public void Vector4DistanceSquaredTest() { var a = new Vector4(3.0f, 4.0f, 2.0f, 1.5f); var b = new Vector4(6.0f, 8.0f, 4.0f, 2.5f); var expectedResult = 30.0f; var r = a.DistanceSquared(b); Assert.Equal<float>(expectedResult, r); }