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entity ent is
generic (
t1 : time := 2 sec;
t2 : time := 5 sec
);
end;
architecture a of ent is
constant t3 : time := t1 + t2;
constant diff : time := abs (t1 - t2);
constant shorter : time := minimum(t1, t2);
constant longer : time := maximum(t1, t2);
constant ratio1 : natural := t1 / t2;
constant ratio2 : natural := (t1 / 2) / (t2 * 0.5);
constant ratio3 : natural := (t1 * 2) / (t2 / 0.5);
begin
assert t3 > 6 sec;
assert t3 = 7 sec;
assert t3 < 8 sec;
assert t3 /= 1 ns;
assert t3 >= shorter;
assert shorter <= longer;
assert diff = longer - shorter;
assert -diff = +(shorter-longer);
assert ratio1 = ratio2;
assert ratio1 = ratio3;
assert t1 * 2 = 2 * t1;
assert t1 * 0.5 = 0.5 * t1;
end;
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