LinearAlgebra/addmul/mul!(::LinearAlgebra.LowerTriangular{ComplexF64, S} where S<:AbstractMatrix{ComplexF64}, ::LinearAlgebra.LowerTriangular{Float32, S} where S<:AbstractMatrix{Float32}, ::LinearAlgebra.UnitLowerTriangular{Float64, S} where S<:AbstractMatrix{Float64}, α, β)/α = 2.1428992517542995 - 1.9245456848747187im, β = 2.1428992517542995 - 1.9245456848747187im @test returned_mat === Ccopy