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Report the previous vertex added to the polygon or polyline.
static void
Internal version of Add, p = [s, t] + y
static void
The exact difference of two angles reduced to [−180°, 180°].
static void
GeoMath.norm(Pair p,
double sinx,
double cosx)
Normalize a sine cosine pair.
static void
Evaluate the sine and cosine function with the argument in degrees
static void
Evaluate the sine and cosine function with reduced argument plus correction
static void
GeoMath.sum(Pair p,
double u,
double v)
The error-free sum of two numbers.