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

Implemented strides for AbstractArray subtypes #30429

Closed
wants to merge 2 commits into from
Closed

Implemented strides for AbstractArray subtypes #30429

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
4910f76
Implemented strides for AbstractArray subtypes
raghav9-97 Dec 18, 2018
f1900a9
Removed strides for Diagonal
raghav9-97 Dec 18, 2018
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
3 changes: 3 additions & 0 deletions stdlib/LinearAlgebra/src/adjtrans.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,9 @@ const AdjOrTransAbsMat{T} = AdjOrTrans{T,<:AbstractMatrix}
wrapperop(A::Adjoint) = adjoint
wrapperop(A::Transpose) = transpose

strides(a::AdjOrTrans) = size_to_strides(1, size(a)...)
stride(a::AdjOrTrans, i::Integer) = strides(a)[i]

# AbstractArray interface, basic definitions
length(A::AdjOrTrans) = length(A.parent)
size(v::AdjOrTransAbsVec) = (1, length(v.parent))
Expand Down
1 change: 0 additions & 1 deletion stdlib/LinearAlgebra/src/diagonal.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,6 @@ function setindex!(D::Diagonal, v, i::Int, j::Int)
return v
end


## structured matrix methods ##
function Base.replace_in_print_matrix(A::Diagonal,i::Integer,j::Integer,s::AbstractString)
i==j ? s : Base.replace_with_centered_mark(s)
Expand Down
9 changes: 9 additions & 0 deletions stdlib/LinearAlgebra/test/adjtrans.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -340,6 +340,15 @@ end
@test broadcast(+, Transpose(sparsevec), 1.0, Transpose(sparsevec)) isa Transpose{Float64,SparseVector{Float64,Int}}
end

@testset "Strides AdjOrTrans Issue#29705" begin
@test strides(rand(3,5)') == (1, 5)
@test strides([1 2 3; 4 5 6]') == (1, 3)
@test strides(transpose(rand(3,4))) == (1, 4)
@test strides(transpose([1 2 3; 4 5 6])) == (1, 3)
@test stride(rand(3,5)', 1) == 1
@test stride(rand(3,5)', 2) == 5
end

@testset "Adjoint/Transpose-wrapped vector multiplication" begin
realvec, realmat = [1, 2, 3], [1 2 3; 4 5 6; 7 8 9]
complexvec, complexmat = [1im, 2, -3im], [1im 2 3; 4 5 -6im; 7im 8 9]
Expand Down