blob: 8f558bf6427480855d5f3867b0080cef35f41a55 (
plain) (
blame)
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
|
#!/usr/bin/env python3
class Serial:
def __init__(self, val):
self._val = int(val) & (2**32)
def __int__(self):
return self._val
def __add__(self, val):
return Serial(self._val + int(val))
def __eq__(self, other):
return int(self) == int(other)
def __ne__(self, other):
return int(self) != int(other)
def __lt__(self, other):
return self != other and (
(self._val < other._val and other._val - self._val < 2**31) or
(self._val > other._val and self._val - other._val > 2**31))
def __gt__(self, other):
return self != other and (
(self._val < other._val and other._val - self._val > 2**31) or
(self._val > other._val and self._val - other._val < 2**31))
if __name__ == "__main__":
from random import randint
for test in range(100):
i1 = randint(0, 2**32-1)
i2 = randint(0, 2**32-1)
print(i1, i2)
assert i1 == i2 or \
(i1 < i2 and not (i1 > i2)) or \
(i1 > i2 and not (i1 < i2)) or \
int(i1) & int(i2) == 0x80000000
|
