public void InverseCumulativeFunctionTest()
{
double a;
var target = new ChiSquareDistribution();
a = target.InverseDistributionFunction(0);
Assert.AreEqual(0.0, a, 1e-5);
Assert.IsFalse(double.IsNaN(a));
a = target.InverseDistributionFunction(1);
Assert.AreEqual(double.PositiveInfinity, a, 1e-5);
Assert.IsFalse(double.IsNaN(a));
}