HCoordinate.from4c constructor
HCoordinate.from4c(
- Coordinate p1,
- Coordinate p2,
- Coordinate q1,
- Coordinate q2,
Implementation
HCoordinate.from4c(
Coordinate p1, Coordinate p2, Coordinate q1, Coordinate q2) {
// unrolled computation
double px = p1.y - p2.y;
double py = p2.x - p1.x;
double pw = p1.x * p2.y - p2.x * p1.y;
double qx = q1.y - q2.y;
double qy = q2.x - q1.x;
double qw = q1.x * q2.y - q2.x * q1.y;
x = py * qw - qy * pw;
y = qx * pw - px * qw;
w = px * qy - qx * py;
}