Add 1+, 1- and -1+, and improve abs in cptypes
#385
| Job | Run time |
|---|---|
| 29m 30s | |
| 15m 21s | |
| 24m 59s | |
| 8m 56s | |
| 11m 2s | |
| 12m 33s | |
| 15m 56s | |
| 9m 0s | |
| 12m 2s | |
| 8m 4s | |
| 11m 47s | |
| 14m 32s | |
| 11m 57s | |
| 14m 48s | |
| 13m 5s | |
| 57m 23s | |
| 4h 30m 55s |