geodesic.h

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#ifndef lint
/*static char GEODESIC_H_ID[] = "@(#)geodesic.h 4.3     95/08/19        GIE     REL"; */
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef _IN_GEOD_SET
#  define GEOD_EXTERN extern
#else
#  define GEOD_EXTERN
#endif
 
GEOD_EXTERN struct geodesic {
        double  A;
        double  LAM1, PHI1, ALPHA12;
        double  LAM2, PHI2, ALPHA21;
        double  DIST;
        double  ONEF, FLAT, FLAT2, FLAT4, FLAT64;
        int     ELLIPSE;
} GEODESIC;
 
# define geod_a GEODESIC.A
# define lam1   GEODESIC.LAM1
# define phi1   GEODESIC.PHI1
# define al12   GEODESIC.ALPHA12
# define lam2   GEODESIC.LAM2
# define phi2   GEODESIC.PHI2
# define al21   GEODESIC.ALPHA21
# define geod_S GEODESIC.DIST
# define geod_f GEODESIC.FLAT
# define onef   GEODESIC.ONEF
# define f2     GEODESIC.FLAT2
# define f4     GEODESIC.FLAT4
# define ff2    GEODESIC.FLAT4
# define f64    GEODESIC.FLAT64
# define ellipse GEODESIC.ELLIPSE
 
 
GEOD_EXTERN int n_alpha, n_S;
GEOD_EXTERN double to_meter, fr_meter, del_alpha;
 
void geod_set(int, char **);
void geod_for(void);
void geod_pre(void);
void geod_inv(void);
 
#ifdef __cplusplus
}
#endif