public void CreateScale()
{
Matrix22F i = Matrix22F.CreateScale(1.0f);
Assert.AreEqual(Matrix22F.Identity, i);
Vector2F v = Vector2F.One;
Matrix22F m = Matrix22F.CreateScale(2.0f);
Assert.AreEqual(2 * v, m * v);
m = Matrix22F.CreateScale(-1.0f, 1.5f);
Assert.AreEqual(new Vector2F(-1.0f, 1.5f), m * v);
Vector2F scale = new Vector2F(-2.0f, -3.0f);
m = Matrix22F.CreateScale(scale);
v = new Vector2F(1.0f, 2.0f);
Assert.AreEqual(v * scale, m * v);
}