/**
* Computes dot product.
*
* @param u
* @param v
* @return
*/
double Vector4::DotProduct(Vector4 &u, Vector4 &v){
u.Homogenize();
v.Homogenize();
double product = 0.0;
double a1 = u.getX();
double a2 = u.getY();
double a3 = u.getZ();
double b1 = v.getX();
double b2 = v.getY();
double b3 = v.getZ();
product = a1*b1 + a2*b2 + a3*b3;
return product;
}
/**
* Computes dot product.
*
* @param u
* @param v
* @return
*/
float Vector4::DotProduct(Vector4 &u, Vector4 &v){
u.Homogenize();
v.Homogenize();
float product = 0.0;
float a1 = u.getX();
float a2 = u.getY();
float a3 = u.getZ();
float b1 = v.getX();
float b2 = v.getY();
float b3 = v.getZ();
product = a1*b1 + a2*b2 + a3*b3;
return product;
}