mirror of
https://github.com/Mercury-Language/mercury.git
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6330b51b61
library/uint.m:
Add (//)/2, (/)/2 and rem/2 for uints.
Add mod/2 and div/2 as synonyms for the above.
tests/hard_coded/uint_arith.m
Enable the division tests.
tests/hard_coded/uint_bitwise.exp*:
Update the expected outputs.
86 lines
2.4 KiB
Mathematica
86 lines
2.4 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ft=mercury ts=4 sw=4 et wm=0 tw=0
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%---------------------------------------------------------------------------%
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% Test basic arithmetic operations for unsigned unsigned integers.
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:- module uint_arith.
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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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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module exception.
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:- import_module list.
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:- import_module string.
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:- import_module uint.
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%---------------------------------------------------------------------------%
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main(!IO) :-
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run_binop_test((func(X, Y) = X + Y), "+", !IO),
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io.nl(!IO),
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run_binop_test((func(X, Y) = X - Y), "-", !IO),
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io.nl(!IO),
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run_binop_test((func(X, Y) = X * Y), "*", !IO),
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io.nl(!IO),
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run_binop_test(uint.(/), "/", !IO),
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io.nl(!IO),
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run_binop_test(uint.(rem), "rem", !IO).
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:- pred run_binop_test((func(uint, uint) = uint)::in, string::in,
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io::di, io::uo) is cc_multi.
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run_binop_test(BinOpFunc, Desc, !IO) :-
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io.format("*** Test binary operation '%s' ***\n\n", [s(Desc)], !IO),
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As = numbers,
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Bs = numbers,
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list.foldl(run_binop_test_2(BinOpFunc, Desc, Bs), As, !IO).
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:- pred run_binop_test_2((func(uint, uint) = uint)::in, string::in,
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list(uint)::in, uint::in, io::di, io::uo) is cc_multi.
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run_binop_test_2(BinOpFunc, Desc, Bs, A, !IO) :-
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list.foldl(run_binop_test_3(BinOpFunc, Desc, A), Bs, !IO).
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:- pred run_binop_test_3((func(uint, uint) = uint)::in, string::in,
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uint::in, uint::in, io::di, io::uo) is cc_multi.
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run_binop_test_3(BinOpFunc, Desc, A, B, !IO) :-
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( try []
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Result0 = BinOpFunc(A, B)
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then
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ResultStr = to_string(Result0)
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catch_any _ ->
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ResultStr = "<<exception>>"
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),
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io.format("%s %s %s = %s\n",
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[s(to_string(A)), s(Desc), s(to_string(B)), s(ResultStr)], !IO).
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:- func numbers = list(uint).
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numbers = [
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0u,
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1u,
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2u,
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8u,
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10u,
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16u,
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32u,
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uint.max_uint
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].
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:- func to_string(uint) = string.
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to_string(U) = uint_to_string(U) ++ "u".
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%---------------------------------------------------------------------------%
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:- end_module uint_arith.
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%---------------------------------------------------------------------------%
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