blob: 7e0b7a720ec8cfb632ca7f8c86eec3e080e673de (
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
|
# test [0,-0,1,-1] edge cases of bignum
long_zero = (2**64) >> 65
long_neg_zero = -long_zero
long_one = long_zero + 1
long_neg_one = -long_one
cases = [long_zero, long_neg_zero, long_one, long_neg_one]
print(cases)
print([-c for c in cases])
print([~c for c in cases])
print([c >> 1 for c in cases])
print([c << 1 for c in cases])
# comparison of 0/-0/+0
print(long_zero == 0)
print(long_neg_zero == 0)
print(long_one - 1 == 0)
print(long_neg_one + 1 == 0)
print(long_zero < 1)
print(long_zero < -1)
print(long_zero > 1)
print(long_zero > -1)
print(long_neg_zero < 1)
print(long_neg_zero < -1)
print(long_neg_zero > 1)
print(long_neg_zero > -1)
|
