void ecef_of_lla_i(struct EcefCoor_i *out, struct LlaCoor_i *in)
{

#if USE_SINGLE_PRECISION_LLA_ECEF
  /* convert our input to floating point */
  struct LlaCoor_f in_f;
  in_f.lon = RAD_OF_EM7DEG((float)in->lon);
  in_f.lat = RAD_OF_EM7DEG((float)in->lat);
  in_f.alt = M_OF_MM((float)in->alt);
  /* calls the floating point transformation */
  struct EcefCoor_f out_f;
  ecef_of_lla_f(&out_f, &in_f);
  /* convert the output to fixed point       */
  out->x = (int32_t)CM_OF_M(out_f.x);
  out->y = (int32_t)CM_OF_M(out_f.y);
  out->z = (int32_t)CM_OF_M(out_f.z);
#else // use double precision by default
  /* convert our input to floating point */
  struct LlaCoor_d in_d;
  in_d.lon = RAD_OF_EM7DEG((double)in->lon);
  in_d.lat = RAD_OF_EM7DEG((double)in->lat);
  in_d.alt = M_OF_MM((double)in->alt);
  /* calls the floating point transformation */
  struct EcefCoor_d out_d;
  ecef_of_lla_d(&out_d, &in_d);
  /* convert the output to fixed point       */
  out->x = (int32_t)CM_OF_M(out_d.x);
  out->y = (int32_t)CM_OF_M(out_d.y);
  out->z = (int32_t)CM_OF_M(out_d.z);
#endif

}
void ecef_of_lla_i(struct EcefCoor_i* out, struct LlaCoor_i* in) {

  /* convert our input to floating point */
  struct LlaCoor_d in_d;
  in_d.lon = RAD_OF_EM7RAD((double)in->lon);
  in_d.lat = RAD_OF_EM7RAD((double)in->lat);
  in_d.alt = M_OF_MM((double)in->alt);
  /* calls the floating point transformation */
  struct EcefCoor_d out_d;
  ecef_of_lla_d(&out_d, &in_d);
  /* convert the output to fixed point       */
  out->x = (int32_t)CM_OF_M(out_d.x);
  out->y = (int32_t)CM_OF_M(out_d.y);
  out->z = (int32_t)CM_OF_M(out_d.z);

}