In order to avoid double counting between energy loss fluctuations ( ILOSS=2) and generation of -rays IDRAY=1, if ILOSS = 2 the default value for -ray generation is set to 0 and it cannot be changed. The different cases are summarised in the table below.
| Full fluctuations | Restricted fluctuations | No fluctuations | |
| ILOSS = 2 (D) | ILOSS = 1 or 3 | ILOSS = 4 | |
| IDRAY | 0 | 1 | 1 |
| DCUTE | 10 TeV | CUTELE | CUTELE |
| DCUTM &quad; | 10 TeV &quad; | CUTELE | CUTELE |
R.Brun, F.Bruyant