#include <grass/gis.h>
Go to the source code of this file.
Defines | |
#define | PI M_PI |
#define | Radians(x) ((x) * PI/180.0) |
#define | Degrees(x) ((x) * 180.0/PI) |
#define Degrees | ( | x | ) | ((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 | ) | ((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().