public static Motor operator *(Motor b, Rotor a)
{
var p1 = Detail.gp11(b.P1, a.P1);
var p2 = Detail.gp12(true, a.P1, b.P2);
return(new Motor(p1, p2));
}
public static Rotor operator *(Branch a, Branch b)
{
return(new Rotor(Detail.gp11(a.P1, b.P1)));
}