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Merged
dlfivefifty merged 3 commits into from
Mar 28, 2023
Merged

Structured Broadcasting #228

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4ea8c89
Structured Broadcasting
dlfivefifty Mar 28, 2023
1ac2678
add jishnubs tests
dlfivefifty Mar 28, 2023
a955f69
Update runtests.jl
dlfivefifty Mar 28, 2023
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"

[compat]
Aqua = "0.5"
Aqua = "0.5, 0.6"
julia = "1.6"

[extras]
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5 changes: 5 additions & 0 deletions src/fillbroadcast.jl
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Expand Up @@ -247,3 +247,8 @@ broadcasted(::DefaultArrayStyle{N}, ::typeof(Base.literal_pow), ::Base.RefValue{
broadcasted(::DefaultArrayStyle{N}, ::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::Ones{T,N}, ::Base.RefValue{Val{k}}) where {T,N,k} = Ones{T}(axes(r))
broadcasted(::DefaultArrayStyle{N}, ::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::Zeros{T,N}, ::Base.RefValue{Val{0}}) where {T,N} = Ones{T}(axes(r))
broadcasted(::DefaultArrayStyle{N}, ::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::Zeros{T,N}, ::Base.RefValue{Val{k}}) where {T,N,k} = Zeros{T}(axes(r))

# supports structured broadcast
if isdefined(LinearAlgebra, :fzero)
LinearAlgebra.fzero(x::Zeros) = zero(eltype(x))
end
16 changes: 16 additions & 0 deletions test/runtests.jl
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Expand Up @@ -1469,3 +1469,19 @@ end
@test cor(Fill(3, 4, 5)) ≈ cor(fill(3, 4, 5)) nans=true
@test cor(Fill(3, 4, 5), dims=2) ≈ cor(fill(3, 4, 5), dims=2) nans=true
end

@testset "Structured broadcast" begin
D = Diagonal(1:5)
@test D + Zeros(5,5) isa Diagonal
@test D - Zeros(5,5) isa Diagonal
@test D .+ Zeros(5,5) isa Diagonal
@test D .- Zeros(5,5) isa Diagonal
@test D .* Zeros(5,5) isa Diagonal
@test Zeros(5,5) .* D isa Diagonal
@test Zeros(5,5) - D isa Diagonal
@test Zeros(5,5) + D isa Diagonal
@test Zeros(5,5) .- D isa Diagonal
@test Zeros(5,5) .+ D isa Diagonal
f = (x,y) -> x+1
@test f.(D, Zeros(5,5)) isa Matrix
end