public T cross(Point <T> other)
{
return(GenericArithmetic <T> .substract(
GenericArithmetic <T> .multiply(x, other.y),
GenericArithmetic <T> .multiply(y, other.x)
));
}
public static Point <T> operator *(Point <T> a, T s)
{
return(new Point <T>(
GenericArithmetic <T> .multiply(a.x, s),
GenericArithmetic <T> .multiply(a.y, s)
));
}
public T dot(Point <T> other)
{
return(GenericArithmetic <T> .add(
GenericArithmetic <T> .multiply(x, other.x),
GenericArithmetic <T> .multiply(y, other.y)
));
}