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fix: do not assume AbstractVectorOfArray is mutable in Base.zero #409

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Merged
merged 3 commits into from
Nov 4, 2024
Merged

fix: do not assume AbstractVectorOfArray is mutable in Base.zero #409

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72ac0ce
fix: do not assume `AbstractVectorOfArray` is mutable in `Base.zero`
AayushSabharwal Oct 30, 2024
8b4f756
refactor: format
AayushSabharwal Oct 30, 2024
439354c
test: remove working `@test_broken`
AayushSabharwal Oct 30, 2024
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2 changes: 1 addition & 1 deletion src/vector_of_array.jl
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Expand Up @@ -521,7 +521,7 @@ end

function Base.zero(VA::AbstractVectorOfArray)
val = copy(VA)
val.u = zero.(VA.u)
val.u .= zero.(VA.u)
return val
end

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10 changes: 10 additions & 0 deletions test/interface_tests.jl
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Expand Up @@ -269,3 +269,13 @@ end
f3!(z, zz)
@test z == VectorOfArray([fill(4, SVector{2, Float64}), fill(2, SVector{2, Float64})])
@test (@allocated f3!(z, zz)) == 0

struct ImmutableVectorOfArray{T, N, A} <: AbstractVectorOfArray{T, N, A}
u::A # A <: AbstractArray{<: AbstractArray{T, N - 1}}
end

@testset "Base.zero does not assume mutable struct" begin
voa = ImmutableVectorOfArray{Float64, 2, Vector{Vector{Float64}}}([ones(3), 2ones(3)])
zvoa = zero(voa)
@test zvoa.u[1] == zvoa.u[2] == zeros(3)
end
2 changes: 1 addition & 1 deletion test/linalg.jl
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Expand Up @@ -56,4 +56,4 @@ mat = Array(va)
@test all(va'[i] == mat'[i] for i in eachindex(mat'))
@test Array(va') == mat'

@test !ArrayInterface.issingular(VectorOfArray([rand(2),rand(2)]))
@test !ArrayInterface.issingular(VectorOfArray([rand(2), rand(2)]))
1 change: 0 additions & 1 deletion test/partitions_test.jl
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Expand Up @@ -161,7 +161,6 @@ _scalar_op(y) = y + 1
_broadcast_wrapper(y) = _scalar_op.(y)
# Issue #8
@inferred _broadcast_wrapper(x)
@test_broken @inferred _broadcast_wrapper(y)

# Testing map
@test map(x -> x^2, x) == ArrayPartition(x.x[1] .^ 2, x.x[2] .^ 2)
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