| private Tanh_Basic ( double real, double imaginary ) : void | ||
| real | double | |
| imaginary | double | |
| return | void | |
public static void Tanh_Basic(double real, double imaginary)
{
// The product formula: cosh (x+iy) = sinh (x+iy) / cosh (x+iy)
// The verification formula: Tanh (z) = (Exp(2z) -1) / (Exp(2z)+1)
// The verification formula is used not for the boundary values
var complex = new Complex(real, imaginary);
Complex scale = 2 * complex;
Complex expected = (Complex.Exp(scale) - 1) / (Complex.Exp(scale) + 1);
Tanh_Advanced(real, imaginary, expected.Real, expected.Imaginary);
}