| # | Line 227 | Line 227 | double coef; | |
|---|---|---|
| 227 | else | |
| 228 | backmat = foremat; | |
| 229 | /* check */ | |
| 230 | < | if (backmat != foremat) |
| 230 | > | if ((backmat==0) != (foremat==0)) |
| 231 | objerror(r->ro, USER, "mixing material with non-material"); | |
| 232 | /* sum perturbations */ | |
| 233 | for (i = 0; i < 3; i++) | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |