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added type for differentiate in chain_rules.jl #214

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added type for differentiate in chain_rules.jl #214

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6 changes: 3 additions & 3 deletions src/chain_rules.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,10 @@ end
function ChainRulesCore.frule((_, Δp, _), ::typeof(differentiate), p, x)
return differentiate(p, x), differentiate(Δp, x)
end
function pullback(Δdpdx, x)
function pullback_differentiate_polynomial(Δdpdx, x)
return ChainRulesCore.NoTangent(), x * differentiate(x * Δdpdx, x), ChainRulesCore.NoTangent()
end
function ChainRulesCore.rrule(::typeof(differentiate), p, x)
function ChainRulesCore.rrule(::typeof(differentiate), p::APL, x)
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Is that resolving an issue you had ? differentiate is defined by this package so I don't think it would give issue to not specify the type here

dpdx = differentiate(p, x)
return dpdx, Base.Fix2(pullback, x)
return dpdx, Base.Fix2(pullback_differentiate_polynomial, x)
end