LinearAlgebra/addmul/mul!(::Matrix{BigFloat}, ::LinearAlgebra.SymTridiagonal{Int32, V} where V<:AbstractVector{Int32}, ::LinearAlgebra.LowerTriangular{Float64, S} where S<:AbstractMatrix{Float64}, α, β)/α = -1.5868166159627807854093362038838677108287811279296875, β = -1.5868166159627807854093362038838677108287811279296875/adjoint and transpose/fa = adjoint, fb = transpose @test returned_mat === Ccopy