[BUG] fix Mixture distribution for more than two components (#337)
#1448
| Job | Run time |
|---|---|
| 10s | |
| 1m 33s | |
| 1m 34s | |
| 1m 5s | |
| 3m 52s | |
| 3m 6s | |
| 1s | |
| 1s | |
| 1m 43s | |
| 3m 27s | |
| 1m 26s | |
| 1s | |
| 3m 7s | |
| 1m 38s | |
| 1s | |
| 3m 6s | |
| 1m 10s | |
| 1s | |
| 2m 19s | |
| 1m 26s | |
| 1s | |
| 3m 8s | |
| 1m 15s | |
| 1s | |
| 1m 46s | |
| 3m 29s | |
| 2m 56s | |
| 1s | |
| 1s | |
| 1m 30s | |
| 3m 21s | |
| 1s | |
| 48m 17s |