public void TestZeroVectorModulus()
{
var v = new Vector<string, int>();
var m = v.Modulus();
m.ShouldEqual(0.0);
}
public void TestIntModulus()
{
var v = new Vector<string, int> { { "x", 3 }, { "y", 4 } };
var d = v.Modulus();
d.ShouldEqual(5.0);
}