optimize raising to the power
optimize raising to the power

samoht/ocaml-vchan,djs55/ocaml-vchan,samoht/ocaml-vchan,mirage/ocaml-vchan,djs55/ocaml-vchan,samoht/ocaml-vchan,mirage/ocaml-vchan,mirage/ocaml-vchan,djs55/ocaml-vchan