zASinVariation.cs

using System.Numerics;
 
namespace Waher.Script.Fractals.IFS.Variations.ComplexVariations
{   
    public class ZASinVariation : FlameVariationZeroParameters
    {
        public ZASinVariation(int Start, int Length, Expression Expression)
            : base(Start, Length, Expression)
        {
        }
 
        public override void Operate(ref double x, ref double y)
        {
            Complex z = new Complex(x, y);
            z = -Complex.Log(z * Complex.ImaginaryOne + Complex.Sqrt(1 - z * z)) * Complex.ImaginaryOne;
 
            x = z.Real;
            y = z.Imaginary;
        }
 
        public override string FunctionName => nameof(ZASinVariation);
    }
}