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make_zero(!) bugfixes and improved tests #1961

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merged 6 commits into from
Nov 28, 2024
Merged

make_zero(!) bugfixes and improved tests #1961

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ac1a8df
Fix make_zero(!) bugs
danielwe Oct 3, 2024
7838c29
Add make_zero(!) tests
danielwe Oct 3, 2024
48a6e6f
Fix more make_zero(!) bugs and add more tests
danielwe Oct 22, 2024
0d00224
Improve make_zero! error message
danielwe Nov 27, 2024
cc88240
Simplify likely dead branch
danielwe Nov 28, 2024
636b025
Reinstate single-arg StaticArrays methods
danielwe Nov 28, 2024
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47 changes: 43 additions & 4 deletions ext/EnzymeStaticArraysExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -32,11 +32,50 @@ end
end
end

@inline function Enzyme.EnzymeCore.make_zero(x::FT)::FT where {FT<:SArray}
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return Base.zero(x)
@inline function Enzyme.EnzymeCore.make_zero(
prev::FT
) where {S,T<:Union{AbstractFloat,Complex{<:AbstractFloat}},FT<:SArray{S,T}}
return Base.zero(prev)::FT
end
@inline function Enzyme.EnzymeCore.make_zero(x::FT)::FT where {FT<:MArray}
return Base.zero(x)
@inline function Enzyme.EnzymeCore.make_zero(
prev::FT
) where {S,T<:Union{AbstractFloat,Complex{<:AbstractFloat}},FT<:MArray{S,T}}
return Base.zero(prev)::FT
end

@inline function Enzyme.EnzymeCore.make_zero(
::Type{FT}, seen::IdDict, prev::FT, ::Val{copy_if_inactive} = Val(false)
) where {S,T<:Union{AbstractFloat,Complex{<:AbstractFloat}},FT<:SArray{S,T},copy_if_inactive}
return Base.zero(prev)::FT
end
@inline function Enzyme.EnzymeCore.make_zero(
::Type{FT}, seen::IdDict, prev::FT, ::Val{copy_if_inactive} = Val(false)
) where {S,T<:Union{AbstractFloat,Complex{<:AbstractFloat}},FT<:MArray{S,T},copy_if_inactive}
if haskey(seen, prev)
return seen[prev]
end
new = Base.zero(prev)::FT
seen[prev] = new
return new
end

@inline function Enzyme.EnzymeCore.make_zero!(
prev::FT, seen
) where {S,T<:Union{AbstractFloat,Complex{<:AbstractFloat}},FT<:MArray{S,T}}
if !isnothing(seen)
if prev in seen
return nothing
end
push!(seen, prev)
end
fill!(prev, zero(T))
return nothing
end
@inline function Enzyme.EnzymeCore.make_zero!(
prev::FT
) where {S,T<:Union{AbstractFloat,Complex{<:AbstractFloat}},FT<:MArray{S,T}}
Enzyme.EnzymeCore.make_zero!(prev, nothing)
return nothing
end

end
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