LinearAlgebra/addmul/mul!(::Matrix{Int32}, ::LinearAlgebra.Tridiagonal{Int32, V} where V<:AbstractVector{Int32}, ::LinearAlgebra.Bidiagonal{Int32, V} where V<:AbstractVector{Int32}, α, β)/α = -3, β = -3/adjoint and transpose/fa = transpose, fb = identity @test returned_mat === Ccopy
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