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 CanDetermineIfNaN()
{
var complex = new Complex(double.NaN, 1);
Assert.IsTrue(complex.IsNaN(), "Real part is NaN.");
complex = new Complex(1, double.NaN);
Assert.IsTrue(complex.IsNaN(), "Imaginary part is NaN.");
complex = new Complex(double.NaN, double.NaN);
Assert.IsTrue(complex.IsNaN(), "Both parts are NaN.");
}