LinearAlgebra/addmul/mul!(::Matrix{Float64}, ::LinearAlgebra.SymTridiagonal{Float64, V} where V<:AbstractVector{Float64}, ::LinearAlgebra.UnitLowerTriangular{Float32, S} where S<:AbstractMatrix{Float32}, α, β)/α = -0.6653404187929869, β = 0.0/adjoint and transpose/fa = adjoint, fb = adjoint @test returned_mat === Ccopy