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Add promote_eltype for CuArray / ROCArray / MtlArray #483

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Merged
ChrisRackauckas merged 1 commit into from
Apr 16, 2026
+19 −1
Merged

Add promote_eltype for CuArray / ROCArray / MtlArray #483

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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "ArrayInterface"
uuid = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"
version = "7.23.0"
version = "7.24.0"

[deps]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
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6 changes: 6 additions & 0 deletions ext/ArrayInterfaceAMDGPUExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -12,4 +12,10 @@ end

ArrayInterface.device(::Type{<:AMDGPU.ROCArray}) = ArrayInterface.GPU()

function ArrayInterface.promote_eltype(
::Type{<:AMDGPU.ROCArray{T, N, B}}, ::Type{T2}
) where {T, N, B, T2}
return AMDGPU.ROCArray{promote_type(T, T2), N, B}
end

end # module
6 changes: 6 additions & 0 deletions ext/ArrayInterfaceCUDAExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -13,4 +13,10 @@ end

ArrayInterface.device(::Type{<:CUDA.CuArray}) = ArrayInterface.GPU()

function ArrayInterface.promote_eltype(
::Type{<:CUDA.CuArray{T, N, M}}, ::Type{T2}
) where {T, N, M, T2}
return CUDA.CuArray{promote_type(T, T2), N, M}
end

end # module
6 changes: 6 additions & 0 deletions ext/ArrayInterfaceMetalExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -12,4 +12,10 @@ end

ArrayInterface.device(::Type{<:Metal.MtlArray}) = ArrayInterface.GPU()

function ArrayInterface.promote_eltype(
::Type{<:Metal.MtlArray{T, N, S}}, ::Type{T2}
) where {T, N, S, T2}
return Metal.MtlArray{promote_type(T, T2), N, S}
end

end # module
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