LinearAlgebra/addmul/mul!(::Matrix{BigFloat}, ::Matrix{Float64}, ::LinearAlgebra.Diagonal{BigFloat, V} where V<:AbstractVector{BigFloat}, α, β)/α = 1.0, β = 0.10454151826314243833859762844440410844981670379638671875/adjoint and transpose/fa = transpose, fb = identity @test returned_mat === Ccopy