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Flux.jl
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Merge pull request #576 from mcabbott/patch-1 

PermutedDimsArray
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Mike J Innes 2019-01-29 14:55:55 +00:00 committed by GitHub
parent dd95416a45 55a7359f67
commit 0469394715
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2 changed files with 6 additions and 2 deletions
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7
src/tracker/lib/array.jl
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@ -223,8 +223,11 @@ Base.reshape(xs::TrackedArray, dims::Tuple{Vararg{Int64}}) = track(reshape, xs,
@grad reshape(xs, dims) = reshape(data(xs), dims), Δ -> (reshape(Δ, size(xs)),nothing)
Base.permutedims(xs::TrackedArray, dims) = track(permutedims, xs, dims)
@grad permutedims(xs, dims) = permutedims(data(xs), dims), Δ -> (permutedims(Δ, invperm(dims)),nothing)
Base.permutedims(xs::TrackedArray, perm) = track(permutedims, xs, perm)
@grad permutedims(xs, perm) = permutedims(data(xs), perm), Δ -> (permutedims(Δ, invperm(perm)),nothing)
Base.PermutedDimsArray(xs::TrackedArray, perm) = track(PermutedDimsArray, xs, perm)
@grad PermutedDimsArray(xs, perm) = PermutedDimsArray(data(xs), perm), Δ -> (PermutedDimsArray(Δ, invperm(perm)),nothing)
function _kron(mat1::AbstractMatrix,mat2::AbstractMatrix)
m1, n1 = size(mat1)

1
test/tracker.jl
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@ -116,6 +116,7 @@ end
end
@test gradtest(x -> permutedims(x, [3,1,2]), rand(4,5,6))
@test gradtest(x -> PermutedDimsArray(x, [3,1,2]), rand(4,5,6))
@test gradtest(x -> repeat(x; inner=2), rand(5))
@test gradtest(x -> repeat(x; inner=2, outer=3), rand(5))