/**
* Perpendicular bisector of two Pnts.
* Works in any dimension. The coefficients are returned as a Pnt of one
* higher dimension (e.g., (A,B,C,D) for an equation of the form
* Ax + By + Cz + D = 0).
* @param point the other point
* @return the coefficients of the perpendicular bisector
*/
public Pnt bisector(Pnt point)
{
int dim = dimCheck(point);
Pnt diff = this.subtract(point);
Pnt sum = this.add(point);
double dot = diff.dot(sum);
return(diff.extend(new double[] { -dot / 2 }));
}
