/*
      Geodesic Forward and Reverse calculation functions
      Abstracted and adapted from PROJ-4.5.0 by David S.Register (bdbcat@yahoo.com)

      Original source code contains the following license:

      Copyright (c) 2000, Frank Warmerdam

 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
 to deal in the Software without restriction, including without limitation
 the rights to use, copy, modify, merge, publish, distribute, sublicense,
 and/or sell copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included
 in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 DEALINGS IN THE SOFTWARE.
*/

extern "C" void ll_gc_ll(double lat, double lon, double crs, double dist, double *dlat, double *dlon);
extern "C" void ll_gc_ll_reverse(double lat1, double lon1, double lat2, double lon2,
                                double *bearing, double *dist);
