Initial revision

Lib/Math/geotest.c

@@ -0,0 +1,30 @@
+#include <Include/fg_constants.h>
+#include <Math/fg_geodesy.h>
+
+#include <stdio.h>
+
+void
+main( void )
+{
+    double Lon, Alt, sl_radius;
+    double geodetic_Lat;
+    double geocentric_Lat;
+
+    Lon          = -87.75 * DEG_TO_RAD;
+    geodetic_Lat =  41.83 * DEG_TO_RAD;
+    Alt          = 1.5; /* km */
+
+    printf("Geodetic position = (%.8f, %.8f, %.8f)\n", Lon, geodetic_Lat, Alt); 
+
+    fgGeodToGeoc( geodetic_Lat, Alt, &sl_radius, &geocentric_Lat );
+
+    printf("Geocentric position = (%.8f, %.8f, %.8f)\n", Lon, geocentric_Lat, 
+	   sl_radius + Alt); 
+    printf("new sl_radius = %.8f\n", sl_radius); 
+
+    fgGeocToGeod( geocentric_Lat, sl_radius + Alt, &geodetic_Lat,
+		     &Alt, &sl_radius );
+
+    printf("Geodetic position = (%.8f, %.8f, %.8f)\n", Lon, geodetic_Lat, Alt); 
+    printf("new sl_radius = %.8f\n", sl_radius); 
+}