Source file `owl_computation_cpu_device.ml`

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# 1 "src/base/compute/owl_computation_cpu_device.ml"
(*
 * OWL - OCaml Scientific and Engineering Computing
 * Copyright (c) 2016-2020 Liang Wang <liang.wang@cl.cam.ac.uk>
 *)

open Owl_types

(* Functor of making CPU devices *)

module Make (A : Ndarray_Mutable) = struct
  module A = A

  type device =
    { device_type : device_type
    ; initialised : bool
    }

  type value =
    | ArrVal of A.arr
    | EltVal of A.elt

  let make_device () = { device_type = CPU; initialised = false }

  let arr_to_value x = ArrVal x

  let value_to_arr = function
    | ArrVal x -> x
    | _        -> failwith "Owl_computation_device: value_to_arr"


  let elt_to_value x = EltVal x

  let value_to_elt = function
    | EltVal x -> x
    | _        -> failwith "Owl_computation_device: value_to_elt"


  let value_to_float x = A.elt_to_float (value_to_elt x)

  let is_arr = function
    | ArrVal _ -> true
    | EltVal _ -> false


  let is_elt = function
    | ArrVal _ -> false
    | EltVal _ -> true
end