# | Line 20 | Line 20 | register RAY *r; | |
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20 | double root[2]; /* quadratic roots */ | |
21 | int nroots; | |
22 | double t; | |
23 | < | register FLOAT *ap; |
23 | > | register RREAL *ap; |
24 | register int i; | |
25 | ||
26 | if (so->oargs.nfargs != 4) |
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