LinearAlgebra/addmul/mul!(::Matrix{ComplexF64}, ::LinearAlgebra.UnitLowerTriangular{Int64, S} where S<:AbstractMatrix{Int64}, ::LinearAlgebra.Tridiagonal{Float64, V} where V<:AbstractVector{Float64}, α, β)/α = true, β = 0.8188812876091524 + 0.6806038879174293im/adjoint and transpose/fa = adjoint, fb = identity @test returned_mat === Ccopy