LinearAlgebra/addmul/mul!(::Matrix{Float64}, ::LinearAlgebra.Tridiagonal{Int64, V} where V<:AbstractVector{Int64}, ::LinearAlgebra.Tridiagonal{Float32, V} where V<:AbstractVector{Float32}, α, β)/α = true, β = false/adjoint and transpose/fa = transpose, fb = adjoint @test returned_mat === Ccopy