Files
mercury/tests/hard_coded/int32_int8_casts.m
Julien Fischer 7bcacd13c9 Add casts to and from int32 and int{8,16,64}.
library/int32.m:
     Add the above casts.

NEWS:
     Announce the additions.

tests/hard_coded/Mmakefile:
tests/hard_coded/int32_int{8,16,64}.{m,exp}:
     Add tests of the new functions.
2022-01-14 14:52:05 +11:00

92 lines
1.9 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ft=mercury ts=4 sw=4 et
%---------------------------------------------------------------------------%
%
% Test casting int32s to/from int8s.
%
%---------------------------------------------------------------------------%
:- module int32_int8_casts.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
%---------------------------------------------------------------------------%
%---------------------------------------------------------------------------%
:- implementation.
:- import_module list.
:- import_module string.
:- import_module int32.
:- import_module int8.
%---------------------------------------------------------------------------%
main(!IO) :-
list.foldl(do_cast_from_int8_test, int8s, !IO),
io.nl(!IO),
list.foldl(do_cast_to_int8_test, int32s, !IO).
:- pred do_cast_from_int8_test(int8::in, io::di, io::uo) is det.
do_cast_from_int8_test(I8, !IO) :-
io.format("cast_from_int8(%di8) = %di8\n",
[i8(I8), i32(cast_from_int8(I8))], !IO).
:- pred do_cast_to_int8_test(int32::in, io::di, io::uo) is det.
do_cast_to_int8_test(I32, !IO) :-
io.format("cast_to_int8(%di32) = %di8\n",
[i32(I32), i8(cast_to_int8(I32))], !IO).
:- func int8s = list(int8).
int8s = [
-128i8,
-64i8,
-32i8
-16i8
-8i8,
-1i8,
0i8,
1i8,
7i8,
8i8,
15i8,
16i8,
31i8,
32i8,
63i8,
64i8,
127i8
].
:- func int32s = list(int32).
int32s = [
-128i32,
-64i32,
-32i32,
-16i32,
-8i32,
-1i32,
0i32,
1i32,
7i32,
8i32,
15i32,
16i32,
31i32,
32i32,
63i32,
64i32,
127i32
].
%---------------------------------------------------------------------------%
:- end_module int32_int8_casts.
%---------------------------------------------------------------------------%