public void can_divide_vector()
{
var actual = new Vector4D(3, -2, 8, 1.5);
var expected = new Vector4D(3.0 / 4.0, -2 / 4.0, 8 / 4.0, 1.5 / 4.0);
actual.Divide(4);
Assert.Equal(expected, actual);
}
public void Division()
{
double x = 23.4;
double y = -11.0;
double z = 7.0;
double w = 1.9;
double s = 13.3;
Vector4D v = new Vector4D(x, y, z, w);
Vector4D u = Vector4D.Divide(v, s);
Assert.IsTrue(Numeric.AreEqual(x / s, u.X));
Assert.IsTrue(Numeric.AreEqual(y / s, u.Y));
Assert.IsTrue(Numeric.AreEqual(z / s, u.Z));
Assert.IsTrue(Numeric.AreEqual(w / s, u.W));
}
public void DivisionVector()
{
double x1 = 23.4;
double y1 = -11.0;
double z1 = 6.0;
double w1 = 0.2;
double x2 = 34.0;
double y2 = 1.2;
double z2 = -6.0;
double w2 = -0.2;
Vector4D v = new Vector4D(x1, y1, z1, w1);
Vector4D w = new Vector4D(x2, y2, z2, w2);
Assert.AreEqual(new Vector4D(x1 / x2, y1 / y2, z1 / z2, w1 / w2), Vector4D.Divide(v, w));
}
public void Divide()
{
Vector4D v1 = new Vector4D(10.0, 20.0, 30.0, 40.0);
Vector4D v2 = v1 / 5.0;
Assert.AreEqual(2.0, v2.X, 1e-14);
Assert.AreEqual(4.0, v2.Y, 1e-14);
Assert.AreEqual(6.0, v2.Z, 1e-14);
Assert.AreEqual(8.0, v2.W, 1e-14);
Vector4D v3 = v1.Divide(5.0);
Assert.AreEqual(2.0, v3.X, 1e-14);
Assert.AreEqual(4.0, v3.Y, 1e-14);
Assert.AreEqual(6.0, v3.Z, 1e-14);
Assert.AreEqual(8.0, v3.W, 1e-14);
}