Add support for rand's Uniform distribution to all Vec types
#1481
| Job | Run time |
|---|---|
| 2m 27s | |
| 1m 49s | |
| 3m 16s | |
| 1m 44s | |
| 43s | |
| 3m 21s | |
| 2m 25s | |
| 1m 5s | |
| 5m 35s | |
| 3m 9s | |
| 1m 41s | |
| 3m 8s | |
| 2m 47s | |
| 3m 33s | |
| 6m 43s | |
| 5m 34s | |
| 5m 28s | |
| 54m 28s |