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Author: gdalle

DifferentiationInterface/docs/src/faq/differentiability.md

@@ -112,4 +112,4 @@ There are, however, translation utilities:
 
 Also note the existence of [`DifferentiationInterface.DifferentiateWith`](@ref), which allows the user to wrap a function that should be differentiated with a specific backend.
 
-Right now, it only targets [ForwardDiff.jl](https://github.com/JuliaDiff/ForwardDiff.jl), [Mooncake.jl](), [ChainRules.jl](https://juliadiff.org/ChainRulesCore.jl/stable/)-compatible backends (e.g., [Zygote.jl](https://github.com/FluxML/Zygote.jl)),  but PRs are welcome to define Enzyme.jl rules for this object.
+Right now, it only targets [ForwardDiff.jl](https://github.com/JuliaDiff/ForwardDiff.jl), [Mooncake.jl](), [ChainRules.jl](https://juliadiff.org/ChainRulesCore.jl/stable/)-compatible backends (e.g., [Zygote.jl](https://github.com/FluxML/Zygote.jl)), but PRs are welcome to define Enzyme.jl rules for this object.

DifferentiationInterface/ext/DifferentiationInterfaceMooncakeExt/differentiate_with.jl

@@ -40,11 +40,11 @@ function Mooncake.rrule!!(
 
     pullback = if tangent_type(typeof(primal(x))) <: NoTangent
         pullback_nodiff!!
-    elseif typeof(primal(y)) <: Number
+    elseif primal(y) isa Number
         pullback_scalar!!
-    elseif typeof(primal(y)) <: Array
+    elseif primal(y) <: AbstractArray
         pullback_array!!
-    elseif typeof(primal(y)) <: Tuple
+    elseif primal(y) <: Tuple
         pullback_tuple!!
     else
         error(
@@ -94,11 +94,11 @@ function Mooncake.rrule!!(dw::CoDual{<:DI.DifferentiateWith}, x::CoDual{<:Abstra
 
     pullback = if tangent_type(typeof(primal(x))) <: Vector{NoTangent}
         pullback_nodiff!!
-    elseif typeof(primal(y)) <: Number
+    elseif primal(y) isa Number
         pullback_scalar!!
-    elseif typeof(primal(y)) <: AbstractArray
+    elseif primal(y) <: AbstractArray
         pullback_array!!
-    elseif typeof(primal(y)) <: Tuple
+    elseif primal(y) <: Tuple
         pullback_tuple!!
     else
         error(