LinearAlgebra/addmul/mul!(::Matrix{BigFloat}, ::LinearAlgebra.Tridiagonal{Float32, V} where V<:AbstractVector{Float32}, ::LinearAlgebra.UnitUpperTriangular{Float32, S} where S<:AbstractMatrix{Float32}, α, β)/α = 0.052674996334574585021837123122168122790753841400146484375, β = 0.052674996334574585021837123122168122790753841400146484375/adjoint and transpose/fa = transpose, fb = identity @test ≈(collect(returned_mat), exp_val, rtol = rtol, atol = atol)