LinearAlgebra/addmul/mul!(::Matrix{Float64}, ::LinearAlgebra.Bidiagonal{Int64, V} where V<:AbstractVector{Int64}, ::LinearAlgebra.LowerTriangular{Float64, S} where S<:AbstractMatrix{Float64}, α, β)/α = 1.0, β = -0.19168256372596146/adjoint and transpose/fa = transpose, fb = adjoint @test returned_mat === Ccopy