Files
mercury/tests/hard_coded/int32_int16_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

98 lines
2.0 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ft=mercury ts=4 sw=4 et
%---------------------------------------------------------------------------%
%
% Test casting int32s to/from int16s.
%
%---------------------------------------------------------------------------%
:- module int32_int16_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 int16.
%---------------------------------------------------------------------------%
main(!IO) :-
list.foldl(do_cast_from_int16_test, int16s, !IO),
io.nl(!IO),
list.foldl(do_cast_to_int16_test, int32s, !IO).
:- pred do_cast_from_int16_test(int16::in, io::di, io::uo) is det.
do_cast_from_int16_test(I16, !IO) :-
io.format("cast_from_int16(%di16) = %di16\n",
[i16(I16), i32(cast_from_int16(I16))], !IO).
:- pred do_cast_to_int16_test(int32::in, io::di, io::uo) is det.
do_cast_to_int16_test(I32, !IO) :-
io.format("cast_to_int16(%di32) = %di16\n",
[i32(I32), i16(cast_to_int16(I32))], !IO).
:- func int16s = list(int16).
int16s = [
-32768i16,
-128i16,
-64i16,
-32i16
-16i16
-8i16,
-1i16,
0i16,
1i16,
7i16,
8i16,
15i16,
16i16,
31i16,
32i16,
63i16,
64i16,
127i16,
128i16,
32767i16
].
:- func int32s = list(int32).
int32s = [
-32768i32
-128i32,
-64i32,
-32i32,
-16i32,
-8i32,
-1i32,
0i32,
1i32,
7i32,
8i32,
15i32,
16i32,
31i32,
32i32,
63i32,
64i32,
127i32,
128i32,
32767i32
].
%---------------------------------------------------------------------------%
:- end_module int32_int16_casts.
%---------------------------------------------------------------------------%