math.big: fix a + b
and a - b
, when the signs are different, add more test cases
#1929
Job | Run time |
---|---|
50s | |
3m 26s | |
1m 59s | |
2m 32s | |
2m 37s | |
1m 16s | |
3m 14s | |
2m 39s | |
18m 33s |