    sig
      type ('a, 'b, 'c) t
      val create :
        ('a, 'b) Bigarray.kind ->
        'c Bigarray.layout -> int -> ('a, 'b, 'c) Bigarray.Array1.t
      val dim : ('a, 'b, 'c) Bigarray.Array1.t -> int
      external get : ('a, 'b, 'c) Bigarray.Array1.t -> int -> 'a
        = "%bigarray_ref_1"
      external set : ('a, 'b, 'c) Bigarray.Array1.t -> int -> 'a -> unit
        = "%bigarray_set_1"
      external sub :
        ('a, 'b, 'c) Bigarray.Array1.t ->
        int -> int -> ('a, 'b, 'c) Bigarray.Array1.t = "bigarray_sub"
      external blit :
        ('a, 'b, 'c) Bigarray.Array1.t -> ('a, 'b, 'c) Bigarray.Array1.t -> unit
        = "bigarray_blit"
      external fill : ('a, 'b, 'c) Bigarray.Array1.t -> 'a -> unit
        = "bigarray_fill"
      val of_array :
        ('a, 'b) Bigarray.kind ->
        'c Bigarray.layout -> 'a array -> ('a, 'b, 'c) Bigarray.Array1.t
      val map_file :
        Unix.file_descr ->
        ('a, 'b) Bigarray.kind ->
        'c Bigarray.layout -> bool -> int -> ('a, 'b, 'c) Bigarray.Array1.t
    end