public void TestOperator_Negation_i ()
{
Double r = 3432;
Double s = -6218;
Double t = -3432;
Double u = 6218;
var a = new Vector2(r, s);
var b = new Vector2(u, t);
var c = new Vector2(t, u);
var d = new Vector2(s, r);
this.TestNegation(a, c);
this.TestNegation(b, d);
}