public void PolynomialIsZeroTest()
{
Polynomial P1 = new Polynomial(3, new double[] { 0, 0, 0, 0 });
Polynomial P2 = new Polynomial(3, new double[] { 0, 0, 4, 0 });
Polynomial P3 = new Polynomial(3, new double[] { 6, 0, 0, 0 });
Assert.IsTrue(P1.isZero());
Assert.IsFalse(P2.isZero());
Assert.IsFalse(P3.isZero());
}
public void PolynomialSet2zeroTest()
{
Polynomial P1 = new Polynomial(3, new double[] { 1, 1, 2, 1 });
Assert.IsFalse(P1.isZero());
Assert.IsFalse(P1.isZero(1));
Assert.IsTrue(P1.isZero(2));
P1.set2Zero();
Assert.IsTrue(P1.isZero());
P1 = new Polynomial(3, new double[] { 1, 1, 2, 1 });
P1.set2Zero(2);
Assert.IsTrue(P1.isZero(1));
}
public void PolynomialIsZeroEpsTest()
{
Polynomial P1 = new Polynomial(3, new double[] { 1, 2, 3, 4 });
Assert.IsTrue(P1.isZero(4));
Assert.IsFalse(P1.isZero(3));
}