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ecb5e4a9e6
tests/declarative_debugger/*.m:
tests/exceptions/*.m:
tests/general/*.m:
tests/grade_subdirs/*.m:
tests/purity/*.m:
tests/submodules/*.m:
tests/typeclasses/*.m:
Update programming style.
tests/declarative_debugger/*.inp:
Update line numbers in breakpoint commands.
tests/declarative_debugger/*.exp:
Update expected line numbers.
tests/exceptions/Mercury.options:
tests/general/Mercury.options:
Disable some warnings that are irrelevant to the test.
65 lines
1.4 KiB
Mathematica
65 lines
1.4 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% tests/general/do_while.m:
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% A test case for solutions.do_while/4.
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%
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% Adapted from tests/general/nondet_ite.m.
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:- module do_while.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is cc_multi.
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:- implementation.
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:- import_module bool.
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:- import_module int.
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:- import_module list.
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:- import_module solutions.
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main(!IO) :-
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do_while(r(100), write_answer("foo"), !IO),
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do_while(r(100), collect_answer(201), [], L),
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io.print_line(L, !IO),
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do_while(r(100), collect_answer(555), [], L2),
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io.print_line(L2, !IO).
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:- pred write_answer(string::in, int::in, bool::out,
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io::di, io::uo) is det.
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write_answer(S, R, More, !IO) :-
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io.print_line(S, !IO),
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io.print_line(R, !IO),
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More = (if R = 200 then no else yes).
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:- pred collect_answer(int::in, int::in, bool::out,
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list(int)::in, list(int)::out) is det.
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collect_answer(Limit, R, More, Rs0, [R | Rs0]) :-
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More = (if R = Limit then no else yes).
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:- pred r(int::in, int::out) is nondet.
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r(Mult, Z) :-
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q(X, Y),
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Z = X * Mult + Y.
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:- pred q(int::out, int::out) is nondet.
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q(X, Y) :-
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p(X),
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( if some [Y1] p(Y1) then
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Y = Y1
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else
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Y = 42
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).
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:- pred p(int::out) is nondet.
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p(0).
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p(1).
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p(2).
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