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remove @adjoint for hv/h/v/cat #1277

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Aug 24, 2022
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4 changes: 2 additions & 2 deletions Project.toml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "Zygote"
uuid = "e88e6eb3-aa80-5325-afca-941959d7151f"
version = "0.6.43"
version = "0.6.45"

[deps]
AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
Expand All @@ -27,7 +27,7 @@ ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444"

[compat]
AbstractFFTs = "0.5, 1.0"
ChainRules = "1.37"
ChainRules = "1.44.1"
ChainRulesCore = "1.9"
ChainRulesTestUtils = "1"
DiffRules = "1.4"
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21 changes: 0 additions & 21 deletions src/lib/array.jl
Original file line number Diff line number Diff line change
Expand Up @@ -104,27 +104,6 @@ end
@adjoint reshape(xs, dims...) = reshape(xs, dims...),
Δ -> (reshape(Δ, size(xs)),map(_->nothing,dims)...)

@adjoint function hvcat(rows::Tuple{Vararg{Int}}, xs::Number...)
hvcat(rows, xs...), ȳ -> (nothing, permutedims(ȳ)...)
end

pull_block_vert(sz, Δ, A::Number) = Δ[sz]
pull_block_vert(sz, Δ, A::AbstractVector) = Δ[sz-length(A)+1:sz]
pull_block_vert(sz, Δ, A::AbstractMatrix) = Δ[sz-size(A, 1)+1:sz, :]
@adjoint function vcat(A::Union{AbstractVector, AbstractMatrix, Number}...)
sz = cumsum([size.(A, 1)...])
return vcat(A...), Δ->(map(n->pull_block_vert(sz[n], Δ, A[n]), eachindex(A))...,)
end
@adjoint vcat(xs::Number...) = vcat(xs...), Δ -> (Δ...,)

pull_block_horz(sz, Δ, A::AbstractVector) = Δ[:, sz]
pull_block_horz(sz, Δ, A::AbstractMatrix) = Δ[:, sz-size(A, 2)+1:sz]
@adjoint function hcat(A::Union{AbstractVector, AbstractMatrix}...)
sz = cumsum([size.(A, 2)...])
return hcat(A...), Δ->(map(n->pull_block_horz(sz[n], Δ, A[n]), eachindex(A))...,)
end
@adjoint hcat(xs::Number...) = hcat(xs...), Δ -> (Δ...,)

@adjoint function repeat(xs; inner=ntuple(_->1, ndims(xs)), outer=ntuple(_->1, ndims(xs)))
repeat(xs, inner = inner, outer = outer), function (Δ)
Δ′ = zero(xs)
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