package ocaml-base-compiler

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in-package search v0.2.0

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include module type of struct include Bigarray.Array3 end

Three-dimensional arrays. The Array3 structure provides operations similar to those of Bigarray.Genarray, but specialized to the case of three-dimensional arrays.

type ('a, 'b, 'c) t = ('a, 'b, 'c) Bigarray.Array3.t

The type of three-dimensional big arrays whose elements have OCaml type 'a, representation kind 'b, and memory layout 'c.

val create : 
  ('a, 'b) Bigarray.kind ->
  'c Bigarray.layout ->
  int ->
  int ->
  int ->
  ('a, 'b, 'c) t

Array3.create kind layout dim1 dim2 dim3 returns a new bigarray of three dimension, whose size is dim1 in the first dimension, dim2 in the second dimension, and dim3 in the third. kind and layout determine the array element kind and the array layout as described for Bigarray.Genarray.create.

val dim1 : ('a, 'b, 'c) t -> int

Return the first dimension of the given three-dimensional big array.

val dim2 : ('a, 'b, 'c) t -> int

Return the second dimension of the given three-dimensional big array.

val dim3 : ('a, 'b, 'c) t -> int

Return the third dimension of the given three-dimensional big array.

val kind : ('a, 'b, 'c) t -> ('a, 'b) Bigarray.kind

Return the kind of the given big array.

val layout : ('a, 'b, 'c) t -> 'c Bigarray.layout

Return the layout of the given big array.

val change_layout : ('a, 'b, 'c) t -> 'd Bigarray.layout -> ('a, 'b, 'd) t

Array3.change_layout a layout returns a bigarray with the specified layout, sharing the data with a (and hence having the same dimensions as a). No copying of elements is involved: the new array and the original array share the same storage space. The dimensions are reversed, such that get v [| a; b; c |] in C layout becomes get v [| c+1; b+1; a+1 |] in Fortran layout.

since 4.06.0

val size_in_bytes : ('a, 'b, 'c) t -> int

size_in_bytes a is the number of elements in a multiplied by a's kind_size_in_bytes.

since 4.03.0

val get : ('a, 'b, 'c) t -> int -> int -> int -> 'a

Array3.get a x y z, also written a.{x,y,z}, returns the element of a at coordinates (x, y, z). x, y and z must be within the bounds of a, as described for Bigarray.Genarray.get; otherwise, Invalid_argument is raised.

val set : ('a, 'b, 'c) t -> int -> int -> int -> 'a -> unit

Array3.set a x y v, or alternatively a.{x,y,z} <- v, stores the value v at coordinates (x, y, z) in a. x, y and z must be within the bounds of a, as described for Bigarray.Genarray.set; otherwise, Invalid_argument is raised.

val sub_left : 
  ('a, 'b, Bigarray.c_layout) t ->
  int ->
  int ->
  ('a, 'b, Bigarray.c_layout) t

Extract a three-dimensional sub-array of the given three-dimensional big array by restricting the first dimension. See Bigarray.Genarray.sub_left for more details. Array3.sub_left applies only to arrays with C layout.

val sub_right : 
  ('a, 'b, Bigarray.fortran_layout) t ->
  int ->
  int ->
  ('a, 'b, Bigarray.fortran_layout) t

Extract a three-dimensional sub-array of the given three-dimensional big array by restricting the second dimension. See Bigarray.Genarray.sub_right for more details. Array3.sub_right applies only to arrays with Fortran layout.

val slice_left_1 : 
  ('a, 'b, Bigarray.c_layout) t ->
  int ->
  int ->
  ('a, 'b, Bigarray.c_layout) Bigarray.Array1.t

Extract a one-dimensional slice of the given three-dimensional big array by fixing the first two coordinates. The integer parameters are the coordinates of the slice to extract. See Bigarray.Genarray.slice_left for more details. Array3.slice_left_1 applies only to arrays with C layout.

val slice_right_1 : 
  ('a, 'b, Bigarray.fortran_layout) t ->
  int ->
  int ->
  ('a, 'b, Bigarray.fortran_layout) Bigarray.Array1.t

Extract a one-dimensional slice of the given three-dimensional big array by fixing the last two coordinates. The integer parameters are the coordinates of the slice to extract. See Bigarray.Genarray.slice_right for more details. Array3.slice_right_1 applies only to arrays with Fortran layout.

val slice_left_2 : 
  ('a, 'b, Bigarray.c_layout) t ->
  int ->
  ('a, 'b, Bigarray.c_layout) Bigarray.Array2.t

Extract a two-dimensional slice of the given three-dimensional big array by fixing the first coordinate. The integer parameter is the first coordinate of the slice to extract. See Bigarray.Genarray.slice_left for more details. Array3.slice_left_2 applies only to arrays with C layout.

val slice_right_2 : 
  ('a, 'b, Bigarray.fortran_layout) t ->
  int ->
  ('a, 'b, Bigarray.fortran_layout) Bigarray.Array2.t

Extract a two-dimensional slice of the given three-dimensional big array by fixing the last coordinate. The integer parameter is the coordinate of the slice to extract. See Bigarray.Genarray.slice_right for more details. Array3.slice_right_2 applies only to arrays with Fortran layout.

val blit : ('a, 'b, 'c) t -> ('a, 'b, 'c) t -> unit

Copy the first big array to the second big array. See Bigarray.Genarray.blit for more details.

val fill : ('a, 'b, 'c) t -> 'a -> unit

Fill the given big array with the given value. See Bigarray.Genarray.fill for more details.

val of_array : 
  ('a, 'b) Bigarray.kind ->
  'c Bigarray.layout ->
  'a array array array ->
  ('a, 'b, 'c) t

Build a three-dimensional big array initialized from the given array of arrays of arrays.

val unsafe_get : ('a, 'b, 'c) t -> int -> int -> int -> 'a

Like Bigarray.Array3.get, but bounds checking is not always performed.

val unsafe_set : ('a, 'b, 'c) t -> int -> int -> int -> 'a -> unit

Like Bigarray.Array3.set, but bounds checking is not always performed.

val map_file : 
  Unix.file_descr ->
  ?pos:int64 ->
  ('a, 'b) kind ->
  'c layout ->
  bool ->
  int ->
  int ->
  int ->
  ('a, 'b, 'c) t

deprecated Use [array3_of_genarray (Unix.map_file ...)] instead. Note that Bigarray.Array3.map_file raises Sys_error while Unix.map_file raises Unix_error.