mirror of
https://github.com/Mercury-Language/mercury.git
synced 2026-04-19 19:33:46 +00:00
341b3247aa
tests/hard_coded/bulk_compare_packed.{m,exp}:
A new test case to test comparison predicates involving bulk comparison
of packed arguments.
tests/hard_coded/Mmakefile:
Enable the new test case.
114 lines
3.4 KiB
Mathematica
114 lines
3.4 KiB
Mathematica
%---------------------------------------------------------------------------%
|
|
% vim: ts=4 sw=4 et ft=mercury
|
|
%---------------------------------------------------------------------------%
|
|
%
|
|
% This test case tests the bulk comparison of sub-word-sized
|
|
% unsigned arguments, both when sub-word-sized signed arguments are absent,
|
|
% and when they are present, and the bulk unification of sub-word-sized
|
|
% arguments in general.
|
|
%
|
|
%---------------------------------------------------------------------------%
|
|
|
|
:- module bulk_compare_packed.
|
|
|
|
:- interface.
|
|
|
|
:- import_module io.
|
|
|
|
:- pred main(io ::di, io::uo) is det.
|
|
|
|
:- implementation.
|
|
|
|
:- import_module list.
|
|
:- import_module require.
|
|
|
|
:- type enum2
|
|
---> e00
|
|
; e01
|
|
; e10
|
|
; e11.
|
|
|
|
% In the tx type, the arguments of the b and c function symbols
|
|
% should all be locally packed, i.e. we should not need a memory cell.
|
|
:- type tx
|
|
---> tx_a
|
|
; tx_b(xb1 :: enum2, xb2:: enum2, xb3:: enum2)
|
|
; tx_c(xc1 :: enum2, xc2:: enum2, xc3:: int8, xc4:: enum2).
|
|
|
|
% In the ty type, the arguments of the b and c function symbols
|
|
% should all be remotely packed into the second word of a memory cell.
|
|
:- type ty
|
|
---> ty_a
|
|
; ty_b(yb1 :: int, yb2:: enum2, yb3:: enum2, yb4:: enum2)
|
|
; ty_c(yc1 :: int, yc2:: enum2, yc3:: enum2, yc4:: int8, yc5:: enum2).
|
|
|
|
main(!IO) :-
|
|
% Both these lists of terms are sorted. Therefore each block of output,
|
|
% which compares a given element of the list with all the elements of
|
|
% the list, should consist of
|
|
%
|
|
% - zero or more > results, for the earlier list elements
|
|
% - one = result, for when the element is compared with itself, and
|
|
% - zero or more < results, for the later list elements.
|
|
%
|
|
% And the position of the = result should move one position back
|
|
% in both sequences of result blocks (one sequence for TermsX,
|
|
% and one for TermsY).
|
|
|
|
TermsX = [
|
|
tx_a,
|
|
tx_b(e00, e11, e10),
|
|
tx_b(e10, e11, e01),
|
|
tx_c(e00, e11, -44i8, e10),
|
|
tx_c(e00, e11, 44i8, e10),
|
|
tx_c(e10, e11, -55i8, e01),
|
|
tx_c(e10, e11, 55i8, e01)
|
|
],
|
|
TermsY = [
|
|
ty_a,
|
|
ty_b(42, e00, e11, e10),
|
|
ty_b(42, e10, e11, e01),
|
|
ty_c(42, e00, e11, -44i8, e10),
|
|
ty_c(42, e00, e11, 44i8, e10),
|
|
ty_c(42, e10, e11, -55i8, e01),
|
|
ty_c(42, e10, e11, 55i8, e01)
|
|
],
|
|
compare_all_all(TermsX, TermsX, !IO),
|
|
compare_all_all(TermsY, TermsY, !IO).
|
|
|
|
:- pred compare_all_all(list(T)::in, list(T)::in, io::di, io::uo) is det.
|
|
|
|
compare_all_all([], _Bs, !IO).
|
|
compare_all_all([A | As], Bs, !IO) :-
|
|
io.nl(!IO),
|
|
compare_one_all(A, Bs, !IO),
|
|
compare_all_all(As, Bs, !IO).
|
|
|
|
:- pred compare_one_all(T::in, list(T)::in, io::di, io::uo) is det.
|
|
|
|
compare_one_all(_A, [], !IO).
|
|
compare_one_all(A, [B | Bs], !IO) :-
|
|
compare_one_one(A, B, !IO),
|
|
compare_one_all(A, Bs, !IO).
|
|
|
|
:- pred compare_one_one(T::in, T::in, io::di, io::uo) is det.
|
|
|
|
compare_one_one(A, B, !IO) :-
|
|
compare(R, A, B),
|
|
io.write(A, !IO),
|
|
(
|
|
R = (<),
|
|
io.write_string(" < ", !IO),
|
|
expect_not(unify(A, B), $pred, "compare lt but unify")
|
|
;
|
|
R = (=),
|
|
io.write_string(" = ", !IO),
|
|
expect(unify(A, B), $pred, "compare eq but not unify")
|
|
;
|
|
R = (>),
|
|
io.write_string(" > ", !IO),
|
|
expect_not(unify(A, B), $pred, "compare gt but unify")
|
|
),
|
|
io.write(B, !IO),
|
|
io.nl(!IO).
|