Files
mercury/tests/general/arithmetic.m
Fergus Henderson bc07fec168 Add some brief comments describing what each test case tests.
tests/general/*.m:
	Add some brief comments describing what each test case tests.
1995-08-17 05:32:34 +00:00

53 lines
1.2 KiB
Mathematica

% A very basic check of integer arithmetic.
:- module arithmetic.
:- interface.
:- import_module io.
:- pred main(io__state, io__state).
:- mode main(di, uo) is det.
:- implementation.
:- import_module int, string, list.
main -->
test(3, 4).
:- pred test(int, int, io__state, io__state).
:- mode test(in, in, di, uo) is det.
test(X, Y) -->
{
Plus is X + Y,
Times is X * Y,
Minus is X - Y,
Div is X // Y,
Mod is X mod Y,
LeftShift is X << Y,
RightShift is X >> Y,
BitAnd is X /\ Y,
BitOr is X \/ Y,
BitXor is X ^ Y,
BitNeg is \ X
},
write_message("X: ", X),
write_message("Y: ", Y),
write_message("X + Y: ", Plus),
write_message("X * Y: ", Times),
write_message("X - Y: ", Minus),
write_message("X / Y: ", Div),
write_message("X mod Y: ", Mod),
write_message("X << Y: ", LeftShift),
write_message("X >> Y: ", RightShift),
write_message("X /\\ Y: ", BitAnd),
write_message("X \\/ Y: ", BitOr),
write_message("X ^ Y: ", BitXor),
write_message("\\ X: ", BitNeg).
:- pred write_message(string, int, io__state, io__state).
:- mode write_message(in, in, di, uo) is det.
write_message(String, Int) -->
io__write_string(String), io__write_int(Int), io__write_string("\n").