static float functionE()
{
//Inner(P,Q) = Px*Qx + Py*Qx + Pz*Qz
_3DPoint P = new _3DPoint(1, 2, 3);
_3DPoint Q = new _3DPoint(4, 5, 6);
float part1 = P.getX() * Q.getX();
float part2 = P.getY() * Q.getY();
float part3 = P.getZ() * Q.getZ();
float y = part1 + part2 + part3;
Console.WriteLine("Inner(P,Q) = Px*Qx + Py*Qx + Pz*Qz");
Console.WriteLine("answer: " + y);
return(y);
}
static float functionF()
{
//D(P, X0) = (a*x0 + b*y0 + c*z0 + d) / squareroot(a^2 + b^2 + c^2)
_3DPoint X0 = new _3DPoint(1, 2, 3);
Plane P = new Plane(4, 5, 6, 7);
float part1 = P.getA() * X0.getX();
float part2 = P.getB() * X0.getY();
float part3 = P.getC() * X0.getZ();
float part4 = part1 + part2 + part3 + P.getD();
float part5 = Convert.ToSingle(Math.Pow(P.getA(), 2));
float part6 = Convert.ToSingle(Math.Pow(P.getB(), 2));
float part7 = Convert.ToSingle(Math.Pow(P.getC(), 2));
float part8 = part5 + part6 + part7;
float part9 = Convert.ToSingle(Math.Sqrt(part8));
float y = part4 / part9;
Console.WriteLine("D(P, X0) = (a*x0 + b*y0 + c*z0 + d) / squareroot(a^2 + b^2 + c^2)");
Console.WriteLine("answer: " + y);
return(y);
}