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Implement missing LinearAlgebra wrappers and add support for uplo parameter #51

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merged 8 commits into from
Oct 23, 2023
Merged

Implement missing LinearAlgebra wrappers and add support for uplo parameter #51

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bcec0e0
Add tests for missing LinearAlgebra wrappers
danielwe Mar 18, 2022
8c6bf9b
Add support for missing LinearAlgebra wrappers
danielwe Mar 18, 2022
f57fd86
Add tests for Symmetric and Hermitian uplo
danielwe Mar 18, 2022
5f3a6f1
Add support for Symmetric and Hermitian uplo
danielwe Mar 18, 2022
99bcb01
Be specific about dimensionality in tests
danielwe Mar 24, 2022
b8e5809
Correct usage of Src/Dst
danielwe Mar 24, 2022
b6858e0
Drop redundant LinearAlgebra qualifier
danielwe Mar 24, 2022
d29a1e8
Make WrappedSubArray tests more interesting
danielwe Mar 24, 2022
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80 changes: 45 additions & 35 deletions src/wrappers.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -32,24 +32,19 @@ end
$(Expr(:new, :(Base.LogicalIndex{T, typeof(mask)}), :mask, :(A.sum)))
end

adapt_structure(to, A::LinearAlgebra.Adjoint) =
LinearAlgebra.adjoint(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.Transpose) =
LinearAlgebra.transpose(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.LowerTriangular) =
LinearAlgebra.LowerTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.UnitLowerTriangular) =
LinearAlgebra.UnitLowerTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.UpperTriangular) =
LinearAlgebra.UpperTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.UnitUpperTriangular) =
LinearAlgebra.UnitUpperTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.Diagonal) =
LinearAlgebra.Diagonal(adapt(to, Base.parent(A)))
adapt_structure(to, A::LinearAlgebra.Tridiagonal) =
LinearAlgebra.Tridiagonal(adapt(to, A.dl), adapt(to, A.d), adapt(to, A.du))
adapt_structure(to, A::LinearAlgebra.Symmetric) =
LinearAlgebra.Symmetric(adapt(to, Base.parent(A)))
adapt_structure(to, A::Adjoint) = adjoint(adapt(to, Base.parent(A)))
adapt_structure(to, A::Transpose) = transpose(adapt(to, Base.parent(A)))
adapt_structure(to, A::LowerTriangular) = LowerTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::UnitLowerTriangular) = UnitLowerTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::UpperTriangular) = UpperTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::UnitUpperTriangular) = UnitUpperTriangular(adapt(to, Base.parent(A)))
adapt_structure(to, A::Diagonal) = Diagonal(adapt(to, Base.parent(A)))
adapt_structure(to, A::Bidiagonal) = Bidiagonal(adapt(to, A.dv), adapt(to, A.ev), Symbol(A.uplo))
adapt_structure(to, A::Tridiagonal) = Tridiagonal(adapt(to, A.dl), adapt(to, A.d), adapt(to, A.du))
adapt_structure(to, A::SymTridiagonal) = SymTridiagonal(adapt(to, A.dv), adapt(to, A.ev))
adapt_structure(to, A::Symmetric) = Symmetric(adapt(to, Base.parent(A)), Symbol(A.uplo))
adapt_structure(to, A::Hermitian) = Hermitian(adapt(to, Base.parent(A)), Symbol(A.uplo))
adapt_structure(to, A::UpperHessenberg) = UpperHessenberg(adapt(to, Base.parent(A)))


# we generally don't support multiple layers of wrappers, but some occur often
Expand Down Expand Up @@ -93,15 +88,19 @@ const WrappedArray{T,N,Src,Dst} = Union{
#Base.ReshapedArray{T,N,<:Src},
#Base.ReinterpretArray{T,N,<:Any,<:Src},

LinearAlgebra.Adjoint{T,<:Dst},
LinearAlgebra.Transpose{T,<:Dst},
LinearAlgebra.LowerTriangular{T,<:Dst},
LinearAlgebra.UnitLowerTriangular{T,<:Dst},
LinearAlgebra.UpperTriangular{T,<:Dst},
LinearAlgebra.UnitUpperTriangular{T,<:Dst},
LinearAlgebra.Diagonal{T,<:Dst},
LinearAlgebra.Tridiagonal{T,<:Dst},
LinearAlgebra.Symmetric{T,<:Dst},
Adjoint{T,<:Src}, # The adjoint/transpose of a Vector has shape 1xN, so is a 2d
Transpose{T,<:Src}, # wrapper around a 1d array, hence use Src not Dst
LowerTriangular{T,<:Dst},
UnitLowerTriangular{T,<:Dst},
UpperTriangular{T,<:Dst},
UnitUpperTriangular{T,<:Dst},
Diagonal{T,<:Src},
Bidiagonal{T,<:Src},
Tridiagonal{T,<:Src},
SymTridiagonal{T,<:Src},
Symmetric{T,<:Dst},
Hermitian{T,<:Dst},
UpperHessenberg{T,<:Dst},

WrappedReinterpretArray{T,N,<:Src},
WrappedReshapedArray{T,N,<:Src},
Expand All @@ -121,20 +120,31 @@ const WrappedArray{T,N,Src,Dst} = Union{

# accessors for extracting information about the wrapper type
ndims(::Type{<:Base.LogicalIndex}) = 1
ndims(::Type{<:LinearAlgebra.Adjoint}) = 2
ndims(::Type{<:LinearAlgebra.Transpose}) = 2
ndims(::Type{<:LinearAlgebra.LowerTriangular}) = 2
ndims(::Type{<:LinearAlgebra.UnitLowerTriangular}) = 2
ndims(::Type{<:LinearAlgebra.UpperTriangular}) = 2
ndims(::Type{<:LinearAlgebra.UnitUpperTriangular}) = 2
ndims(::Type{<:LinearAlgebra.Diagonal}) = 2
ndims(::Type{<:LinearAlgebra.Tridiagonal}) = 2
ndims(::Type{<:Adjoint}) = 2
ndims(::Type{<:Transpose}) = 2
ndims(::Type{<:LowerTriangular}) = 2
ndims(::Type{<:UnitLowerTriangular}) = 2
ndims(::Type{<:UpperTriangular}) = 2
ndims(::Type{<:UnitUpperTriangular}) = 2
ndims(::Type{<:Diagonal}) = 2
ndims(::Type{<:Bidiagonal}) = 2
ndims(::Type{<:Tridiagonal}) = 2
ndims(::Type{<:SymTridiagonal}) = 2
ndims(::Type{<:Symmetric}) = 2
ndims(::Type{<:Hermitian}) = 2
ndims(::Type{<:UpperHessenberg}) = 2
ndims(::Type{<:WrappedArray{<:Any,N}}) where {N} = N

eltype(::Type{<:WrappedArray{T}}) where {T} = T # every wrapper has a T typevar

for T in [:(Base.LogicalIndex{<:Any,<:Src}),
:(PermutedDimsArray{<:Any,<:Any,<:Any,<:Any,<:Src}),
:(Adjoint{<:Any,<:Src}),
:(Transpose{<:Any,<:Src}),
:(Diagonal{<:Any,<:Src}),
:(Bidiagonal{<:Any,<:Src}),
:(Tridiagonal{<:Any,<:Src}),
:(SymTridiagonal{<:Any,<:Src}),
:(WrappedReinterpretArray{<:Any,<:Any,<:Src}),
:(WrappedReshapedArray{<:Any,<:Any,<:Src}),
:(WrappedSubArray{<:Any,<:Any,<:Src})]
Expand Down
77 changes: 43 additions & 34 deletions test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,9 @@ macro test_adapt(to, src_expr, dst_expr, typ=nothing)
end
end

AnyCustomArray{T,N} = Union{CustomArray,WrappedArray{T,N,CustomArray,CustomArray{T,N}}}
AnyCustomArray{T,N} = Union{CustomArray{T,N},WrappedArray{T,N,CustomArray,CustomArray{T,N}}}
AnyCustomVector{T} = AnyCustomArray{T,1}
AnyCustomMatrix{T} = AnyCustomArray{T,2}


# basic adaption
Expand Down Expand Up @@ -128,75 +130,82 @@ end

@testset "array wrappers" begin

@test_adapt CustomArray view(mat.arr,:,:) view(mat,:,:) AnyCustomArray
@test_adapt CustomArray view(mat.arr,:,:) view(mat,:,:) AnyCustomMatrix
inds = CustomArray{Int,1}([1,2])
@test_adapt CustomArray view(mat.arr,inds.arr,:) view(mat,inds,:) AnyCustomArray
@test_adapt CustomArray view(mat.arr,inds.arr,:) view(mat,inds,:) AnyCustomMatrix

# NOTE: manual creation of PermutedDimsArray because permutedims collects
@test_adapt CustomArray PermutedDimsArray(mat.arr,(2,1)) PermutedDimsArray(mat,(2,1)) AnyCustomArray
@test_adapt CustomArray PermutedDimsArray(mat.arr,(2,1)) PermutedDimsArray(mat,(2,1)) AnyCustomMatrix

# NOTE: manual creation of ReshapedArray because Base.Array has an optimized `reshape`
@test_adapt CustomArray Base.ReshapedArray(mat.arr,(2,2),()) reshape(mat,(2,2)) AnyCustomArray
@test_adapt CustomArray Base.ReshapedArray(mat.arr,(2,2),()) reshape(mat,(2,2)) AnyCustomMatrix

@test_adapt CustomArray Base.LogicalIndex(mat_bools.arr) Base.LogicalIndex(mat_bools) AnyCustomArray
@test_adapt CustomArray Base.LogicalIndex(mat_bools.arr) Base.LogicalIndex(mat_bools) AnyCustomVector

@test_adapt CustomArray reinterpret(Int64,mat.arr) reinterpret(Int64,mat) AnyCustomArray
@test_adapt CustomArray reinterpret(Int64,mat.arr) reinterpret(Int64,mat) AnyCustomMatrix

@static if isdefined(Base, :NonReshapedReinterpretArray)
@test_adapt CustomArray reinterpret(reshape,Int64,mat.arr) reinterpret(reshape,Int64,mat) AnyCustomArray
@test_adapt CustomArray reinterpret(reshape,Int64,mat.arr) reinterpret(reshape,Int64,mat) AnyCustomMatrix
end


## doubly-wrapped

@test_adapt CustomArray reinterpret(Int64,view(mat.arr,:,:)) reinterpret(Int64,view(mat,:,:)) AnyCustomArray
@test_adapt CustomArray reinterpret(Int64,view(mat.arr,:,:)) reinterpret(Int64,view(mat,:,:)) AnyCustomMatrix

@test_adapt CustomArray reshape(view(mat.arr,:,:), (2,2)) reshape(view(mat,:,:), (2,2)) AnyCustomArray
@test_adapt CustomArray reshape(reinterpret(Int64,mat.arr), (2,2)) reshape(reinterpret(Int64,mat), (2,2)) AnyCustomArray
@test_adapt CustomArray reshape(reinterpret(Int64,view(mat.arr,:,:)), (2,2)) reshape(reinterpret(Int64,view(mat,:,:)), (2,2)) AnyCustomArray
@test_adapt CustomArray reshape(view(mat.arr,:,:), (2,2)) reshape(view(mat,:,:), (2,2)) AnyCustomMatrix
@test_adapt CustomArray reshape(reinterpret(Int64,mat.arr), (2,2)) reshape(reinterpret(Int64,mat), (2,2)) AnyCustomMatrix
@test_adapt CustomArray reshape(reinterpret(Int64,view(mat.arr,:,:)), (2,2)) reshape(reinterpret(Int64,view(mat,:,:)), (2,2)) AnyCustomMatrix

@test_adapt CustomArray view(reinterpret(Int64,mat.arr), :, :) view(reinterpret(Int64,mat), :, :) AnyCustomArray
@test_adapt CustomArray view(reinterpret(Int64,view(mat.arr,:,:)), :, :) view(reinterpret(Int64,view(mat,:,:)), :, :) AnyCustomArray
@test_adapt CustomArray view(Base.ReshapedArray(mat.arr,(2,2),()), :, :) view(reshape(mat, (2,2)), :, :) AnyCustomArray
@test_adapt CustomArray view(reshape(view(mat.arr,:,:), (2,2)), :, :) view(reshape(view(mat,:,:), (2,2)), :, :) AnyCustomArray
@test_adapt CustomArray view(reshape(reinterpret(Int64,mat.arr), (2,2)), :, :) view(reshape(reinterpret(Int64,mat), (2,2)), :, :) AnyCustomArray
@test_adapt CustomArray view(reshape(reinterpret(Int64,view(mat.arr,:,:)), (2,2)), :, :) view(reshape(reinterpret(Int64,view(mat,:,:)), (2,2)), :, :) AnyCustomArray
@test_adapt CustomArray view(reinterpret(Int64,mat.arr), :, :) view(reinterpret(Int64,mat), :, :) AnyCustomMatrix
@test_adapt CustomArray view(reinterpret(Int64,view(mat.arr,:,:)), :, :) view(reinterpret(Int64,view(mat,:,:)), :, :) AnyCustomMatrix
@test_adapt CustomArray view(Base.ReshapedArray(mat.arr,(2,2),()), :, :) view(reshape(mat, (2,2)), :, :) AnyCustomMatrix
@test_adapt CustomArray view(reshape(view(mat.arr,:,:), (2,2)), :, :) view(reshape(view(mat,:,:), (2,2)), :, :) AnyCustomMatrix
@test_adapt CustomArray view(reshape(reinterpret(Int64,mat.arr), (2,2)), :, :) view(reshape(reinterpret(Int64,mat), (2,2)), :, :) AnyCustomMatrix
@test_adapt CustomArray view(reshape(reinterpret(Int64,view(mat.arr,:,:)), (2,2)), :, :) view(reshape(reinterpret(Int64,view(mat,:,:)), (2,2)), :, :) AnyCustomMatrix

@static if isdefined(Base, :NonReshapedReinterpretArray)
@test_adapt CustomArray reinterpret(reshape,Int64,view(mat.arr,:,:)) reinterpret(reshape,Int64,view(mat,:,:)) AnyCustomArray
@test_adapt CustomArray view(reinterpret(reshape,Int64,mat.arr), :, :) view(reinterpret(reshape,Int64,mat), :, :) AnyCustomArray
@test_adapt CustomArray view(reinterpret(reshape,Int64,view(mat.arr,:,:)), :, :) view(reinterpret(reshape,Int64,view(mat,:,:)), :, :) AnyCustomArray
@test_adapt CustomArray reinterpret(reshape,Int64,view(mat.arr,:,:)) reinterpret(reshape,Int64,view(mat,:,:)) AnyCustomMatrix
@test_adapt CustomArray view(reinterpret(reshape,Int64,mat.arr), :, :) view(reinterpret(reshape,Int64,mat), :, :) AnyCustomMatrix
@test_adapt CustomArray view(reinterpret(reshape,Int64,view(mat.arr,:,:)), :, :) view(reinterpret(reshape,Int64,view(mat,:,:)), :, :) AnyCustomMatrix
end


using LinearAlgebra

@test_adapt CustomArray mat.arr' mat' AnyCustomArray
@test_adapt CustomArray mat.arr' mat' AnyCustomMatrix

@test_adapt CustomArray transpose(mat.arr) transpose(mat) AnyCustomArray
@test_adapt CustomArray transpose(mat.arr) transpose(mat) AnyCustomMatrix

@test_adapt CustomArray LowerTriangular(mat.arr) LowerTriangular(mat) AnyCustomArray
@test_adapt CustomArray UnitLowerTriangular(mat.arr) UnitLowerTriangular(mat) AnyCustomArray
@test_adapt CustomArray UpperTriangular(mat.arr) UpperTriangular(mat) AnyCustomArray
@test_adapt CustomArray UnitUpperTriangular(mat.arr) UnitUpperTriangular(mat) AnyCustomArray
@test_adapt CustomArray Symmetric(mat.arr) Symmetric(mat) AnyCustomArray
@test_adapt CustomArray LowerTriangular(mat.arr) LowerTriangular(mat) AnyCustomMatrix
@test_adapt CustomArray UnitLowerTriangular(mat.arr) UnitLowerTriangular(mat) AnyCustomMatrix
@test_adapt CustomArray UpperTriangular(mat.arr) UpperTriangular(mat) AnyCustomMatrix
@test_adapt CustomArray UnitUpperTriangular(mat.arr) UnitUpperTriangular(mat) AnyCustomMatrix
@test_adapt CustomArray Symmetric(mat.arr, :U) Symmetric(mat, :U) AnyCustomMatrix
@test_adapt CustomArray Symmetric(mat.arr, :L) Symmetric(mat, :L) AnyCustomMatrix
@test_adapt CustomArray Hermitian(mat.arr, :U) Hermitian(mat, :U) AnyCustomMatrix
@test_adapt CustomArray Hermitian(mat.arr, :L) Hermitian(mat, :L) AnyCustomMatrix
@test_adapt CustomArray UpperHessenberg(mat.arr) UpperHessenberg(mat) AnyCustomMatrix

@test_adapt CustomArray Diagonal(vec.arr) Diagonal(vec) AnyCustomArray
@test_adapt CustomArray Diagonal(vec.arr) Diagonal(vec) AnyCustomMatrix

dl = CustomArray{Float64,1}(rand(2))
du = CustomArray{Float64,1}(rand(2))
d = CustomArray{Float64,1}(rand(3))
@test_adapt CustomArray Tridiagonal(dl.arr, d.arr, du.arr) Tridiagonal(dl, d, du) AnyCustomArray
@test_adapt CustomArray Bidiagonal(d.arr, du.arr, :U) Bidiagonal(d, du, :U) AnyCustomMatrix
@test_adapt CustomArray Bidiagonal(d.arr, dl.arr, :L) Bidiagonal(d, dl, :L) AnyCustomMatrix
@test_adapt CustomArray Tridiagonal(dl.arr, d.arr, du.arr) Tridiagonal(dl, d, du) AnyCustomMatrix
@test_adapt CustomArray SymTridiagonal(d.arr, du.arr) SymTridiagonal(d, du) AnyCustomMatrix

end


@testset "type information" begin
@test Adapt.ndims(LinearAlgebra.Transpose{Float64,Array{Float64,1}}) == 2
@test Adapt.ndims(Adapt.WrappedSubArray{Float64,3,Array{Float64,3}}) == 3
@test Adapt.ndims(Transpose{Float64,Array{Float64,1}}) == 2
@test Adapt.ndims(Adapt.WrappedSubArray{Float64,3,Array{Float64,4}}) == 3

@test Adapt.parent(LinearAlgebra.Transpose{Float64,Array{Float64,1}}) == Array
@test Adapt.parent(Adapt.WrappedSubArray{Float64,3,Array{Float64,3}}) == Array
@test Adapt.parent(Transpose{Float64,Array{Float64,1}}) == Array
@test Adapt.parent(Adapt.WrappedSubArray{Float64,3,Array{Float64,4}}) == Array
end


Expand Down