LinearAlgebra/addmul/mul!(::Matrix{ComplexF64}, ::LinearAlgebra.UnitUpperTriangular{Float64, S} where S<:AbstractMatrix{Float64}, ::LinearAlgebra.LowerTriangular{Float64, S} where S<:AbstractMatrix{Float64}, α, β)/α = -0.10469278282116103 - 1.242445722310259im, β = -0.10469278282116103 - 1.242445722310259im @test returned_mat === Ccopy