generic

    type T_Element is digits <>;
    N: Positive;

package Google_Naive is

    type T_Google is limited private;
    type T_Vecteur is limited private;

    function "*"(left : T_Vecteur ; right : T_Google) return T_Vecteur;
    function "*"(left: T_Element; right: T_Google) return T_Google;
    function "/"(left: T_Google; right: T_Element) return T_Google with
            Pre => right /= 0.0;

    procedure initialize(mat: in out T_Google);
    procedure initialize(vec: in out T_Vecteur);

    function ones return T_Google;

    procedure insert(mat: in out T_Google; i, j: Natural; elm: T_Element);

private

    type T_Google is array (0..N-1, 0..N-1) of T_Element;
    type T_Vecteur is array (0..N-1) of T_Element;

end Google_Naive;