public void TestAtanh()
{
double d = 0;
d = MathX.Atanh(0);
AssertEquals("atanh 0", d, 0);
d = MathX.Atanh(1);
AssertEquals("atanh 1 ", Double.PositiveInfinity, d);
d = MathX.Atanh(-1);
AssertEquals("atanh -1 ", Double.NegativeInfinity, d);
d = MathX.Atanh(-100);
AssertEquals("atanh -100 ", Double.NaN, d);
d = MathX.Atanh(100);
AssertEquals("atanh 100 ", Double.NaN, d);
d = MathX.Atanh(200000);
AssertEquals("atanh 200000", Double.NaN, d);
d = MathX.Atanh(-200000);
AssertEquals("atanh -200000 ", Double.NaN, d);
d = MathX.Atanh(0.1);
AssertEquals("atanh 0.1", 0.100335348, d);
d = MathX.Atanh(-0.1);
AssertEquals("atanh -0.1 ", -0.100335348, d);
}
public override double Evaluate(double d)
{
return(MathX.Atanh(d));
}