Function henon

Main.cpp:90–95

  y = z.imag();
}
void henon(double& x, double& y, double cx, double cy) {
  double nx = 1.0 - cx*x*x + y;
  double ny = cy*x;
  x = nx;
  y = ny;
}
void duffing(double& x, double& y, double cx, double cy) {
  double nx = y;
  double ny = -cy*x + cx*y - y*y*y;