1# test + +
2
3print(0 ^ (1 << 80))
4print((1 << 80) ^ (1 << 80))
5print((1 << 80) ^ 0)
6
7a = 0xfffffffffffffffffffffffffffff
8print(a ^ (1 << 100))
9print(a ^ (1 << 200))
10print(a ^ a == 0)
11print(bool(a ^ a))
12
13# test - +
14
15print((-1 << 80) ^ (1 << 80))
16print((-1 << 80) ^ 0)
17
18print((-a) ^ (1 << 100))
19print((-a) ^ (1 << 200))
20print((-a) ^ a == 0)
21print(bool((-a) ^ a))
22i = -1
23print(i ^ 0xffffffffffffffff) # carry overflows to higher digit
24
25# test + -
26
27print(0 ^ (-1 << 80))
28print((1 << 80) ^ (-1 << 80))
29
30print(a ^ (-1 << 100))
31print(a ^ (-1 << 200))
32print(a ^ (-a) == 0)
33print(bool(a ^ (-a)))
34
35# test - -
36
37print((-1 << 80) ^ (-1 << 80))
38
39print((-a) ^ (-1 << 100))
40print((-a) ^ (-1 << 200))
41print((-a) ^ (-a) == 0)
42print(bool((-a) ^ (-a)))
43