Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Remove unnecessary restriction to StridedVecOrMat #35929

Merged
merged 14 commits into from
Jun 30, 2020
Merged

Remove unnecessary restriction to StridedVecOrMat #35929

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
14 commits
Select commit Hold shift + click to select a range
47de7a6
Remove unnecessary restriction to `StridedVecOrMat`
dlfivefifty May 18, 2020
d0cb092
Update adjtrans.jl
dlfivefifty May 18, 2020
eab2078
Add tests for adj/trans strides
dlfivefifty Jun 5, 2020
11fc4d7
Add tests, change strides(::Adjoint{<:Any,<:AbstractVector}) definition
dlfivefifty Jun 5, 2020
5a00593
stride(::AbstractrArray, k) for all k, add ConjPtr
dlfivefifty Jun 5, 2020
3e28da8
Remove ConjPtr
dlfivefifty Jun 5, 2020
751b1ce
Always throw an error if strides is not implemented
dlfivefifty Jun 7, 2020
a5d7863
Update abstractarray.jl
dlfivefifty Jun 9, 2020
05d1091
Update blas.jl
dlfivefifty Jun 9, 2020
01485ed
Remove k < 1 special case
dlfivefifty Jun 18, 2020
d7d91eb
Merge remote-tracking branch 'origin/master' into patch-9
mbauman Jun 26, 2020
adf7aba
Also widen elsize to AbstractVecOrMat
mbauman Jun 26, 2020
4c3739d
Use strides for dim > ndims
mbauman Jun 26, 2020
81dd656
Update stdlib/LinearAlgebra/test/blas.jl
mbauman Jun 26, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 6 additions & 6 deletions stdlib/LinearAlgebra/src/adjtrans.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -199,14 +199,14 @@ convert(::Type{Adjoint{T,S}}, A::Adjoint) where {T,S} = Adjoint{T,S}(convert(S,
convert(::Type{Transpose{T,S}}, A::Transpose) where {T,S} = Transpose{T,S}(convert(S, A.parent))

# Strides and pointer for transposed strided arrays — but only if the elements are actually stored in memory
Base.strides(A::Adjoint{<:Real, <:StridedVector}) = (stride(A.parent, 2), stride(A.parent, 1))
Base.strides(A::Transpose{<:Any, <:StridedVector}) = (stride(A.parent, 2), stride(A.parent, 1))
Base.strides(A::Adjoint{<:Real, <:AbstractVector}) = (stride(A.parent, 2), stride(A.parent, 1))
Base.strides(A::Transpose{<:Any, <:AbstractVector}) = (stride(A.parent, 2), stride(A.parent, 1))
# For matrices it's slightly faster to use reverse and avoid calling stride twice
Base.strides(A::Adjoint{<:Real, <:StridedMatrix}) = reverse(strides(A.parent))
Base.strides(A::Transpose{<:Any, <:StridedMatrix}) = reverse(strides(A.parent))
Base.strides(A::Adjoint{<:Real, <:AbstractMatrix}) = reverse(strides(A.parent))
Base.strides(A::Transpose{<:Any, <:AbstractMatrix}) = reverse(strides(A.parent))

Base.unsafe_convert(::Type{Ptr{T}}, A::Adjoint{<:Real, <:StridedVecOrMat}) where {T} = Base.unsafe_convert(Ptr{T}, A.parent)
Base.unsafe_convert(::Type{Ptr{T}}, A::Transpose{<:Any, <:StridedVecOrMat}) where {T} = Base.unsafe_convert(Ptr{T}, A.parent)
Base.unsafe_convert(::Type{Ptr{T}}, A::Adjoint{<:Real, <:AbstractVecOrMat}) where {T} = Base.unsafe_convert(Ptr{T}, A.parent)
Base.unsafe_convert(::Type{Ptr{T}}, A::Transpose{<:Any, <:AbstractVecOrMat}) where {T} = Base.unsafe_convert(Ptr{T}, A.parent)

# for vectors, the semantics of the wrapped and unwrapped types differ
# so attempt to maintain both the parent and wrapper type insofar as possible
Expand Down
8 changes: 8 additions & 0 deletions stdlib/LinearAlgebra/test/blas.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -460,6 +460,14 @@ Base.unsafe_convert(::Type{Ptr{T}}, A::WrappedArray{T}) where T = Base.unsafe_co

Base.stride(A::WrappedArray, i::Int) = stride(A.A, i)

@testset "strided interface adjtrans" begin
x = WrappedArray([1, 2, 3, 4])
@test strides(x') == strides(transpose(x)) == (1,1)
A = WrappedArray([1 2; 3 4; 5 6])
@test strides(A') == strides(transpose(A)) == (3,1)
@test pointer(A') == pointer(transpose(A)) == pointer(A)
mbauman marked this conversation as resolved.
Show resolved Hide resolved
end

@testset "strided interface blas" begin
for elty in (Float32, Float64, ComplexF32, ComplexF64)
# Level 1
Expand Down