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Accept vector-valued per-qp kernels in the diagonal assembler #337

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Merged
lxmota merged 1 commit into from
Aug 24, 2026
Merged

Accept vector-valued per-qp kernels in the diagonal assembler #337

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6 changes: 6 additions & 0 deletions src/assemblers/Assemblers.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,12 @@ end
return val_e + diag_q
end

# A diagonal-only element kernel returns the per-quadrature-point diagonal
# directly as an SVector, so the full N×N element matrix is never formed.
@inline function _accumulate_q_value(::AssembledDiagonal, storage, d_q::SVector{N, T}, val_e, q, e) where {N, T}
return val_e + d_q
end

@inline function _accumulate_q_value(::AssembledScalar, storage::AbstractArray{T, 3}, val_q, val_e, q, e) where T
# TODO will it always be 1 for how we're using this?
storage[1, q, e] = val_q
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