public static void AlmostEqual(Complex expected, Complex actual)
{
if (expected.IsNaN() && actual.IsNaN() || expected.IsInfinity() && expected.IsInfinity())
{
return;
}
if (!expected.Real.AlmostEqual(actual.Real))
{
Assert.Fail("Real components are not equal. Expected:{0}; Actual:{1}", expected.Real, actual.Real);
}
if (!expected.Imaginary.AlmostEqual(actual.Imaginary))
{
Assert.Fail("Imaginary components are not equal. Expected:{0}; Actual:{1}", expected.Imaginary, actual.Imaginary);
}
}
public void CanDetermineIfInfinity()
{
var complex = new Complex(double.PositiveInfinity, 1);
Assert.IsTrue(complex.IsInfinity(), "Real part is infinity.");
complex = new Complex(1, double.NegativeInfinity);
Assert.IsTrue(complex.IsInfinity(), "Imaginary part is infinity.");
complex = new Complex(double.NegativeInfinity, double.PositiveInfinity);
Assert.IsTrue(complex.IsInfinity(), "Both parts are infinity.");
}