| # | Line 40 | Line 40 | typedef RREAL FVECT[3]; | |
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| 40 | #define GEOD_ABS 1 /* absolute geodesic distance */ | |
| 41 | #define GEOD_REL 2 /* relative geodesic distance */ | |
| 42 | ||
| 43 | + | extern double Acos(double x); |
| 44 | + | extern double Asin(double x); |
| 45 | extern double fdot(const FVECT v1, const FVECT v2); | |
| 46 | extern double dist2(const FVECT v1, const FVECT v2); | |
| 47 | extern double dist2line(const FVECT p, const FVECT ep1, const FVECT ep2); | |
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