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(*
Title: Standard Basis Library: Mono_Array2 signature and structures.
Author: David Matthews
Copyright David Matthews 2000
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*)
(* G&R 2004 status: no change. *)
signature MONO_ARRAY2 =
sig
eqtype array
type elem
type vector
type region = {
base : array,
row : int,
col : int,
nrows : int option,
ncols : int option
}
datatype traversal = datatype Array2.traversal
val array : int * int * elem -> array
val fromList : elem list list -> array
val tabulate : traversal -> int * int * (int * int -> elem) -> array
val sub : array * int * int -> elem
val update : array * int * int * elem -> unit
val dimensions : array -> int * int
val nCols : array -> int
val nRows : array -> int
val row: array * int -> vector
val column: array * int -> vector
val copy: {
src : region,
dst : array,
dst_row : int,
dst_col : int
} -> unit
val appi: Array2.traversal -> (int * int * elem -> unit) -> region -> unit
val app: Array2.traversal -> (elem -> unit) -> array -> unit
val modifyi: Array2.traversal -> (int * int * elem -> elem) -> region -> unit
val modify: Array2.traversal -> (elem -> elem) -> array -> unit
val foldi: Array2.traversal -> (int * int * elem * 'b -> 'b) -> 'b -> region -> 'b
val fold: Array2.traversal -> (elem * 'b -> 'b) -> 'b -> array -> 'b
end;
(* All these are simply defined in terms of Array2, at least for the
moment. *)
structure Word8Array2 : MONO_ARRAY2
where type vector = Word8Vector.vector
where type elem = Word8.word =
struct
open Array2
type elem = Word8.word
type vector = Word8Vector.vector
type elem = Word8.word
type array = elem array
type region = elem region
(* Have to redefine row and column in terms of Word8Vector. *)
fun row(a, i) =
Word8Vector.tabulate(nCols a, fn j => sub(a, i, j))
and column(a, j) =
Word8Vector.tabulate(nRows a, fn i => sub(a, i, j))
end;
structure CharArray2 : MONO_ARRAY2
where type vector = CharVector.vector
where type elem = char =
struct
open Array2
type elem = char
type vector = CharVector.vector
type array = elem array
type region = elem region
fun row(a, i) =
CharVector.tabulate(nCols a, fn j => sub(a, i, j))
and column(a, j) =
CharVector.tabulate(nRows a, fn i => sub(a, i, j))
end;
structure BoolArray2 : MONO_ARRAY2
where type vector = BoolVector.vector
where type elem = bool =
struct
open Array2
type elem = bool
type vector = BoolVector.vector
type array = elem array
type region = elem region
fun row(a, i) =
BoolVector.tabulate(nCols a, fn j => sub(a, i, j))
and column(a, j) =
BoolVector.tabulate(nRows a, fn i => sub(a, i, j))
end;
structure IntArray2 : MONO_ARRAY2
where type vector = IntVector.vector
where type elem = int =
struct
open Array2
type elem = int
type vector = IntVector.vector
type array = elem array
type region = elem region
fun row(a, i) =
IntVector.tabulate(nCols a, fn j => sub(a, i, j))
and column(a, j) =
IntVector.tabulate(nRows a, fn i => sub(a, i, j))
end;
structure RealArray2 : MONO_ARRAY2
where type vector = RealVector.vector
where type elem = real =
struct
open Array2
type elem = real
type vector = RealVector.vector
type array = elem array
type region = elem region
fun row(a, i) =
RealVector.tabulate(nCols a, fn j => sub(a, i, j))
and column(a, j) =
RealVector.tabulate(nRows a, fn i => sub(a, i, j))
end;
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