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Add extension for ArrayInterface #19

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Merged
goerz merged 1 commit into from
Feb 24, 2026
+27 −0
Merged

Add extension for ArrayInterface #19

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7 changes: 7 additions & 0 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,14 @@ QuantumControl = "8a270532-f23f-47a8-83a9-b33d10cad486"
Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"

[weakdeps]
ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"

[extensions]
QuantumGradientGeneratorsArrayInterfaceExt = "ArrayInterface"

[compat]
ArrayInterface = "7.0"
LinearAlgebra = "1"
QuantumControl = ">=0.11.0"
Random = "1"
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20 changes: 20 additions & 0 deletions ext/QuantumGradientGeneratorsArrayInterfaceExt.jl
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@@ -0,0 +1,20 @@
module QuantumGradientGeneratorsArrayInterfaceExt

import ArrayInterface
import QuantumGradientGenerators: GradVector
import QuantumControl.QuantumPropagators.Interfaces: supports_vector_interface

# The following methods are necessary for `check_state`, because `similar`
# can return a `GradVector`, and the results of `similar` must be a mutable
# array.

ArrayInterface.ismutable(::Type{GradVector{N,T}}) where {N,T} =
ArrayInterface.ismutable(T) && supports_vector_interface(T)


# Direct access to the elements of a `GradVector` is possible, but should be
# discouraged

ArrayInterface.fast_scalar_indexing(::Type{<:GradVector}) = false

end