LinearAlgebra/addmul/mul!(::Matrix{BigFloat}, ::LinearAlgebra.LowerTriangular{Float64, S} where S<:AbstractMatrix{Float64}, ::LinearAlgebra.Symmetric{BigFloat, S} where S<:(AbstractMatrix{<:BigFloat}), α, β)/α = -0.550843514499490982672114114393480122089385986328125, β = -0.550843514499490982672114114393480122089385986328125/adjoint and transpose/fa = adjoint, fb = adjoint @test returned_mat === Ccopy