LinearAlgebra/addmul/mul!(::Matrix{Float64}, ::LinearAlgebra.UnitLowerTriangular{Int64, S} where S<:AbstractMatrix{Int64}, ::LinearAlgebra.Hermitian{Float64, S} where S<:(AbstractMatrix{<:Float64}), α, β)/α = 0.4521790684275917, β = false/adjoint and transpose/fa = transpose, fb = adjoint @test returned_mat === Ccopy