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Broadcast operations for arbitrary styles #408

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Broadcast operations for arbitrary styles #408

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33f51d0
Broadcast operations for arbitrary styles
jishnub Mar 12, 2025
c2deb57
Add/subtract AbstractZeros
jishnub Mar 12, 2025
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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
@@ -1,6 +1,6 @@
name = "FillArrays"
uuid = "1a297f60-69ca-5386-bcde-b61e274b549b"
version = "1.14.0"
version = "1.15.0"

[deps]
LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
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38 changes: 19 additions & 19 deletions src/fillbroadcast.jl
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Expand Up @@ -79,16 +79,16 @@ function broadcasted(::DefaultArrayStyle{N}, op, r::AbstractFill{T,N}) where {T,
return Fill(op(getindex_value(r)), axes(r))
end

broadcasted(::DefaultArrayStyle, ::typeof(+), r::AbstractZeros) = r
broadcasted(::DefaultArrayStyle, ::typeof(-), r::AbstractZeros) = r
broadcasted(::DefaultArrayStyle, ::typeof(+), r::AbstractOnes) = r
broadcasted(::typeof(+), r::AbstractZeros) = r
broadcasted(::typeof(-), r::AbstractZeros) = r
broadcasted(::typeof(+), r::AbstractOnes) = r

broadcasted(::DefaultArrayStyle{N}, ::typeof(conj), r::AbstractZeros{T,N}) where {T,N} = r
broadcasted(::DefaultArrayStyle{N}, ::typeof(conj), r::AbstractOnes{T,N}) where {T,N} = r
broadcasted(::DefaultArrayStyle{N}, ::typeof(real), r::AbstractZeros{T,N}) where {T,N} = Zeros{real(T)}(axes(r))
broadcasted(::DefaultArrayStyle{N}, ::typeof(real), r::AbstractOnes{T,N}) where {T,N} = Ones{real(T)}(axes(r))
broadcasted(::DefaultArrayStyle{N}, ::typeof(imag), r::AbstractZeros{T,N}) where {T,N} = Zeros{real(T)}(axes(r))
broadcasted(::DefaultArrayStyle{N}, ::typeof(imag), r::AbstractOnes{T,N}) where {T,N} = Zeros{real(T)}(axes(r))
broadcasted(::typeof(conj), r::AbstractZeros{T,N}) where {T,N} = r
broadcasted(::typeof(conj), r::AbstractOnes{T,N}) where {T,N} = r
broadcasted(::typeof(real), r::AbstractZeros{T,N}) where {T,N} = Zeros{real(T)}(axes(r))
broadcasted(::typeof(real), r::AbstractOnes{T,N}) where {T,N} = Ones{real(T)}(axes(r))
broadcasted(::typeof(imag), r::AbstractZeros{T,N}) where {T,N} = Zeros{real(T)}(axes(r))
broadcasted(::typeof(imag), r::AbstractOnes{T,N}) where {T,N} = Zeros{real(T)}(axes(r))

### Binary broadcasting

Expand Down Expand Up @@ -122,13 +122,13 @@ function _broadcasted_nan(f, a, b)
return broadcasted_fill(f, a, b, val, ax)
end

broadcasted(::DefaultArrayStyle, ::typeof(+), a::AbstractZeros, b::AbstractZeros) = _broadcasted_zeros(+, a, b)
broadcasted(::DefaultArrayStyle, ::typeof(+), a::AbstractOnes, b::AbstractZeros) = _broadcasted_ones(+, a, b)
broadcasted(::DefaultArrayStyle, ::typeof(+), a::AbstractZeros, b::AbstractOnes) = _broadcasted_ones(+, a, b)
broadcasted(::typeof(+), a::AbstractZeros, b::AbstractZeros) = _broadcasted_zeros(+, a, b)
broadcasted(::typeof(+), a::AbstractOnes, b::AbstractZeros) = _broadcasted_ones(+, a, b)
broadcasted(::typeof(+), a::AbstractZeros, b::AbstractOnes) = _broadcasted_ones(+, a, b)

broadcasted(::DefaultArrayStyle, ::typeof(-), a::AbstractZeros, b::AbstractZeros) = _broadcasted_zeros(-, a, b)
broadcasted(::DefaultArrayStyle, ::typeof(-), a::AbstractOnes, b::AbstractZeros) = _broadcasted_ones(-, a, b)
broadcasted(::DefaultArrayStyle, ::typeof(-), a::AbstractOnes, b::AbstractOnes) = _broadcasted_zeros(-, a, b)
broadcasted(::typeof(-), a::AbstractZeros, b::AbstractZeros) = _broadcasted_zeros(-, a, b)
broadcasted(::typeof(-), a::AbstractOnes, b::AbstractZeros) = _broadcasted_ones(-, a, b)
broadcasted(::typeof(-), a::AbstractOnes, b::AbstractOnes) = _broadcasted_zeros(-, a, b)

broadcasted(::DefaultArrayStyle{1}, ::typeof(+), a::AbstractZerosVector, b::AbstractZerosVector) = _broadcasted_zeros(+, a, b)
broadcasted(::DefaultArrayStyle{1}, ::typeof(+), a::AbstractOnesVector, b::AbstractZerosVector) = _broadcasted_ones(+, a, b)
Expand Down Expand Up @@ -260,10 +260,10 @@ broadcasted(::DefaultArrayStyle{N}, op, r::AbstractFill{T,N}, x::Ref) where {T,N
broadcasted(::DefaultArrayStyle{N}, op, x::Ref, r::AbstractFill{T,N}) where {T,N} = broadcasted_fill(op, r, op(x[], getindex_value(r)), axes(r))

# support AbstractFill .^ k
broadcasted(::DefaultArrayStyle{N}, op::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::AbstractFill{T,N}, ::Base.RefValue{Val{k}}) where {T,N,k} = broadcasted_fill(op, r, getindex_value(r)^k, axes(r))
broadcasted(::DefaultArrayStyle{N}, op::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::AbstractOnes{T,N}, ::Base.RefValue{Val{k}}) where {T,N,k} = broadcasted_ones(op, r, T, axes(r))
broadcasted(::DefaultArrayStyle{N}, op::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::AbstractZeros{T,N}, ::Base.RefValue{Val{0}}) where {T,N} = broadcasted_ones(op, r, T, axes(r))
broadcasted(::DefaultArrayStyle{N}, op::typeof(Base.literal_pow), ::Base.RefValue{typeof(^)}, r::AbstractZeros{T,N}, ::Base.RefValue{Val{k}}) where {T,N,k} = broadcasted_zeros(op, r, T, axes(r))
broadcasted(op::typeof(Base.literal_pow), ::typeof(^), r::AbstractFill{T,N}, ::Val{k}) where {T,N,k} = broadcasted_fill(op, r, getindex_value(r)^k, axes(r))
broadcasted(op::typeof(Base.literal_pow), ::typeof(^), r::AbstractOnes{T,N}, ::Val{k}) where {T,N,k} = broadcasted_ones(op, r, T, axes(r))
broadcasted(op::typeof(Base.literal_pow), ::typeof(^), r::AbstractZeros{T,N}, ::Val{0}) where {T,N} = broadcasted_ones(op, r, T, axes(r))
broadcasted(op::typeof(Base.literal_pow), ::typeof(^), r::AbstractZeros{T,N}, ::Val{k}) where {T,N,k} = broadcasted_zeros(op, r, T, axes(r))

# supports structured broadcast
if isdefined(LinearAlgebra, :fzero)
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