pi.h File Reference

#include <grass/gis.h>

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Macros
#define	Radians(x)   ((x) * M_PI/180.0)
#define	Degrees(x)   ((x) * 180.0/M_PI)

Macro Definition Documentation

Degrees

#define Degrees

(

x

)

((x) * 180.0/M_PI)

Definition at line 7 of file pi.h.

Referenced by G_rhumbline_lat_from_lon().

Radians

#define Radians

(

x

)

((x) * M_PI/180.0)

Definition at line 6 of file pi.h.

Referenced by G_darea0_on_ellipsoid(), G_darea0_on_sphere(), G_rhumbline_lat_from_lon(), G_set_geodesic_distance_lat1(), and G_set_geodesic_distance_lat2().