ax), block_ax)
end
end
function viewblock_or_zeros(a::AbstractArray{<:Any,N}, I::Block{N}) where {N}
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