public void Inverse()
{
Matrix2x2d m = new Matrix2x2d((double)5, (double)2,
1.0, (double)3);
m = m / m;
Assert.IsTrue(Matrix2x2d.NearEqual(m, Matrix2x2d.Identity));
}
public void Mul()
{
Matrix2x2d m = new Matrix2x2d((double)2.0, (double)3.0,
-1.0, (double)2.0);
m = m * m;
Assert.IsTrue(Matrix2x2d.NearEqual(m,
new Matrix2x2d(1.0, (double)12, (double)-4, (double)1)));
}