LinearAlgebra/addmul/mul!(::Matrix{ComplexF64}, ::LinearAlgebra.Symmetric{Int64, S} where S<:(AbstractMatrix{<:Int64}), ::LinearAlgebra.Tridiagonal{ComplexF32, V} where V<:AbstractVector{ComplexF32}, α, β)/α = true, β = -2.0731685517347254 - 0.39647459445191774im/adjoint and transpose/fa = transpose, fb = identity @test ≈(collect(returned_mat), exp_val, rtol = rtol, atol = atol)