<auto-generated stub>
def chol(A: Rep[DenseMatrix[Double]], tri: Rep[String] = unit("upper")): Rep[DenseMatrix[Double]]
def det(x: Rep[DenseMatrix[T]]): Rep[T]
def lu(x: Rep[DenseMatrix[Double]]): Tuple3[Rep[DenseMatrix[Double]],Rep[DenseMatrix[Double]],Rep[DenseMatrix[Int]]]