/*
   POS_TO_M.H     This is temporary; these functions
   will be collected in a library when I decide which
   library it should be, and where it should be located.

*/

#ifndef pos_to_m_included
#define pos_to_m_included

double dlon_to_meters(double dlon, double lat);
double dlat_to_meters(double dlat, double lat);

double meters_to_dlon(double dmeters, double lat);
double meters_to_dlat(double dmeters, double lat);

double lon_180(double lon);


#endif /* ifndef pos_to_m_included */