#define NORM_ANGLE( x ) while( x >180.0 ) x -= 360.0; while( x < -180.0 ) x += 360.0;
-// Convert degree to radian
-
-#define DEG_TO_RAD( x ) ( (x) * 2.0 * PI / 360.0 )
-
-// and reverse
-
-#define RAD_TO_DEG( x ) ( (x) * 360.0 / ( 2.0 * PI ) )
-
// Convert double x to unsigned char/short c