OEGeom2DAdd

void OEGeom2DAdd(float[] x, float[] p)
void OEGeom2DAdd(double[] x, double[] p)
void OEGeom2DAdd(float[] x, float[] p, float[] q)
void OEGeom2DAdd(double[] x, double[] p, double[] q)

Two dimensional vector addition. The first form computes \(x + =p\) and the second form computes \(x = p + q\).