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blocksparsezeros with Float64 default #146

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Merged
merged 2 commits into from
Jun 13, 2025
Merged

blocksparsezeros with Float64 default #146

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5034b2f
blocksparsezeros with Float64 default
mtfishman Jun 13, 2025
5fd9dd5
More robust show method
mtfishman Jun 13, 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 = "0.7.11"
version = "0.7.12"

[deps]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
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5 changes: 4 additions & 1 deletion src/abstractblocksparsearray/wrappedabstractblocksparsearray.jl
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Expand Up @@ -18,7 +18,6 @@ const WrappedAbstractBlockSparseArray{T,N} = WrappedArray{
T,N,AbstractBlockSparseArray,AbstractBlockSparseArray{T,N}
}

# TODO: Rename `AnyBlockSparseArray`.
const AnyAbstractBlockSparseArray{T,N} = Union{
<:AbstractBlockSparseArray{T,N},<:WrappedAbstractBlockSparseArray{T,N}
}
Expand Down Expand Up @@ -414,3 +413,7 @@ function Adapt.adapt_structure(to, a::SubArray{<:Any,<:Any,<:AbstractBlockSparse
# BlockArrays.jl.
return SubArray(adapt(to, parent(a)), parentindices(a))
end

function Base.show(io::IO, a::AnyAbstractBlockSparseArray)
return show(io, convert(Array, a))
end
3 changes: 3 additions & 0 deletions src/blocksparsearray/blocksparsearray.jl
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Expand Up @@ -250,6 +250,9 @@ end
function blocksparsezeros(elt::Type, axes...)
return BlockSparseArray{elt}(undef, axes...)
end
function blocksparsezeros(axes...)
return blocksparsezeros(Float64, axes...)
end
function blocksparsezeros(::BlockType{A}, axes...) where {A<:AbstractArray}
# TODO: Use:
# ```julia
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9 changes: 9 additions & 0 deletions test/test_basics.jl
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Expand Up @@ -159,6 +159,15 @@ arrayts = (Array, JLArray)
end

# Convenient constructors.
a = blocksparsezeros([2, 3], [2, 3])
@test iszero(a)
@test iszero(blockstoredlength(a))
@test a isa BlockSparseMatrix{Float64,Matrix{Float64}}
@test blocktype(a) == Matrix{Float64}
@test blockstype(a) <: SparseMatrixDOK{Matrix{Float64}}
@test blocksize(a) == (2, 2)
@test blocksizes(a) == [(2, 2) (2, 3); (3, 2) (3, 3)]

a = blocksparsezeros(elt, [2, 3], [2, 3])
@test iszero(a)
@test iszero(blockstoredlength(a))
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