public void TestThrowsErrorIfFunctionAtArgumentsHaveSameSign()
{
Assert.Throws(typeof(ArgumentException), () => RootFinder.solve(x => x * x - 1, -10, -5, 1e-10));
Assert.Throws(typeof(ArgumentException), () => RootFinder.solve(x => x * x - 1, 10, 5, 1e-10));
Assert.Throws(typeof(ArgumentException), () => RootFinder.solve(x => x * x - 1, -0.5, 0.5, 1e-10));
}
public void TestLinearNoAOrB()
{
Assert.AreEqual(0.5, RootFinder.solve(x => x * 2 - 1, tol: 1e-10), 1e-10);
}
public void TestDefaultTol()
{
Assert.AreEqual(1, RootFinder.solve(x => x * x * x - 1, 0, 10), 1e-10);
}
public void TestLinear()
{
Assert.AreEqual(0.5, RootFinder.solve(x => x * 2 - 1, -10, 10, 1e-10), 1e-10);
}
public void TestQuadartic()
{
Assert.AreEqual(1, RootFinder.solve(x => x * x - 1, 0.5, 10, 1e-10), 1e-10);
Assert.AreEqual(-1, RootFinder.solve(x => x * x - 1, -30, 0.5, 1e-10), 1e-10);
}
public double icdf(double p, double tol)
{
return(RootFinder.solve(x => cdf(x) - p, tol: tol));
}
