public void Identity()
{
var matrix = Matrix.Identity;
Assert.AreEqual(1.0f, matrix.R1C1);
Assert.AreEqual(0.0f, matrix.R1C2);
Assert.AreEqual(0.0f, matrix.R1C3);
Assert.AreEqual(0.0f, matrix.R1C4);
Assert.AreEqual(0.0f, matrix.R2C1);
Assert.AreEqual(1.0f, matrix.R2C2);
Assert.AreEqual(0.0f, matrix.R2C3);
Assert.AreEqual(0.0f, matrix.R2C4);
Assert.AreEqual(0.0f, matrix.R3C1);
Assert.AreEqual(0.0f, matrix.R3C2);
Assert.AreEqual(1.0f, matrix.R3C3);
Assert.AreEqual(0.0f, matrix.R3C4);
Assert.AreEqual(0.0f, matrix.R4C1);
Assert.AreEqual(0.0f, matrix.R4C2);
Assert.AreEqual(0.0f, matrix.R4C3);
Assert.AreEqual(1.0f, matrix.R4C4);
}