LinearAlgebra/addmul/mul!(::Matrix{ComplexF64}, ::LinearAlgebra.Bidiagonal{Float32, V} where V<:AbstractVector{Float32}, ::LinearAlgebra.UnitLowerTriangular{Float32, S} where S<:AbstractMatrix{Float32}, α, β)/α = -1.2868206193837437 + 0.1941113744238983im, β = false/adjoint and transpose/fa = identity, fb = adjoint @test returned_mat === Ccopy