#endif
}
+#include <math.h>
+
+int
+ao_aprs_encode_altitude_expensive(int meters)
+{
+ double feet = meters / 0.3048;
+
+ double encode = log(feet) / log(1.002);
+ return floor(encode + 0.5);
+}
+
// This is where we go after reset.
int main(int argc, char **argv)
{
+ int e, x;
+ int a;
+
+ for (a = 1; a < 100000; a++) {
+ e = ao_aprs_encode_altitude(a);
+ x = ao_aprs_encode_altitude_expensive(a);
+
+ if (e != x) {
+ double back_feet, back_meters;
+ back_feet = pow(1.002, e);
+ back_meters = back_feet * 0.3048;
+ fprintf (stderr, "APRS altitude encoding failure: altitude %d actual %d expected %d actual meters %f\n",
+ a, e, x, back_meters);
+ }
+ }
+
audio_gap(1);
ao_gps_data.latitude = (45.0 + 28.25 / 60.0) * 10000000;