🚀 go-pugleaf

In article <1992Nov11.182309.8811@mnemosyne.cs.du.edu> mccasal@nyx.cs.du.edu (Massimo Casal) writes:
>when must i stop the iteration when i calculate the julia set of c*e^z?
>when the real part is > value?or when the modulus is >value?

The stopping limit for c*e^z is problematic, since an extremely large value
of z can get mapped back to something small.  The second problem is that
your floating point can overflow very quickly.  The usual stopping point is
real part > large value (note: not abs(real part)), since this implies the next
iteration will be extremely large.  The disadvantage is that you will stop
for some large values where you shouldn't.  The visual appearance is that
the many thin petals will suddenly clump together into one thick petal, when
they should remain as thin petals.

Ken Shirriff				shirriff@sprite.Berkeley.EDU