code: public Coordinate wgs84ToEnu( Coordinate cLL ) {
          checkZ(cLL);
          Coordinate cEcef = wgs84ToEcef(cLL);
          Coordinate enu = ecefToEnu(cEcef);
          return enu;
      }
docs: Converts the wgs84 coordinate to ENU.
  
  @param cLL the wgs84 coordinate.
  @return the ENU coordinate.
  @throws MatrixException