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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
pub function min::<T: type> (
a: input T,
b: input T,
) -> T {
if a <= b {
return a;
} else {
return b;
}
}
pub function max::<T: type> (
a: input T,
b: input T,
) -> T {
if a >= b {
return a;
} else {
return b;
}
}
#[test(test_min_max)]
module test_min_max {
inst u_clock: $tb::clock_gen;
type T = logic<2>;
var a: T;
var b: T;
var c: T;
var d: T;
always_comb {
c = min::<T>(a, b);
d = max::<T>(a, b);
}
initial {
a = 0;
b = 0;
u_clock.next();
$assert (c == 0);
$assert (d == 0);
a = 0;
b = 1;
u_clock.next();
$assert (c == 0);
$assert (d == 1);
a = 1;
b = 0;
u_clock.next();
$assert (c == 0);
$assert (d == 1);
a = 1;
b = 1;
u_clock.next();
$assert (c == 1);
$assert (d == 1);
a = 1;
b = 2;
u_clock.next();
$assert (c == 1);
$assert (d == 2);
a = 2;
b = 1;
u_clock.next();
$assert (c == 1);
$assert (d == 2);
a = 2;
b = 2;
u_clock.next();
$assert (c == 2);
$assert (d == 2);
a = 2;
b = 3;
u_clock.next();
$assert (c == 2);
$assert (d == 3);
a = 3;
b = 2;
u_clock.next();
$assert (c == 2);
$assert (d == 3);
a = 3;
b = 3;
u_clock.next();
$assert (c == 3);
$assert (d == 3);
$finish();
}
}