Source file `owl_ndarray_transpose.ml`

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

open Bigarray
open Owl_core_types

external owl_float32_ndarray_transpose
  :  ('a, 'b) owl_arr
  -> ('a, 'b) owl_arr
  -> (int64, int64_elt) owl_arr
  -> (int64, int64_elt) owl_arr
  -> unit
  = "stub_float32_ndarray_transpose"

external owl_float64_ndarray_transpose
  :  ('a, 'b) owl_arr
  -> ('a, 'b) owl_arr
  -> (int64, int64_elt) owl_arr
  -> (int64, int64_elt) owl_arr
  -> unit
  = "stub_float64_ndarray_transpose"

external owl_complex32_ndarray_transpose
  :  ('a, 'b) owl_arr
  -> ('a, 'b) owl_arr
  -> (int64, int64_elt) owl_arr
  -> (int64, int64_elt) owl_arr
  -> unit
  = "stub_complex32_ndarray_transpose"

external owl_complex64_ndarray_transpose
  :  ('a, 'b) owl_arr
  -> ('a, 'b) owl_arr
  -> (int64, int64_elt) owl_arr
  -> (int64, int64_elt) owl_arr
  -> unit
  = "stub_complex64_ndarray_transpose"

let _ndarray_transpose
    : type a b.
      (a, b) kind
      -> (a, b) owl_arr
      -> (a, b) owl_arr
      -> (int64, int64_elt) owl_arr
      -> (int64, int64_elt) owl_arr
      -> unit
  = function
  | Float32   -> owl_float32_ndarray_transpose
  | Float64   -> owl_float64_ndarray_transpose
  | Complex32 -> owl_complex32_ndarray_transpose
  | Complex64 -> owl_complex64_ndarray_transpose
  | _         -> failwith "_ndarray_transpose: unsupported operation"