LinearAlgebra/addmul/mul!(::LinearAlgebra.Diagonal{ComplexF64, V} where V<:AbstractVector{ComplexF64}, ::LinearAlgebra.Diagonal{Float64, V} where V<:AbstractVector{Float64}, ::LinearAlgebra.Diagonal{ComplexF64, V} where V<:AbstractVector{ComplexF64}, α, β)/α = 1.5138291889953628 - 0.8562980174826337im, β = 1.5138291889953628 - 0.8562980174826337im @test returned_mat === Ccopy