[WIP] Removing SSubArray in favor of SizedArray (#25)

* some work towards removing SSubArray

* improving types of returned values

* update versions

* update codecov CI

* general maintenance

* don't test ArrayInterface compat on older versions of Julia

* more fixing

* one more test

.github/workflows/ci.yml

@@ -21,5 +21,7 @@ jobs:
           arch: x64
       - uses: julia-actions/julia-buildpkg@latest
       - uses: julia-actions/julia-runtest@latest
-      - uses: codecov/codecov-action@v1
+      - uses: julia-actions/julia-uploadcodecov@latest
         if: ${{ matrix.julia-version == '1.4' && matrix.os =='ubuntu-latest' }}
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

Project.toml

@@ -1,7 +1,7 @@
 name = "HybridArrays"
 uuid = "1baab800-613f-4b0a-84e4-9cd3431bfbb9"
 authors = ["Mateusz Baran <[email protected]>"]
-version = "0.3.9"
+version = "0.4.0"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -10,7 +10,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
 Requires = "1"
-StaticArrays = "=0.12.5"
+StaticArrays = "=1.0.0"
 julia = "1"
 
 [extras]

src/HybridArrays.jl

@@ -36,6 +36,13 @@ using Requires
     return false
 end
 
+function all_dynamic_fixed_val(::Type{Tuple{}})
+    return Val(:dynamic_fixed_true)
+end
+function all_dynamic_fixed_val(::Type{Size}) where Size<:Tuple
+    return error("No indices given for size $Size")
+end
+
 function all_dynamic_fixed_val(::Type{Size}, inds::StaticArrays.StaticIndexing{<:Union{Int, AbstractArray, Colon}}...) where Size<:Tuple
     return all_dynamic_fixed_val(Size, map(StaticArrays.unwrap, inds)...)
 end
@@ -140,7 +147,7 @@ HybridMatrix{S1,S2,T,M} = HybridArray{Tuple{S1,S2},T,2,M}
 
 export HybridArray, HybridMatrix, HybridVector
 
-include("ssubarray.jl")
+include("SSubArray.jl")
 
 include("abstractarray.jl")
 include("arraymath.jl")

src/SSubArray.jl

@@ -0,0 +1,2 @@
+
+const SSubArray{S,T,N,P,I,L} = SizedArray{S,T,N,N,SubArray{T,N,P,I,L}}

src/abstractarray.jl

@@ -48,3 +48,5 @@ Base.IndexStyle(a::HybridArray) = Base.IndexStyle(a.data)
 Base.IndexStyle(::Type{HA}) where {S,T,N,M,TData,HA<:HybridArray{S,T,N,M,TData}} = Base.IndexStyle(TData)
 
 Base.vec(a::HybridArray) = vec(a.data)
+
+StaticArrays.similar_type(::Type{<:SSubArray},::Type{T},s::Size{S}) where {S,T} = StaticArrays.default_similar_type(T,s,StaticArrays.length_val(s))

src/arraymath.jl

@@ -1,16 +1,20 @@
 
-function StaticArrays._one(s::Size, ::Type{SM}) where {Sel, N, SM <: HybridArrays.SSubArray{Tuple{N,N}, Sel}}
-    return StaticArrays._one(s, SMatrix{N,N,Sel})
-end
-
 Base.one(A::HA) where {HA<:HybridMatrix} = HA(one(A.data))
 
-@inline function Base.zero(a::HA) where {S, Sel, HA <: SSubArray{S, Sel}}
-    return StaticArrays.zeros(SArray{S, Sel})
+# This should make one(sized subarray) return SArray
+@inline function StaticArrays._construct_sametype(a::Type{<:SSubArray{Tuple{S,S},T}}, elements) where {S,T}
+    return SMatrix{S,S,T}(elements)
+end
+@inline function StaticArrays._construct_sametype(a::SSubArray{Tuple{S,S},T}, elements) where {S,T}
+    return SMatrix{S,S,T}(elements)
 end
 
 Base.fill!(A::HybridArray, x) = fill!(A.data, x)
 
-function Base.zero(a::HybridArray{S}) where {S}
+@inline function Base.zero(a::HybridArray{S}) where {S}
     return HybridArray{S}(zero(a.data))
 end
+
+@inline function Base.zero(a::SSubArray{S,T}) where {S,T}
+    return StaticArrays.zeros(SArray{S,T})
+end

src/convert.jl

@@ -16,6 +16,7 @@ Base.@propagate_inbounds (::Type{HybridArray{S,T}})(a::AbstractArray) where {S,T
 @inline convert(::Type{Array}, sa::HybridArray) = convert(Array, sa.data)
 @inline convert(::Type{Array{T}}, sa::HybridArray{S,T}) where {T,S} = convert(Array, sa.data)
 @inline convert(::Type{Array{T,N}}, sa::HybridArray{S,T,N}) where {T,S,N} = convert(Array, sa.data)
+@inline convert(::Type{Array{T,N} where T}, sa::HybridArray{S}) where {S,N} = convert(Array, sa.data)
 
 function check_compatible_sizes(::Type{S}, a::NTuple{N,Int}) where {S,N}
     st = size_to_tuple(S)

src/indexing.jl

@@ -30,6 +30,7 @@ function _get_indices(i::Tuple, j::Int, i1::Type{Colon}, inds...)
     return (i[1], _get_indices(i[2:end], j+1, inds...)...)
 end
 
+_totally_linear() = true
 _totally_linear(inds...) = false
 _totally_linear(inds::Type{Int}...) = true
 _totally_linear(inds::Type{Colon}...) = true
@@ -147,14 +148,10 @@ end
         if i == Int
         elseif i <: StaticVector
             push!(os, i.parameters[1].parameters[1])
-        elseif i <: Base.Slice{<:StaticVector}
-            push!(os, i.parameters[1].parameters[1].parameters[1])
-        elseif i == Colon
+        elseif i == Colon || i <: Base.Slice
             push!(os, s)
         elseif i <: SOneTo
             push!(os, i.parameters[1])
-        elseif i <: Base.Slice{<:SOneTo}
-            push!(os, i.parameters[1].parameters[1])
         elseif i <: Base.OneTo || i <: AbstractArray
             push!(os, Dynamic())
         else
@@ -282,3 +279,20 @@ end
         end
     end
 end
+
+@inline function _view_hybrid(a::HybridArray{S}, ::Val{:dynamic_fixed_true}, inner_view, indices...) where {S}
+    new_size = new_out_size(S, indices...)
+    return SizedArray{new_size}(inner_view)
+end
+
+@inline function _view_hybrid(a::HybridArray, ::Val{:dynamic_fixed_false}, inner_view, indices...)
+    return inner_view
+end
+
+@inline function Base.view(
+    a::HybridArray{S},
+    indices...,
+) where {S}
+    inner_view = invoke(view, Tuple{AbstractArray, typeof(indices).parameters...}, a, indices...)
+    return _view_hybrid(a, all_dynamic_fixed_val(S, indices...), inner_view, indices...)
+end

src/linalg.jl

@@ -54,7 +54,7 @@ const HybridVecOrMatLike{T} = Union{HybridVector{<:Any, T}, HybridMatrixLike{T}}
 end
 
 @inline hcat(a::HybridVecOrMatLike, b::HybridVecOrMatLike) = _hcat(Size(a), Size(b), a, b)
-@inline hcat(a::HybridVecOrMatLike, b::HybridVecOrMatLike, c::HybridVecOrMatLike...) = hcat(hcat(a,b), hcat(c...))
+@inline hcat(a::HybridVecOrMatLike, b::HybridVecOrMatLike, c::HybridVecOrMatLike...) = hcat(hcat(a,b), c...)
 
 # used in _vcat and _hcat
 @inline +(::Dynamic, ::Dynamic) = Dynamic()