mirror of
https://github.com/Mercury-Language/mercury.git
synced 2026-04-17 02:13:54 +00:00
50 lines
1.3 KiB
Mathematica
50 lines
1.3 KiB
Mathematica
%---------------------------------------------------------------------------%
|
|
% vim: ts=4 sw=4 sts=4 et ft=mercury
|
|
%---------------------------------------------------------------------------%
|
|
|
|
:- module random2.
|
|
:- interface.
|
|
:- import_module io.
|
|
|
|
:- pred main(io::di, io::uo) is det.
|
|
|
|
:- implementation.
|
|
|
|
:- import_module int.
|
|
:- import_module list.
|
|
:- import_module random.
|
|
:- import_module random.sfc16.
|
|
:- import_module random.sfc32.
|
|
:- import_module random.sfc64.
|
|
:- import_module string.
|
|
:- import_module uint64.
|
|
|
|
main(!IO) :-
|
|
io.write_string("sfc16:\n", !IO),
|
|
Rsfc16 = sfc16.init,
|
|
test(20, Rsfc16, _, !IO),
|
|
|
|
io.write_string("\nsfc32:\n", !IO),
|
|
sfc32.init(Psfc32, Ssfc32),
|
|
Rsfc32 = make_shared_random(Psfc32, Ssfc32),
|
|
test(20, Rsfc32, _, !IO),
|
|
|
|
io.write_string("\nsfc64:\n", !IO),
|
|
sfc64.init(Psfc64, Ssfc64),
|
|
Rsfc64 = make_shared_random(Psfc64, Ssfc64),
|
|
test(20, Rsfc64, _, !IO).
|
|
|
|
:- pred test(int::in, R::in, R::out, io::di, io::uo) is det <= random(R).
|
|
|
|
test(Count, !R, !IO) :-
|
|
( if Count > 0 then
|
|
random.generate_uint64(N, !R),
|
|
A = cast_to_int(N >> 32),
|
|
B = cast_to_int(N /\ 0xffffffffu64),
|
|
io.format("%08x%08x\n", [i(A), i(B)], !IO),
|
|
test(Count - 1, !R, !IO)
|
|
else
|
|
true
|
|
).
|
|
|