summaryrefslogtreecommitdiff
path: root/geoid.c
diff options
context:
space:
mode:
authorEric S. Raymond <esr@thyrsus.com>2005-06-08 03:43:56 +0000
committerEric S. Raymond <esr@thyrsus.com>2005-06-08 03:43:56 +0000
commit421ddae2cfe5418fbb0c58304f8f3204f0c9b9f5 (patch)
tree8b34a4cc262915dbc9ca50681f92b129b980ae10 /geoid.c
parentcec96db6986eeb894e43dd01a6e1a26cef3ad706 (diff)
downloadgpsd-421ddae2cfe5418fbb0c58304f8f3204f0c9b9f5.tar.gz
Zero splint warnings!
Diffstat (limited to 'geoid.c')
-rw-r--r--geoid.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/geoid.c b/geoid.c
index e8233db4..8e575361 100644
--- a/geoid.c
+++ b/geoid.c
@@ -72,7 +72,7 @@ double wgs84_separation(double lat, double lon)
}
-void ecef_to_wgs84fix(struct gps_fix_t *fix,
+void ecef_to_wgs84fix(struct gps_data_t *gpsdata,
double x, double y, double z,
double vx, double vy, double vz)
/* fill in WGS84 position/velocity fields from ECEF coordinates */
@@ -92,20 +92,20 @@ void ecef_to_wgs84fix(struct gps_fix_t *fix,
phi = atan2(z + e_2*b*pow(sin(theta),3),p - e2*a*pow(cos(theta),3));
n = a / sqrt(1.0 - e2*pow(sin(phi),2));
h = p / cos(phi) - n;
- fix->latitude = phi * RAD_2_DEG;
- fix->longitude = lambda * RAD_2_DEG;
- fix->separation = wgs84_separation(fix->latitude, fix->longitude);
- fix->altitude = h - fix->separation;
+ gpsdata->fix.latitude = phi * RAD_2_DEG;
+ gpsdata->fix.longitude = lambda * RAD_2_DEG;
+ gpsdata->separation = wgs84_separation(gpsdata->fix.latitude, gpsdata->fix.longitude);
+ gpsdata->fix.altitude = h - gpsdata->separation;
/* velocity computation */
vnorth = -vx*sin(phi)*cos(lambda)-vy*sin(phi)*sin(lambda)+vz*cos(phi);
veast = -vx*sin(lambda)+vy*cos(lambda);
- fix->climb = vx*cos(phi)*cos(lambda)+vy*cos(phi)*sin(lambda)+vz*sin(phi);
- fix->speed = sqrt(pow(vnorth,2) + pow(veast,2));
+ gpsdata->fix.climb = vx*cos(phi)*cos(lambda)+vy*cos(phi)*sin(lambda)+vz*sin(phi);
+ gpsdata->fix.speed = sqrt(pow(vnorth,2) + pow(veast,2));
heading = atan2(veast,vnorth);
/*@ +evalorder @*/
if (heading < 0)
heading += 2 * PI;
- fix->track = heading * RAD_2_DEG;
+ gpsdata->fix.track = heading * RAD_2_DEG;
}
#ifdef TESTMAIN