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Add has_strided_get and has_strided_set #1547

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Add has_strided_get and has_strided_set #1547

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7 changes: 7 additions & 0 deletions src/adjtrans.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -380,6 +380,13 @@ Base.cconvert(::Type{Ptr{T}}, A::Transpose{<:Any, <:AbstractVecOrMat}) where {T}
Base.elsize(::Type{<:Adjoint{<:Real, P}}) where {P<:AbstractVecOrMat} = Base.elsize(P)
Base.elsize(::Type{<:Transpose{<:Any, P}}) where {P<:AbstractVecOrMat} = Base.elsize(P)

@static if isdefined(Base, :has_strided_get) && isdefined(Base, :has_strided_set)
Base.has_strided_get(A::Adjoint{<:Real, <:AbstractVecOrMat}) = Base.has_strided_get(A.parent)
Base.has_strided_get(A::Transpose{<:Any, <:AbstractVecOrMat}) = Base.has_strided_get(A.parent)
Base.has_strided_set(A::Adjoint{<:Real, <:AbstractVecOrMat}) = Base.has_strided_set(A.parent)
Base.has_strided_set(A::Transpose{<:Any, <:AbstractVecOrMat}) = Base.has_strided_set(A.parent)
end

# for vectors, the semantics of the wrapped and unwrapped types differ
# so attempt to maintain both the parent and wrapper type insofar as possible
similar(A::AdjOrTransAbsVec) = wrapperop(A)(similar(A.parent))
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