public void ClampToZero()
{
MatrixD m = new MatrixD(5, 6, 0.0000000000001);
m.ClampToZero();
Assert.AreEqual(new MatrixD(5, 6), m);
m = new MatrixD(5, 6, 0.1);
m.ClampToZero();
Assert.AreEqual(new MatrixD(5, 6, 0.1), m);
m = new MatrixD(5, 6, 0.001);
m.ClampToZero(0.01);
Assert.AreEqual(new MatrixD(5, 6), m);
m = new MatrixD(5, 6, 0.1);
m.ClampToZero(0.01);
Assert.AreEqual(new MatrixD(5, 6, 0.1), m);
}