Unify use of an atol when comparing to zero
#3190
| Job | Run time |
|---|---|
| 35m 23s | |
| 29m 51s | |
| 7m 50s | |
| 35m 23s | |
| 26m 46s | |
| 8m 27s | |
| 35m 0s | |
| 28m 3s | |
| 9m 54s | |
| 4m 58s | |
| 11m 50s | |
| 13m 10s | |
| 32m 2s | |
| 24m 22s | |
| 9m 30s | |
| 35m 6s | |
| 30m 11s | |
| 10m 6s | |
| 6h 27m 52s |