LinearAlgebra/addmul/mul!(::Matrix{BigFloat}, ::LinearAlgebra.LowerTriangular{BigFloat, S} where S<:AbstractMatrix{BigFloat}, ::LinearAlgebra.Symmetric{BigFloat, S} where S<:(AbstractMatrix{<:BigFloat}), α, β)/α = true, β = -0.351925010501357327097338156818295828998088836669921875/adjoint and transpose/fa = transpose, fb = adjoint @test returned_mat === Ccopy