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geometry.h
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geometry.h
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/* Copyright 2013 Bliksem Labs. See the LICENSE file at the top-level directory of this distribution and at https://github.com/bliksemlabs/rrrr/. */
/* geometry.h */
#ifndef _GEOMETRY_H
#define _GEOMETRY_H
#include <stdint.h>
typedef struct latlon latlon_t;
struct latlon {
float lat;
float lon;
};
typedef struct coord coord_t;
struct coord {
int32_t x;
int32_t y;
};
void coord_from_latlon (coord_t*, latlon_t*);
void coord_from_lat_lon (coord_t*, double lat, double lon);
void coord_from_meters (coord_t*, double meters_x, double meters_y);
double coord_distance_meters (coord_t*, coord_t*);
void latlon_dump (latlon_t*);
void latlon_from_coord (latlon_t*, coord_t*);
void coord_dump (coord_t*);
#endif // _GEOMETRY_H