GRASS Programmer's Manual  6.5.svn(2014)-r66266
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pi.h File Reference
#include <grass/gis.h>
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#define Radians(x)   ((x) * M_PI/180.0)
#define Degrees(x)   ((x) * 180.0/M_PI)

Macro Definition Documentation

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

Definition at line 7 of file pi.h.

Referenced by G_geodesic_lat_from_lon(), and G_rhumbline_lat_from_lon().