fix division by zero error in linear presolve #4547
| Job | Run time |
|---|---|
| 43s | |
| 8s | |
| 23m 8s | |
| 22m 36s | |
| 17m 50s | |
| 17m 37s | |
| 17m 22s | |
| 17m 56s | |
| 25m 43s | |
| 24m 47s | |
| 16m 59s | |
| 14m 24s | |
| 46m 10s | |
| 42m 59s | |
| 45m 56s | |
| 45m 59s | |
| 35m 59s | |
| 19m 46s | |
| 9m 20s | |
| 33m 28s | |
| 20m 39s | |
| 28m 10s | |
| 3m 28s | |
| 21m 34s | |
| 46m 17s | |
| 1m 32s | |
| 1m 34s | |
| 1m 45s | |
| 10h 3m 49s |