Add 1+, 1- and -1+, and improve abs in cptypes
#384
| Job | Run time |
|---|---|
| 30m 3s | |
| 16m 28s | |
| 22m 4s | |
| 8m 43s | |
| 13m 4s | |
| 12m 34s | |
| 16m 24s | |
| 9m 6s | |
| 12m 12s | |
| 2m 37s | |
| 10m 40s | |
| 14m 49s | |
| 11m 50s | |
| 15m 18s | |
| 13m 27s | |
| 57m 51s | |
| 4h 27m 10s |