TastyPancakes/Flux.jl
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change prod implementation to avoid small xs

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chengchingwen 2018-03-07 21:01:07 +08:00
parent 7c721475c6
commit 43af3895b0
1 changed files with 1 additions and 1 deletions
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src/tracker/array.jl
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@ -144,7 +144,7 @@ Base.prod(xs::TrackedArray) = track(prod, xs)
Base.prod(f::Union{Function, Type}, xs::TrackedArray) = prod(f.(xs))
back(::typeof(prod), Δ, xs::TrackedArray, dim...) = back(xs, similar(xs.data) .= (prod(xs.data, dim...) ./ xs.data) .* Δ)
back(::typeof(prod), Δ, xs::TrackedArray) = back(xs, similar(xs.data) .= (prod(xs.data) ./ xs.data) .* Δ)
back(::typeof(prod), Δ, xs::TrackedArray) = back(xs, similar(xs.data) .= (reshape(.*(circshift.([reshape(xs.data, length(xs.data))], 1:length(xs.data)-1)...), size(xs.data))) .* Δ)
Base.maximum(xs::TrackedArray, args...) = maximum(xs.data, args...)
Base.findfirst(xs::TrackedArray, args...) = findfirst(xs.data, args...)