Skip to content

[ENHANCEMENT] Define BlockSparseArrays.blocktype(randn(2, 2)) #35

Description

@mtfishman

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.

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    enhancementNew feature or request

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions