1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
use work.test_pkg.all;
entity test2 is
port (
eq : out boolean;
neq : out boolean;
lt : out boolean;
lte : out boolean;
gt : out boolean;
gte : out boolean
);
end entity;
architecture a of test2 is
function is_eq (l, r : number_t) return boolean is
begin
return l = r;
end is_eq;
function is_ne (l, r : number_t) return boolean is
begin
return l /= r;
end is_ne;
function is_lt (l, r : number_t) return boolean is
begin
return l < r;
end is_lt;
function is_le (l, r : number_t) return boolean is
begin
return l <= r;
end is_le;
function is_gt (l, r : number_t) return boolean is
begin
return l > r;
end is_gt;
function is_ge (l, r : number_t) return boolean is
begin
return l >= r;
end is_ge;
constant x : number_t := ONE;
constant y : number_t := THREE;
begin
eq <= is_eq (x, y);
neq <= is_ne (x, y);
lt <= is_lt (x, y);
lte <= is_le (x, y);
gt <= is_gt (x, y);
gte <= is_ge (x, y);
end architecture;
|
