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affineoperator caching
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src/matrix.jl

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@@ -184,6 +184,11 @@ has_mul!(L::AffineOperator) = has_mul!(L.A)
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has_ldiv(L::AffineOperator) = has_ldiv(L.A)
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has_ldiv!(L::AffineOperator) = has_ldiv!(L.A)
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function cache_internals(L::AffineOperator, u::AbstractVecOrMat)
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@set! L.A = cache_operator(L.A, u)
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@set! L.b = cache_operator(L.b, u)
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L
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end
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Base.:*(L::AffineOperator, u::AbstractVecOrMat) = L.A * u + L.b
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Base.:\(L::AffineOperator, u::AbstractVecOrMat) = L.A \ (u - L.b)

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