pi.h File Reference

#include <grass/gis.h>

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Defines

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


Define Documentation

#define Degrees (  )     ((x) * 180.0/PI)

Definition at line 4 of file pi.h.

Referenced by G_geodesic_lat_from_lon(), and G_rhumbline_lat_from_lon().

#define PI   M_PI

Definition at line 2 of file pi.h.

Referenced by G_begin_ellipsoid_polygon_area(), G_begin_rhumbline_equation(), G_begin_zone_area_on_ellipsoid(), G_begin_zone_area_on_sphere(), G_ellipsoid_polygon_area(), G_geodesic_distance_lon_to_lon(), and G_rhumbline_lat_from_lon().

#define Radians (  )     ((x) * PI/180.0)

Definition at line 3 of file pi.h.

Referenced by G_begin_geodesic_equation(), G_begin_rhumbline_equation(), G_darea0_on_ellipsoid(), G_darea0_on_sphere(), G_ellipsoid_polygon_area(), G_geodesic_distance_lon_to_lon(), G_geodesic_lat_from_lon(), G_meridional_radius_of_curvature(), G_radius_of_conformal_tangent_sphere(), G_rhumbline_lat_from_lon(), G_set_geodesic_distance_lat1(), G_set_geodesic_distance_lat2(), and G_transverse_radius_of_curvature().


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