LinearAlgebra/addmul/mul!(::Matrix{ComplexF64}, ::LinearAlgebra.Bidiagonal{Float64, V} where V<:AbstractVector{Float64}, ::LinearAlgebra.Tridiagonal{ComplexF64, V} where V<:AbstractVector{ComplexF64}, α, β)/α = 0.949409128786193 + 0.190334473772887im, β = 0.0 + 0.0im/adjoint and transpose/fa = transpose, fb = adjoint @test ≈(collect(returned_mat), exp_val, rtol = rtol, atol = atol)