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root/radiance/ray/src/gen/gendaymtx.c
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Comparing ray/src/gen/gendaymtx.c (file contents):
Revision 2.20 by greg, Sat Aug 1 23:27:04 2015 UTC vs.
Revision 2.21 by greg, Wed Sep 2 22:52:04 2015 UTC

# Line 395 | Line 395 | main(int argc, char *argv[])
395                  case '5':                       /* 5-phase calculation */
396                          nsuns = 1;
397                          fixed_sun_sa = PI/360.*atof(argv[++i]);
398 +                        if (fixed_sun_sa <= 0) {
399 +                                fprintf(stderr, "%s: missing solar disk size argument for '-5' option\n",
400 +                                                argv[0]);
401 +                                exit(1);
402 +                        }
403                          fixed_sun_sa *= fixed_sun_sa*PI;
404                          break;
405                  default:

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