diff options
Diffstat (limited to 'contrib/lla2ecef.c')
| -rw-r--r-- | contrib/lla2ecef.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/contrib/lla2ecef.c b/contrib/lla2ecef.c index 4ec12122..56c68184 100644 --- a/contrib/lla2ecef.c +++ b/contrib/lla2ecef.c @@ -3,21 +3,22 @@ */ #include <sys/types.h> #include <stdio.h> +#include <string.h> #include <stdlib.h> #include <math.h> extern char *__progname; double A = 6378137.0, B = 6356752.3142; -double rad2deg(double r){ +static double rad2deg(double r){ return (180.0 * r / M_PI); } -double deg2rad(double r){ +static double deg2rad(double r){ return (M_PI * r / 180.0); } -void lla2ecef(double *lla, double *ecef){ +static void lla2ecef(double *lla, double *ecef){ double N; lla[0] = deg2rad(lla[0]); @@ -35,7 +36,7 @@ void lla2ecef(double *lla, double *ecef){ return; } -void ecef2lla(double *ecef, double *lla){ +static void ecef2lla(double *ecef, double *lla){ double E, F, N, P, T; E = (pow(A,2) - pow(B,2)) / pow(A,2); |