1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267
|
(* Js_of_ocaml
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2020 Hugo Heuzard
*
* This program 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, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open! Stdlib
open StdLabels
open Bigarray
module Complex = struct
type t = Complex.t =
{ re : float
; im : float
}
let to_string { re; im } = Printf.sprintf "%g+%gi" re im
let of_string s =
match String.split_on_char ~sep:'+' s with
| [ x ] ->
if x.[String.length x - 2] = 'i'
then
{ re = 0.
; im = Float.of_string (String.sub x ~pos:0 ~len:(String.length x - 1))
}
else { re = Float.of_string x; im = 0. }
| [ x; y ] ->
assert (y.[String.length y - 2] = 'i');
{ re = Float.of_string x
; im = Float.of_string (String.sub y ~pos:0 ~len:(String.length y - 1))
}
| _ -> assert false
end
module Char = struct
let to_string = Printf.sprintf "'%C'"
let code = Char.code
let chr = Char.chr
end
let from_list kind vals =
let a = Array1.create kind c_layout (List.length vals) in
let rec set i = function
| [] -> ()
| hd :: tl ->
a.{i} <- hd;
set (i + 1) tl
in
set 0 vals;
a
let%expect_test "compare elt" =
let test kind to_string a b =
let op c =
if c = 0 then "=" else if c < 0 then "<" else if c > 0 then ">" else "??"
in
let c = compare a b in
let c' = compare (from_list kind [ a ]) (from_list kind [ b ]) in
if c' = c
then
Printf.printf
"%s %s %s: Bigarray compare the same\n"
(to_string a)
(op c)
(to_string b)
else
Printf.printf
"%s %s %s vs %s %s %s: Bigarray compare differently\n"
(to_string a)
(op c)
(to_string b)
(to_string a)
(op c')
(to_string b)
in
test int64 Int64.to_string 0x0000000110000000L 0x0000001001000000L;
[%expect {| 4563402752 < 68736253952: Bigarray compare the same |}];
test int64 Int64.to_string 8796093022210L 17592186044417L;
[%expect {| 8796093022210 < 17592186044417: Bigarray compare the same |}];
test int64 Int64.to_string 0xffffffffL 0x0fffffffL;
[%expect {| 4294967295 > 268435455: Bigarray compare the same |}];
test int32 Int32.to_string 0x00011000l 0x00100100l;
[%expect {| 69632 < 1048832: Bigarray compare the same |}];
test int32 Int32.to_string 0xffff0000l 0x0000ffffl;
[%expect {| -65536 < 65535: Bigarray compare the same |}];
test complex32 Complex.to_string { re = 1.0; im = 0.0 } { re = 0.0; im = 1.0 };
[%expect {| 1+0i > 0+1i: Bigarray compare the same |}];
test complex64 Complex.to_string { re = 1.0; im = 0.0 } { re = 0.0; im = 1.0 };
[%expect {| 1+0i > 0+1i: Bigarray compare the same |}];
test float32 Float.to_string 1.0 0.0;
[%expect {| 1. > 0.: Bigarray compare the same |}];
test float32 Float.to_string nan nan;
[%expect {| nan = nan: Bigarray compare the same |}];
test float64 Float.to_string 0.0 1.0;
[%expect {| 0. < 1.: Bigarray compare the same |}];
test float64 Float.to_string nan nan;
[%expect {| nan = nan: Bigarray compare the same |}];
test int8_signed Int.to_string (-1) 1;
[%expect {| -1 < 1: Bigarray compare the same |}];
test int8_unsigned Int.to_string (-1) 1;
[%expect {| -1 < 1 vs -1 > 1: Bigarray compare differently |}];
test int8_unsigned Int.to_string 2 3;
[%expect {| 2 < 3: Bigarray compare the same |}];
test int16_signed Int.to_string (-1) 1;
[%expect {| -1 < 1: Bigarray compare the same |}];
test int16_unsigned Int.to_string (-1) 1;
[%expect {| -1 < 1 vs -1 > 1: Bigarray compare differently |}];
test int16_unsigned Int.to_string 2 3;
[%expect {| 2 < 3: Bigarray compare the same |}];
test int Int.to_string (-65536) 65535;
[%expect {| -65536 < 65535: Bigarray compare the same |}];
test int Int.to_string 0x00011000 0x00100100;
[%expect {| 69632 < 1048832: Bigarray compare the same |}];
test nativeint Nativeint.to_string (-65536n) 65535n;
[%expect {| -65536 < 65535: Bigarray compare the same |}];
test nativeint Nativeint.to_string 0x00011000n 0x00100100n;
[%expect {| 69632 < 1048832: Bigarray compare the same |}];
test char Char.to_string '\000' '\001';
[%expect {| ''\000'' < ''\001'': Bigarray compare the same |}];
test char Char.to_string '\255' '\000';
[%expect {| ''\255'' > ''\000'': Bigarray compare the same |}]
let%expect_test "compare" =
let test (type a b) (a : a) (b : b) =
let c = compare (Obj.magic a) (Obj.magic b) in
let s = if c = 0 then "Eq" else if c < 0 then "<" else ">" in
Printf.printf "%s\n" s
in
(* different kind *)
test (Array1.create int8_signed c_layout 1) (Array1.create char c_layout 1);
[%expect {| > |}];
test (Array1.create char c_layout 1) (Array1.create int8_signed c_layout 1);
[%expect {| < |}];
test (Array1.create int64 c_layout 1) (Array1.create char c_layout 1);
[%expect {| > |}];
test (Array1.create char c_layout 1) (Array1.create int64 c_layout 1);
[%expect {| < |}];
(* different layout *)
test (Array1.create char c_layout 1) (Array1.create char fortran_layout 1);
[%expect {| > |}];
test (Array1.create char fortran_layout 1) (Array1.create char c_layout 1);
[%expect {| < |}];
(* different size *)
test (Array1.create char c_layout 1) (Array1.create char c_layout 2);
[%expect {| < |}];
test (Array1.create char c_layout 2) (Array1.create char c_layout 1);
[%expect {| > |}];
test (Array2.create char c_layout 1 2) (Array1.create char c_layout 2);
[%expect {| < |}];
test (Array2.create char c_layout 1 2) (Array2.create char c_layout 2 1);
[%expect {| < |}];
test (Array2.create char c_layout 2 1) (Array2.create char c_layout 1 2);
[%expect {| > |}];
()
let%expect_test "change_layout, reshape" =
let f = Array2.create int fortran_layout 2 3 in
let c = Array2.create int c_layout 3 2 in
f.{1, 1} <- 1;
f.{2, 1} <- 2;
f.{1, 2} <- 3;
f.{2, 2} <- 4;
f.{1, 3} <- 5;
f.{2, 3} <- 6;
c.{0, 0} <- 1;
c.{0, 1} <- 2;
c.{1, 0} <- 3;
c.{1, 1} <- 4;
c.{2, 0} <- 5;
c.{2, 1} <- 6;
let c2 = Array2.change_layout f c_layout in
assert (compare c c2 = 0);
let c' = genarray_of_array2 c in
let c2' = genarray_of_array2 c2 in
assert (compare (reshape_1 c' 6) (reshape_1 c2' 6) = 0)
external blit_ba_to_ba :
(_, _, _) Array1.t -> int -> (_, _, _) Array1.t -> int -> int -> unit
= "caml_bigstring_blit_ba_to_ba"
external blit_ba_to_bytes : (_, _, _) Array1.t -> int -> Bytes.t -> int -> int -> unit
= "caml_bigstring_blit_ba_to_bytes"
external blit_bytes_to_ba : Bytes.t -> int -> (_, _, _) Array1.t -> int -> int -> unit
= "caml_bigstring_blit_bytes_to_ba"
external blit_string_to_ba : string -> int -> (_, _, _) Array1.t -> int -> int -> unit
= "caml_bigstring_blit_string_to_ba"
let print_ba a =
for i = 0 to Array1.dim a - 1 do
Printf.printf "\\%03d" (Char.code a.{i})
done;
Printf.printf "\n"
let print_bytes a =
for i = 0 to Bytes.length a - 1 do
Printf.printf "\\%03d" (Char.code (Bytes.get a i))
done;
Printf.printf "\n"
let%expect_test "blit ba-ba" =
let a = Array1.create char c_layout 10 in
Array1.fill a '\000';
let a' = Array1.sub a 2 6 in
let b = Array1.create char c_layout 10 in
Array1.fill b '\001';
let b' = Array1.sub b 4 6 in
for i = 0 to 10 - 1 do
a.{i} <- Char.chr i
done;
blit_ba_to_ba a' 1 b' 2 3;
print_ba a;
print_ba b;
[%expect
{|
\000\001\002\003\004\005\006\007\008\009
\001\001\001\001\001\001\003\004\005\001 |}]
let%expect_test "blit ba-bytes" =
let a = Array1.create char c_layout 10 in
let a' = Array1.sub a 2 6 in
let b = Bytes.create 10 in
Bytes.fill b ~pos:0 ~len:10 '\000';
for i = 0 to 10 - 1 do
a.{i} <- Char.chr i
done;
blit_ba_to_bytes a' 1 b 6 3;
print_ba a;
print_bytes b;
[%expect
{|
\000\001\002\003\004\005\006\007\008\009
\000\000\000\000\000\000\003\004\005\000 |}]
let%expect_test "blit bytes-ba" =
let a = Bytes.create 10 in
Bytes.fill a ~pos:0 ~len:10 '\000';
let b = Array1.create char c_layout 10 in
Array1.fill b '\255';
let b' = Array1.sub b 4 6 in
for i = 0 to 10 - 1 do
Bytes.set a i (Char.chr i)
done;
blit_bytes_to_ba a 3 b' 2 3;
print_bytes a;
print_ba b;
[%expect
{|
\000\001\002\003\004\005\006\007\008\009
\255\255\255\255\255\255\003\004\005\255 |}]
|