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Try to extend map_fields_recursive for MixedDuplicated #2777

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Try to extend map_fields_recursive for MixedDuplicated #2777

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5 changes: 5 additions & 0 deletions lib/EnzymeTestUtils/src/generate_tangent.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,11 @@ function map_fields_recursive(f, x::T...) where {T<:Union{Array,Tuple,NamedTuple
map_fields_recursive(f, xi...)
end
end
function map_fields_recursive(f::typeof(Base.copyto!), x::Base.RefValue{T}, y::T) where {T}
x[] = y
return x
end

function map_fields_recursive(f::typeof(Base.copyto!), y::T, x::T) where {T<:LinearAlgebra.HermOrSym{<:Number}}
copyto!(x.uplo == 'U' ? UpperTriangular(parent(y)) : LowerTriangular(parent(y)), x.uplo == 'U' ? UpperTriangular(parent(x)) : LowerTriangular(parent(x)))
return y
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