Add 1+, 1- and -1+, and improve abs in cptypes
#389
| Job | Run time |
|---|---|
| 29m 36s | |
| 17m 40s | |
| 22m 17s | |
| 8m 21s | |
| 12m 8s | |
| 13m 7s | |
| 15m 51s | |
| 10m 2s | |
| 13m 13s | |
| 8m 40s | |
| 11m 41s | |
| 15m 33s | |
| 12m 48s | |
| 16m 29s | |
| 14m 0s | |
| 58m 22s | |
| 4h 39m 48s |