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Description
Define BlockSparseArrays.blocktype
for dense arrays. Currently it outputs:
julia> using BlockSparseArrays: BlockSparseArrays
julia> BlockSparseArrays.blocktype(randn(2, 2))
ERROR: MethodError: no method matching blocktype(::Matrix{Float64})
The function `blocktype` exists, but no method is defined for this combination of argument types.
Closest candidates are:
blocktype(::Type{<:Union{var"#s41", var"#s40"} where {T, N, var"#s41"<:BlockSparseArrays.AbstractBlockSparseArray{T, N}, var"#s40"<:Union{Base.LogicalIndex{T, <:BlockSparseArrays.AbstractBlockSparseArray}, Base.ReinterpretArray{T, N, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s14"}, var"#s14"}} where var"#s14"<:BlockSparseArrays.AbstractBlockSparseArray, Base.ReshapedArray{T, N, <:Union{Base.ReinterpretArray{<:Any, <:Any, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s15"}, var"#s15"}}, SubArray{<:Any, <:Any, var"#s15"}, var"#s15"}} where var"#s15"<:BlockSparseArrays.AbstractBlockSparseArray, SubArray{T, N, <:Union{Base.ReinterpretArray{<:Any, <:Any, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s16"}, var"#s16"}}, Base.ReshapedArray{<:Any, <:Any, <:Union{Base.ReinterpretArray{<:Any, <:Any, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s16"}, var"#s16"}}, SubArray{<:Any, <:Any, var"#s16"}, var"#s16"}}, var"#s16"}} where var"#s16"<:BlockSparseArrays.AbstractBlockSparseArray, LinearAlgebra.Adjoint{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Diagonal{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.LowerTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Symmetric{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Transpose{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Tridiagonal{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.UnitLowerTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.UnitUpperTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.UpperTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, PermutedDimsArray{T, N, <:Any, <:Any, <:BlockSparseArrays.AbstractBlockSparseArray}}}})
@ BlockSparseArrays ~/.julia/dev/BlockSparseArrays/src/abstractblocksparsearray/wrappedabstractblocksparsearray.jl:88
blocktype(::Union{BlockSparseArrays.AbstractBlockSparseArray{T, N}, Base.LogicalIndex{T, <:BlockSparseArrays.AbstractBlockSparseArray}, Base.ReinterpretArray{T, N, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s14"}, var"#s14"}} where var"#s14"<:BlockSparseArrays.AbstractBlockSparseArray, Base.ReshapedArray{T, N, <:Union{Base.ReinterpretArray{<:Any, <:Any, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s15"}, var"#s15"}}, SubArray{<:Any, <:Any, var"#s15"}, var"#s15"}} where var"#s15"<:BlockSparseArrays.AbstractBlockSparseArray, SubArray{T, N, <:Union{Base.ReinterpretArray{<:Any, <:Any, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s16"}, var"#s16"}}, Base.ReshapedArray{<:Any, <:Any, <:Union{Base.ReinterpretArray{<:Any, <:Any, <:Any, <:Union{SubArray{<:Any, <:Any, var"#s16"}, var"#s16"}}, SubArray{<:Any, <:Any, var"#s16"}, var"#s16"}}, var"#s16"}} where var"#s16"<:BlockSparseArrays.AbstractBlockSparseArray, LinearAlgebra.Adjoint{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Diagonal{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.LowerTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Symmetric{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Transpose{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.Tridiagonal{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.UnitLowerTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.UnitUpperTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, LinearAlgebra.UpperTriangular{T, <:BlockSparseArrays.AbstractBlockSparseArray{T, N}}, PermutedDimsArray{T, N, <:Any, <:Any, <:BlockSparseArrays.AbstractBlockSparseArray}} where {T, N})
@ BlockSparseArrays ~/.julia/dev/BlockSparseArrays/src/abstractblocksparsearray/wrappedabstractblocksparsearray.jl:87
Stacktrace:
[1] top-level scope
@ REPL[34]:1
That will be useful in generic code. Like BlockArrays.jl, we should in general use a convention that non-blocked arrays act like block sparse arrays with a single stored block.
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