| # | Line 446 | Line 446 | main(int argc, char *argv[]) | |
|---|---|---|
| 446 | goto userr; | |
| 447 | } | |
| 448 | if (single_plane_incident >= 0) { /* function-based BSDF? */ | |
| 449 | < | if (i != argc-1 || fundefined(argv[i]) != 6) { |
| 449 | > | if (i != argc-1 || fundefined(argv[i]) < 3) { |
| 450 | fprintf(stderr, | |
| 451 | "%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", | |
| 452 | progname); | |
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