Example Wallpaper with Pseudocode
The example shown here is the same as the Appendix D example.

Example Wallpaper

for (int i = 0; i ≤ 800; i++)
{
	for (int j = 0; j ≤ 800; j++)
	{
		x = 0.0;
		y = 0.0;
		xs = -4.0 + i / 100.0;
		ys = -4.0 + j / 100.0;
		k = 0;
		do
		{
			k++;
			xnew =  x*y*y+cos(xs)-sin(ys);
			ynew = -y*x*x-cos(xs)-sin(ys);
			x = xnew;
			y = ynew;
		} while (x*x+y*y ≤ 16.0 && k ≤ kmax);
		PlotPixel(i, j, color);
	}
}