| # | Line 12 | Line 12 | static const char RCSid[] = "$Id$"; | |
|---|---|---|
| 12 | #include "rtotypes.h" | |
| 13 | ||
| 14 | ||
| 15 | < | extern int |
| 15 | > | int |
| 16 | o_sphere( /* compute intersection with sphere */ | |
| 17 | OBJREC *so, | |
| 18 | < | register RAY *r |
| 18 | > | RAY *r |
| 19 | ) | |
| 20 | { | |
| 21 | double a, b, c; /* coefficients for quadratic equation */ | |
| 22 | double root[2]; /* quadratic roots */ | |
| 23 | int nroots; | |
| 24 | double t; | |
| 25 | < | register RREAL *ap; |
| 26 | < | register int i; |
| 25 | > | RREAL *ap; |
| 26 | > | int i; |
| 27 | ||
| 28 | if (so->oargs.nfargs != 4) | |
| 29 | objerror(so, USER, "bad # arguments"); | |
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